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Erschienen in: Human Resources for Health 1/2019

Open Access 01.12.2019 | Research

Psychological wellbeing in a resource-limited work environment: examining levels and determinants among health workers in rural Malawi

verfasst von: Julia Lohmann, Olzhas Shulenbayev, Danielle Wilhelm, Adamson S. Muula, Manuela De Allegri

Erschienen in: Human Resources for Health | Ausgabe 1/2019

Abstract

Background

A competent, responsive, and productive health workforce is central to a well-performing health system capable of providing universal access to high-quality care. Ensuring health workers’ psychological wellbeing is critical to sustaining their availability and productivity. This is particularly true in heavily constrained health systems in low- and lower-middle-income countries. Research on the issue, however, is scarce. This study aimed to contribute to filling the gap in knowledge by investigating levels of and factors associated with psychological wellbeing of mid-level health workers in Malawi.

Methods

The study relied on a cross-sectional sample of 174 health workers from 33 primary- and secondary-level health facilities in four districts of Malawi. Psychological wellbeing was measured using the WHO-5 Wellbeing Index. Data were analyzed using linear and logistic regression models.

Results

Twenty-five percent of respondents had WHO-5 scores indicative of poor psychological wellbeing. Analyses of factors related to psychological wellbeing showed no association with sex, cadre, having dependents, supervision, perceived coworker support, satisfaction with the physical work environment, satisfaction with remuneration, and motivation; a positive association with respondents’ satisfaction with interpersonal relationships at work; and a negative association with having received professional training recently. Results were inconclusive in regard to personal relationship status, seniority and responsibility at the health facility, clinical knowledge, perceived competence, perceived supervisor support, satisfaction with job demands, health facility level, data collection year, and exposure to performance-based financing.

Conclusions

The high proportion of health workers with poor wellbeing scores is concerning in light of the general health workforce shortage in Malawi and strong links between wellbeing and work performance. While more research is needed to draw conclusions and provide recommendations as to how to enhance wellbeing, our results underline the importance of considering this as a key concern for human resources for health.
Hinweise

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Abkürzungen
DHMT
District Health Management Team
HIC
High-income country
HRH
Human resources for health
LLMIC
Low- and lower-middle-income country
PW
Psychological wellbeing
RBF4MNH
Results-based Financing for Maternal and Newborn Health
WHO
World Health Organization
WHO-5
WHO-5 Wellbeing Index

Background

A competent, responsive, and productive health workforce is one of the World Health Organization’s (WHO) six essential building blocks of a well-performing health system which is capable of providing access to high-quality care [1]. Adequate availability, distribution, qualification, resourcing, and motivation of health workers are key determinants of such a productive workforce. In addition, ensuring health workers’ physical health as well as psychological wellbeing is crucial to sustaining their availability and productivity over time [2]. The latter, which we define as a continuum from perfect wellbeing at one end to clinically relevant, severe mental illness incapacitating a person’s daily functioning at the other end, is particularly important considering that health workers have been identified as being at high risk of poor psychological wellbeing due to their specific work demands [3, 4].
In high-income countries (HIC) and at an international level, both the importance of keeping the workforce psychologically healthy and the related key role that enabling and supportive working conditions play in sustaining health have long been recognized [57]. Numerous studies on the psychological wellbeing of health workers corroborate the importance of the issue. For instance, a survey of over 60 000 nurses in 2006/2007 found burnout rates ranging from around 10% in the Netherlands and in Switzerland to between 20 and 40% in other European countries and in the United States of America, and up to 78% in Greece [8]. Across countries and clinical settings, similar occupational determinants of poor psychological wellbeing among health care personnel have been identified [9], including excessive workload, inter- and intra-professional conflict, adverse management styles and poor management support, lack of autonomy, shift work, and effort-reward unbalance. In terms of consequences, poor psychological wellbeing has been linked to low quality of care [8], patient safety issues [10], poor empathic ability [11], and absenteeism [12].
In low- and lower-middle-income countries (LLMIC), in contrast, occupational health and particularly psychological wellbeing of the health workforce are seldom present in both the applied discourse and the academic literature on human resources for health (HRH) [13]. Empirical research is particularly scarce for mid-level health workers (i.e., nurses, midwives, and other clinically trained but non-physician staff) working at the primary and secondary health care levels, i.e., the backbone of health service provision in most LLMIC. Only ten studies could be identified, eight of which from sub-Saharan Africa (Ghana, Kenya, Malawi, Uganda, Zambia, Zimbabwe) and two from Asia (Pakistan, Thailand) [1423]. These studies indicate that poor psychological wellbeing of health workers in LLMIC is an issue of concern. For instance, 68% of maternal health staff in one district hospital in Malawi [23] and 62% of health workers in two rural hospitals in Zambia [20] showed burnout symptoms. Three studies have looked at psychological wellbeing from a more holistic and continuous perspective. Studies in Uganda [19] and Zimbabwe [22] found relatively high levels of psychological wellbeing on average (around 80% of the maximum score), whereas wellbeing levels were around 50% of the maximum in Pakistan [14]. Four studies have investigated potential determinants of burnout, with mixed results in regard to age, seniority, gender, and work environment [14, 18, 19, 23]. Two studies have looked at the relationship between burnout and work outcomes, with higher burnout scores associated with stronger turnover intentions in Ghana [15] and with poorer self-reported quality of care in Thailand [21].
The small available body of evidence therefore underlines that poor psychological wellbeing of health workers is a substantial issue of concern and likely negatively associated with work outcomes, compromising patient care in already heavily constrained health systems. Existing evidence, however, is still very limited in geographic scope, with most studies conducted only in a few health facilities or health districts, and in its narrow focus on clinically relevant states of burnout as measured with either the Maslach Burnout Inventory or a two-item measure developed by Mbindyo and colleagues [17], both of which are not validated in the settings. There is a particular lack of studies investigating factors associated with psychological wellbeing beyond basic demographic characteristics.
Beyond a few common work stressors that may apply to health workers worldwide (e.g., high workload, irregular hours, constant confrontation with human suffering, effort-reward imbalance), fundamental differences in work realities between HIC and LLMIC [24] likely limit the transferability of evidence generated in high-income settings. More LLMIC-specific research is therefore urgently needed to sensitize decision-makers to the issue and to inform the development of preventive and mitigating strategies. This study aims to contribute to filling this gap in knowledge by providing evidence of levels of psychological wellbeing and factors associated with it among mid-level cadres in rural Malawi.

Conceptual framework

The study conceptualizes psychological wellbeing, abbreviated as PW in the following, in alignment with WHO’s definition of mental health as “a state of wellbeing in which every individual realizes his or her own potential, can cope with the normal stresses of life, can work productively and fruitfully, and is able to make a contribution to her or his community” [25]. Specifically, PW is conceptualized along a spectrum that ranges from perfect wellbeing at one end to clinically relevant, severe mental illness incapacitating a person’s daily functioning at the other end, rather than as just the absence of psychopathological symptoms of a severity requiring treatment. We make this explicit distinction as from an applied HRH perspective, any suboptimal state of wellbeing possibly associated with reduced work performance is of interest, including but not limited to clinical states of mental illness.
In line with the most commonly used taxonomy of determinants and consequences of occupational burnout [26] and based on the reviewed literature, the study further conceptualizes psychological wellbeing as embedded within a complex system of determinants and consequences at the individual, organizational, and broader systemic level (Fig. 1). At the individual level, it is assumed that in addition to demographic characteristics, diverse tangible individual-level work factors (e.g., cadre, training and knowledge, supervision) and intangible perceptions and experiences at work (e.g., satisfaction, motivation) directly affect health workers’ psychological wellbeing. These individual-level factors are assumed to be influenced by the organizational environment, including the physical work environment (e.g., availability of drugs, material, function equipment, adequate infrastructure), human resource availability and workload, the interpersonal work environment (e.g., service organization, team work), and managerial factors (e.g., leadership styles, managerial autonomy). The organizational environment, in turn, is assumed to be influenced by broader characteristics of the health system and the cultural, economic, and social context.
This study focuses on work-related individual-level factors associated with PW, specifically on factors potentially relevant to intervention design (e.g., key demographic characteristics) and on factors which can potentially be addressed by the health system (e.g., knowledge, satisfaction). The study explicitly does not address many work-unrelated factors associated with PW (e.g., personality), which, albeit important, are difficult to address through a health system intervention.

Methods

Context

The study took place in four rural health districts in Central and Southern Malawi, Balaka, Dedza, Ntcheu, and Mchinji. Despite substantial progress on various health indicators in recent years, the country continues to face a high mortality and morbidity burden due to communicable, non-communicable, and maternity-related conditions [27]. The Malawian health system is a predominantly public, government-funded three-tier system providing essential healthcare services to patients free of charge [28]. Health care service utilization is high [27], but provision of quality care is challenged by high workload levels due to severe health worker shortages, challenges in management and supervision, frequent stock-outs of drugs and other essential supplies, and other structural challenges [2830]. Health workers are further frustrated with low salary levels and delays in payment thereof, limited and non-transparent career development opportunities, and lack of recognition of effort and good performance, as well as a variety of other factors [30, 31]. Despite working in difficult environments, Malawian health workers have expressed high levels of intrinsic motivation, pride in their work, and feelings of duty and of importance of their job in previous research [30, 32, 33].

Study design and sample

The study used data collected within the context of the impact evaluation of the Results-based Financing for Maternal and Newborn Care (RBF4MNH) Initiative, implemented in the country between 2013 and 2018. The impact evaluation covered 28 primary-level and five secondary-level health facilities providing emergency obstetric care across the four study districts (eight or nine facilities per district). The selection of intervention and comparison health facilities is described in detail elsewhere [34]. Data was collected from all 33 facilities just before (March/April 2013) and approximately 2 years (June/July 2015) after the start of RBF4MNH. For the purpose of this study, we pooled the 2013 and 2015 data. The role of RBF4MNH is not the focus in this study, but we controlled for time of data collection and RBF4MNH exposure (i.e., working in an RBF4MNH facility) in all analyses.
At health worker level, in all 33 study facilities, a repeated cross-sectional survey was performed in 2013 and 2015. Data were collected using a structured survey, administered face-to-face by trained interviewers with the support of tablet computers, in English which is the working language in Malawi.
All health workers providing maternal health care services (i.e., clinical officers, medical assistants, registered/enrolled nurse/midwives, nurse-midwife technicians) who had worked at the health facility for at least 3 months and who were available at the time of data collection were sampled. In total, 174 health workers were interviewed, 74 in 2013 and 100 at 2015. Due to frequent turnover of staff in the Malawian setting and the rotational nature of service organization, only 10% of health workers were interviewed both in 2013 and 2015. Table 1 provides an overview over the sample and key demographic characteristics.
Table 1
Sample characteristics
 
Number
Percentage
Total
174
100
Sex
 Female
106
60.9
 Male
68
39.1
Health worker type
 Clinical officer/medical assistant
31
17.8
 Nurse
143
82.2
Health facility in-charge
 Yes
23
13.2
 No
151
86.8
Level of care
 Primary
109
62.6
 Secondary
65
37.4
Data collection year
 2013
74
42.5
 2015
100
575
RBF4MNH exposure (i.e., working in an intervention facility)
 Yes
74
42.5
 No
100
57.5
 
mean
sd
Years at current health facility
4.3
5.6
Years in health care service
10.3
12.1

Variables and their measurement

Outcome variable

Psychological wellbeing of health workers was measured using the WHO-5 Wellbeing Index (abbreviated as “WHO-5” in the following), a short, disease-unspecific, and non-invasive self-rating scale [35, 36] (see Table 2). The WHO-5 has been translated into over 30 languages and used vastly in a wide range of fields of application, although with health workers in a LLMIC only in the study in Zimbabwe mentioned earlier, where it was not validated [22]. Despite this lack of context-specific validation studies, we have no reason for serious doubts in its cross-cultural validity due to the straightforward language and item wording which does not appear to be particularly sensitive to cultural norms [36]. Both Cronbach’s α (.72) and factor analysis results (Loevinger H = .380, p = 0.000) support the notion that the WHO-5 items measure a unidimensional wellbeing factor.
Table 2
WHO-5 Wellbeing Index [35]
Please indicate for each of the five statements which is closest to how you have been feeling over the last 2 weeks.
Over the past 2 weeks…
Most of the time
More than half of the time
Less than half of the time
Never
… I have felt cheerful and in good spirits
3
2
1
0
… I have felt calm and relaxed
3
2
1
0
… I have felt active and vigorous
3
2
1
0
… I woke up feeling fresh and rested
3
2
1
0
… my daily life has been filled with things that interest me
3
2
1
0
Scoring: The raw score is calculated by summing the points associated with the answers to the five statements. The raw score therefore ranges from 0 to 15, 0 representing the worst possible and 15 the best possible wellbeing. For the analyses, the raw score was linear transformed to decimal values between 0 and 1, corresponding to percentage of maximum score
A number of studies primarily in high-income settings have further shown the usefulness, validity, and sensitivity of the WHO-5 as a screening tool for mental illness. Based on this research, WHO-5 scores below 50% of the maximum score (i.e., below 8 on the 0–15 range) are considered indicative of potentially clinically relevant mental health problems. If the WHO-5 is used as a mental health screening tool, it is recommended that individuals scoring below this threshold undergo more intensive testing for mental illness [36]. We are not aware of any studies investigating the validity of this threshold in LLMIC generally or in sub-Saharan Africa more specifically.
We used the WHO-5 both in continuous form—to reflect our main conceptualization of PW as a continuum—and in dichotomized form along the 50% threshold to determine the proportion of the sample with WHO-5 scores indicative of potentially clinically relevant poor PW. To address the issue of lack of context-specific validation of the 50% threshold, we performed additional sensitivity analyses moving the threshold to (approximately) 40% (below 6 on the 0–15 range) and 60% (below 10).

Explanatory variables

Table 3 provides an overview of potential individual-level characteristics associated with PW, as well as details on measurement for non-standard variables. The choice of variables resulted from joint consideration of the conceptual framework presented in the introduction, and availability of respective variables in the questionnaire.
Table 3
Explanatory variables and their measurement
Variable
Measurement
Distribution
Basic demographic and other characteristics
 Sex (male, female)
See Table 1
 Number of years in health care service
 Responsibility as health facility in-charge (yes, no)
 Cadre (clinical officer/medical assistant, nurse)
 Level of care (primary, secondary)
 Data collection year (2013, 2015)
 Exposure to the RBF4MNH Initiative (yes, no)
 Relationship
Yes
No
44.8%
55.2%
 Children and other dependents
Yes
No
77.0%
23.0%
Clinical competence
 Any professional training within the last year
Yes
No
57.5%
42.5%
 Clinical knowledge
Clinical case vignettes pertaining to maternal care; see for details [37]
Mean
sd
0.59
0.24
 Perceived competence*
“I am self-assured about my capabilities to perform my work activities.”
Mean
sd
0.86
0.12
Organizational support
 Any supervision within the last month
Yes
No
58.1%
41.9%
 Perceived supervisor support*
4 Likert items, e.g., “My supervisor takes pride in my accomplishments at work.”
Mean
sd
0.64
0.18
 Perceived co-worker support & team work*
8 Likert items, e.g., “The people I work with encourage each other to work together.”
Mean
sd
0.75
0.14
Satisfaction with working conditions
 Satisfaction with physical work environment*
“How satisfied are you with …” 1) availability of medicine, 2) availability and condition of equipment, 3) availability of other supplies, 4) infrastructure
Mean
sd
0.48
0.29
 Satisfaction with remuneration*
“How satisfied are you with …” 1) salary, 2) benefits (incl. housing, allowances, bonuses)
Mean
sd
0.18
0.27
 Satisfaction with demands of the job*
“How satisfied are you with …” 1) variety and challenges at work, 2) demands of the job, 3) workload
Mean
sd
0.50
0.27
 Satisfaction with interpersonal relationships at work*
“How satisfied are you with your working relationship with …” 1) coworker, 2) district/MoH staff, 3) management staff, 4) traditional leaders, 5) community health workers, 6) community members
Mean
sd
0.72
0.17
Motivation
 Intrinsic motivation*
3 Likert items, e.g., “I work in this job because my work has become a fundamental part of who I am.”
Mean
sd
0.77
0.14
 Extrinsic motivation*
“I work in this job for the income it provides me.”
Mean
sd
0.50
0.29
Note: Responses to Likert items (marked *) were given on a scale from 1 (strongly disagree/unsatisfied) to 5 (strongly agree/very satisfied). For variables measured with more than one Likert item, the unweighted mean of responses to all items was calculated. At the analytical level, all variables measured with multiple items were rescaled to range from 0 (lowest level) to 1 (highest level) for ease of interpretation

Analysis

In a first step, we performed χ2 tests for subsample differences in PW on key variables. We then employed linear (continuous outcome) and logistic (dichotomous outcome) regression models with standard errors clustered at facility level to determine the strength of association of the individual-level factors in Table 3 with PW. Data were complete for the WHO-5. For the predictor variables, data were missing for less than 2% of the sample for all variables except age (3.5%) and were imputed using modes/means in the respective RBF4MNH impact evaluation study arm*data collection year subsample.

Results

Psychological wellbeing levels

Figure 2 shows the distribution of health workers’ scores on the WHO-5. The vertical lines indicate the 40%, 50%, and 60% thresholds, respectively. Scores below the 50% threshold are considered as indicators of clinically relevant mental health problems as explained above. In our sample, 25% of respondents scored below this threshold, 4% even below 25% of the maximum WHO-5 score. Twelve percent of respondents scored below 40% of the maximum, and 44% below the 60%. On the continuous WHO-5, respondents’ average score was at 64% of the maximum (sd = 22%).
Table 4 shows that there were substantial differences in PW by data collection year for the 50% and 40% thresholds, in that the proportion of health workers with poor PW levels was substantially lower in 2015 than in 2013, and by responsibility at the health facility for the 60% threshold, in that health facility in-charges indicated poorer wellbeing. No significant differences were found for sex and cadre.
Table 4
Proportion of health workers with WHO-5 scores below the 50%, 40%, and 60% thresholds overall and by key demographic subgroups
 
Proportion of sample with poor wellbeing (50% threshold)
Proportion of sample with poor wellbeing (40% threshold)
Proportion of sample with poor wellbeing (60% threshold)
Total
25.3%
11.5%
43.7%
Sex
 Female
23.6%
12.3%
41.5%
 Male
27.9%
10.3%
47.1%
Health facility in-charge
 Yes
34.8%
13.0%
65.2%*
 No
23.8%
11.3%
40.4%*
Health worker type
 Clinical officer/medical assistant
32.3%
9.7%
58.1%
 Nurse
23.8%
11.9%
40.6%
Data collection year
 2013
35.1%*
18.9%*
48.7%
 2015
18.0%*
6.0%*
40.4%
*Difference is statistically significant

Factors associated with psychological wellbeing

Table 5 shows the results of the multivariate analysis to determine factors associated with PW. The first column gives results using the WHO-5 continuous score, representing a conceptualization of PW along a continuum from low to high. The other columns show results using the WHO-5 dichotomized score according to the 50% threshold recommended by WHO as well as the alternative 40% and 60% thresholds, representing a more clinical conceptualization of good versus poor PW, the latter potentially requiring treatment. Overall, the multivariate models were able to explain between 20% and 36% in variance in PW, depending on the model used. In the following, we briefly summarize the results, using “statistically significant” to refer to coefficients for which the 95% confidence interval does not include zero.
Table 5
Factors associated with psychological wellbeing
 
Continuous WHO-5
(min 0, max 15)
Dichotomized WHO-5
(0 = poor, 1 = adequate wellbeing)
50%
40%
60%
Coef.
[95% CI]
Coef.
[95% CI]
Coef.
[95% CI]
Coef.
[95% CI]
Sex
(0 = female, 1 = male)
.02
[− .83, .88]
− .30
[− 1.11, .51]
− .37
[− 1.52, .78]
− .34
[− .94, .27]
Years in service
.00
[− .04, .05]
− .01
[− .05, .03]
− .06
[− .11, − .01]
− .03
[− .06, .01]
Health facility in-charge
(0 = no, 1 = yes)
− 1.12
[− 2.68, .44]
− .69
[− 2.32, .95]
− 1.22
[− 4.48, 2.03]
− 1.32
[− 2.41, − .23]
Cadre (0 = clinical officer/medical assistant, 1 = nurse)
− .05
[− 1.65, 1.56]
− .32
[− 2.16, 1.52]
− 1.42
[− 4.88, 2.05]
− .42
[− 1.71, .87]
Relationship status
(0 = not in relationship, 1 = in rel.)
− .49
[− 1.21, .24]
− .70
[− 1.22, − .18]
− .71
[− 1.97, .54]
− .24
[− .76, .29]
Children/other dependents (0 = none, 1 = one or more)
− .08
[− 1.39, 1.24]
.19
[− .85, 1.24]
.91
[− 1.38, 3.20]
.39
[− .42, 1.21]
Any prof. training in last year (0 = no, 1 = yes)
− .94
[− 1.71, − .17]
− .43
[− 1.29, .43]
− .56
[− 1.91, .81]
− .73
[− 1.39, − .08]
Clinical knowledge
− 1.23
[− 3.74, 1.28]
− 1.26
[− 3.43, .91]
− 2.35
[− 4.29, − .40]
− .11
[− 1.83, 1.61]
Perceived competence
3.58
[− .22, 7.38]
4.13
[− .44, 8.70]
1.12
[− 2.64, 4.88]
3.47
[1.95, 6.74]
Supervision in last month
(0 = no, 1 = yes)
.50
[− .54, 1.54]
.29
[− .56, 1.14]
− .27
[− 1.32, .78]
.47
[− .22, 1.16]
Perceived supervisor support
.05
[− 2.85, 2.94]
1.70
[− .83, 4.23]
3.20
[.08, 6.32]
− .34
[− 2.72, 2.04]
Perceived co-worker support & team work
− .67
[− 4.46, 3.11]
− .02
[− 2.58, 2.53]
− .80
[− 6.05, 4.45]
.72
[− 2.20, 3.64]
Satisfaction with physical work environment
1.24
[− 1.21, 3.68]
.52
[− 1.79, 2.83]
− 1.59
[− 4.20, 1.01]
1.28
[− .36, 2.92]
Satisfaction with remuneration
− .67
[− 2.83, 1.48]
− .29
[− 2.08, 1.49]
.28
[− 4.25, 4.82]
− .45
[− 2.08, 1.18]
Satisfaction with job demands
1.70
[− .34, 3.74]
1.24
[− .62, 3.10]
1.57
[− .78, 3.93]
2.19
[.79, 3.59]
Satisfaction with interpersonal relationships at work
5.11
[1.89, 8.33]
2.03
[− .48, 4.55]
7.07
[3.01, 11.13]
2.42
[.06, 4.78]
Intrinsic motivation
1.51
[− 2.00, 5.02]
− .30
[− 3.62, 3.04]
.01
[− 6.02, 6.04]
1.24
[− .97, 3.44]
Extrinsic motivation
.06
[− 1.26, 1.37]
.30
[− 1.03, 1.63]
.46
[− 1.23, 2.14]
− .52
[− 1.54, .50]
Health facility level (0 = primary, 1 = secondary)
1.34
[.08, 2.60]
.40
[− .85, 1.65]
1.27
[− .07, 2.61]
.78
[− .27, 1.82]
Data collection year
(0 = 2013, 1 = 2015)
.41
[− .40, 1.21]
.84
[− .23, 1.90]
8.89
[7.76, 10.03]
− .12
[− .61, .37]
RBF4MNH exposure
(0 = no, 1 = yes)
− 1.03
[− 2.49, .43]
− 1.53
[− 3.40, .35]
− 16.65
[− 18.9, − 14.4]
− .08
[− .96, .80]
Model statistics
F = 34.3
p = .000
R2 = .28
Wald χ2 = 110
p = .000
Pseudo R2 = .22
Wald χ2 = 749
p = .000
Pseudo R2 = .36
Wald χ2 = 113
p = .000
Pseudo R2 = .20

Basic characteristics

Sex and whether the health worker had dependents to care for were not significantly associated with PW. Cadre was also not significantly associated with PW, but coefficients pointed in the direction of clinical officers experiencing higher PW than other health workers in all models. Health facility in-charges tended to have lower PW than health workers without management responsibility, although statistically significant only when using the WHO-5 dichotomized at the 60% threshold. Health workers who had been in service for longer tended to indicate lower PW, although statistically significant only when using the WHO-5 dichotomized at the 40% threshold. Finally, health workers in a relationship reported lower PW, although statistically significant only when dichotomizing the WHO-5 at the 50% threshold.

Clinical competence

Respondents having received training in the last year reported lower PW, although statistically significant so only when using the WHO-5 continuously or dichotomized at the 60% threshold. Respondents with higher levels of perceived own competence tended to report higher PW, although statistically significant only when using the WHO-5 dichotomized at the 60% threshold. Respondents with higher general clinical knowledge tended to report lower PW (statistically significant only for the WHO-5 dichotomized at the 40% threshold).

Organizational support

Organizational support factors were not significantly associated with PW when controlling for other factors, and there were no consistent patterns in (non-significant) coefficients either. This is with the exception of perceived supervisor support, which was positively related to PW when using the WHO-5 dichotomized at the 40% threshold.

Job satisfaction

Health workers with higher satisfaction with interpersonal relationships at work reported higher PW, statistically significant for all but the 50% threshold. Higher satisfaction with the demands of the job was also associated with higher PW, although statistically significant only when using the WHO-5 dichotomized at the 60% threshold. Satisfaction with the physical work environment and with remuneration, in contrast, were not associated with PW.

Motivation

Neither intrinsic nor extrinsic motivation was significantly related to PW.

RBF4MNH exposure

We found no association of RBF4MNH exposure with PW, except when dichotomizing the WHO-5 at the 40% threshold, in that respondents who had experienced RBF4MNH were more likely to be in the poor PW category.

Year of data collection

As indicated by the bivariate analyses, the multivariate analyses suggest that the proportion of health workers with poor PW levels was lower in 2015 as opposed to 2013, but this was statistically significant only when dichotomizing the WHO-5 along the 40% threshold.

Level of care

Finally, health workers working in secondary-level hospitals as opposed to primary-level health centers tended to have higher PW, but statistically significantly so only when using the continuous WHO-5.

Discussion

In line with the minimal prior research on health workers’ psychological wellbeing reviewed in the introduction, our study shows concerning levels of poor PW. Approximately 25% of the study sample scored below 50% of the maximum score, below which WHO recommends more in-depth mental health screening [35, 36]. Approximately half of the participants had scores not deemed of clinical concern according to the WHO recommendation, but which were still far below maximum wellbeing scores. Only about one quarter of respondents indicated high wellbeing levels. Unfortunately, we were unable to assess consequences of poor and suboptimal PW in our study. However, beyond the obvious concern for individual health, the available HIC literature shows strong links between low PW and substandard work performance [8, 1012], underlining the importance of the issue from a health system perspective.
Our study is one of the first to measure psychological wellbeing in a low-income country setting. An important limitation is that to our knowledge, there are no validation studies of the WHO-5 in Malawi or in other LLMIC to date. While we have little reason to doubt the WHO-5’s validity and usefulness when used as a continuous variable as explained in the “Methods” section, we cannot be certain that the measurements fully reflect health workers’ psychological wellbeing levels. Most importantly, it is unclear whether the threshold indicated by WHO to differentiate healthy from non-healthy states is valid for health workers in LLMIC. In our study, lowering the threshold from 50 to 40% of the maximum WHO-5 score resulted in a halving of the proportion of respondents classified as of poor PW, while lifting it to 60% resulted in almost a doubling of the proportion. This indicates an imperative need for validation research, linking the WHO-5 to other mental health measures and tangible outcome criteria. At the same time, even when lowering the threshold substantially, the remaining proportion of the sample classified as of poor wellbeing is fairly substantive and highly relevant from a health systems perspective.
In this context, it is also important to consider that the sample is not fully representative of the health worker population. Rather, only health workers present at the workplace were interviewed, thereby possibly excluding health workers unable to report to work due to particularly poor psychological wellbeing. Estimates of psychological wellbeing in our study, therefore, are likely positively biased. Further, the study only included health workers providing maternity care services, a particularly high-burden work environment characterized by high emergency load, and might not fully generalize to other health worker cadres. In future research, inclusion of both a broader spectrum of health workers as well as representative samples including also such health workers which are not readily available at the workplace would be of immense value.
A comparison of our finding to those of the two previous studies conducted in Malawi is difficult as the latter measured specifically burnout, characterized by emotional exhaustion, depersonalization, and reduced personal accomplishment, rather than generalized psychological wellbeing as we did. In 2009, in a sample comparable to ours, McAuliffe et al. [18] found high levels of burnout among 5–31% (depending on symptom) of respondents. Assuming that the WHO-5 measures a construct somewhat related to burnout, our findings indicate a similar situation five to seven years later. In contrast, Thorsen et al. [23], also in 2009, found much higher burnout levels (68%) among maternal care staff, which might however be explained by their study being limited to only one district hospital.
A direct comparison of our findings with PW among health workers in other LLMIC is also difficult due to differing measures. To our knowledge, the only study having also used the WHO-5 was conducted in Zimbabwe [22]. Average sample scores ranged from 80 to 88% of the maximum, depending on the data collection time point and subsample, and are therefore substantially higher than the average 64% of the maximum in our Malawi study.
Analyses of factors associated with wellbeing allow only few tangible conclusions as factors significantly associated with PW varied by how the WHO-5 was used (continuous vs. categorical; threshold). Coefficients carried the same sign across models for only about half of the included variables, but for the majority of variables reached statistical significance for none or only one out of the four models. Contrary to our expectations, coefficients for sex, cadre, having children or other dependents, supervision, perceived coworker support and team work, satisfaction with the physical work environment, satisfaction with remuneration, and intrinsic and extrinsic motivation were consistently not statistically significant. Only for two variables did we find somewhat consistent significant associations: First, satisfaction with interpersonal relationships at work was positively associated with PW in three out of four models, underlining the importance of social relationships evidenced in studies from other settings [38, 39]. Second, whether the respondent had received any professional training in the last year was negatively associated with PW. One possible explanation is that health workers having recently received training might be more aware of their suboptimal working conditions which make the provision of high-quality services very difficult, negatively weighing on their PW. Possible alternative explanations include poor training quality, or factors concurrently associated with PW and actively seeking out training, such as anxiety. This might be a valuable area for future exploration. Particularly with respect to potential interventions to improve health worker PW, our findings imply that strengthening health workers’ clinical skills alone might not be effective in a severely resource-limited setting where clinical skills cannot always be readily translated into practice.
Our study is limited in that it relies on cross-sectional data and is therefore unable to identify causal relationships, which should be kept in mind when interpreting the findings. Limited to four districts and a sample size of 174, the study is clearly not able to close the existing knowledge gap, but is rather intended as one contribution towards an evidence base in need of further expansion. Further, the study used data collected for a different primary purpose, and questionnaires did not include all variables potentially relevant to PW. Results show that the included variables explain only between 20 and 36% of variance in PW, indicating the importance of other work-related and non-work-related factors at the individual and higher organizational levels in determining psychological wellbeing. More comprehensive, focused research would therefore be highly desirable for a more comprehensive picture of determinants of wellbeing of health workers.
One final aspect to underline again is that findings regarding factors associated with PW differ somewhat depending on how the WHO-5 is used. Coefficients on key variables tend to be aligned in direction, but not necessarily in magnitude, and often emerge as significantly different from zero only in one or some analyses, but not in others. Beyond a need for further research to confirm emerging findings, this underlines the above-discussed need for validation research in order to be able to make fully meaningful and valuable use of the WHO-5 as a screening tool applicable in HRH practice.

Conclusion

The high proportion of health workers with poor wellbeing scores is concerning in light of strong links between wellbeing and work performance, particularly in a heavily constrained HRH situation such as in Malawi. While more research is needed to draw conclusions and provide detailed recommendations as to how to enhance wellbeing, our results underline the importance of including the issue in the human resources for health discourse and research agenda.

Acknowledgements

The authors would like to thank Stephan Brenner, Christabel Kambala, Jacob Mazalale, Jobiba Chinkhumba, and Alinafe Mwanza for their support with data collection.
Ethical approval was granted by the Ethics Committees of Heidelberg University’s Medical Faculty (protocol S-256/2012) and the University of Malawi’s College of Medicine (protocol P.02/13/1338). The Ministry of Health as well as district health managers approved the study; written informed consent was obtained from all concerned health workers before data collection.
Not applicable.

Competing interests

The authors declare that they have no competing interests.
Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://​creativecommons.​org/​licenses/​by/​4.​0/​), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://​creativecommons.​org/​publicdomain/​zero/​1.​0/​) applies to the data made available in this article, unless otherwise stated.

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Metadaten
Titel
Psychological wellbeing in a resource-limited work environment: examining levels and determinants among health workers in rural Malawi
verfasst von
Julia Lohmann
Olzhas Shulenbayev
Danielle Wilhelm
Adamson S. Muula
Manuela De Allegri
Publikationsdatum
01.12.2019
Verlag
BioMed Central
Erschienen in
Human Resources for Health / Ausgabe 1/2019
Elektronische ISSN: 1478-4491
DOI
https://doi.org/10.1186/s12960-019-0416-y

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