Background
Methods
Study design and population
Data collection
Data analysis
Results
Participation
Characteristics of nursing homes and workers
Bivariate analysis with random effect | |||||
---|---|---|---|---|---|
Factors | Proportion of the personnel (%) | 95% CI | Vaccination coverage (%) | 95% CI |
p-value |
Institution type | |||||
Status of the establishment | 0.34 | ||||
Public establishment | 52.5 | [48.1–56.9] | 25.5 | [14.5–32.8] | |
Private establishment | 47.5 | [43.2–51.9] | 17.5 | [12.5–24.1] | |
Vaccination campaign | 0.93 | ||||
Working in an institution without campaign | 16.3 | [7.6–31.7] | 19.4 | [6.6–45.2] | |
Working in an institution with campaign | 83.6 | [68.3–92.4] | 20.3 | [15.4–26.2] |
Influenza vaccination coverage among workers
Predictors of influenza vaccine uptake
Socio-demographic, influenza risk factors, and vaccine history predictors
Bivariate analysis with random effect | Multivariate analysis with random effecta
| |||||||
---|---|---|---|---|---|---|---|---|
Characteristics | Proportion of the personnel (%) | 95% CI | Vaccination coverage (%) | 95% CI |
p-value | PR | 95% CI |
p-value |
Socio-demographics | ||||||||
Sex | 0.31 | |||||||
Male | 13.0 | [10.0–17.0] | 24.6 | [15.4–36.7] | ||||
Female | 87.0 | [83.2–90.0] | 19.5 | [14.5–25.7] | ||||
Mean age | 0.008 | |||||||
Age: 20–29 yrs | 17.8 | [14.2–22.2] | 7.0 | [3.6–13.0] | ref. | – | ||
Age: 30–39 yrs | 28.6 | [24.2–33.5] | 21.6 | [15.0–30.1] | 2.95 | [1.51–5.76] | 0.003 | |
Age: 40–49 yrs | 29.6 | [25.9–33.6] | 26.3 | [18.0–36.6] | 3.45 | [1.86–6.41] | <0.001 | |
Age: 50–59 yrs | 20.9 | [17.0–25.4] | 20.3 | [12.2–31.9] | 2.81 | [1.28–6.16] | 0.012 | |
Age: 60–69 yrs | 3.1 | [1.9–5.1] | 26.8 | [11.8–49.9] | 2.91 | [1.02–8.34] | 0.043 | |
Mean institution working length | 0.26 | |||||||
Working length: 0–5 yrs | 26.2 | [21.1–32.1] | 15.1 | [7.6–27.8] | ||||
Working length: 5–10 yrs | 31.6 | [26.6–37.2] | 15.8 | [8.3–27.8] | ||||
Working length: 10–15 yrs | 18.6 | [15.4–22.4] | 27.3 | [18.3–38.6] | ||||
Working length: 15–20 yrs | 14.6 | [11.1–19.0] | 21.8 | [13.4–33.5] | ||||
Working length: >20 yrs | 8.9 | [6.5–12.1] | 25.1 | [13.7–41.2] | ||||
Occupation classification | 0.004 | |||||||
Healthcare workers | 42.9 | [37.7–48.2] | 24.9 | [18.4–32.6] | ref. | – | ||
Administrative | 11.0 | [8.5–14.1] | 31.0 | [18.5–47.0] | 1.07 | [0.74–1.55] | 0.86 | |
Facilities and logistics | 35.7 | [31.0–40.6] | 13.1 | [8.3–20.2] | 0.53 | [0.36–0.77] | 0.003 | |
Other | 10.5 | [7.8–14.1] | 14.2 | [6.7–27.7] | 0.49 | [0.25–0.98] | 0.045 | |
Contacts with residents | ||||||||
Frequency of contacts with residents | 0.96 | |||||||
Rarely (<=1/day) | 15.6 | [12.2–20.6] | 20.4 | [11.1–34.5] | ||||
Several times/day (>1/day) | 84.1 | [79.4–87.8] | 20.1 | [15.3–25.9] | ||||
Influenza vaccine risk factors | ||||||||
Living with children <5 yrs | 23.0 | [18.9–27.7] | 21.7 | [14.0–32.1] | 0.9 | |||
Living with elderly person >65 yrs | 4.4 | [2.7–7.1] | 19.0 | [7.6–40.2] | 0.9 | |||
Living with someone with chronic illness | 8.3 | [6.0–11.3] | 30.6 | [18.4–46.4] | 0.033 | |||
Living with someone with influenza risk factor (total) | 31.6 | [27.3–36.3] | 25.2 | [17.5–34.9] | 0.09 | |||
Having a personal medical indication to vaccination | 9.5 | [7.3–12.5] | 26.5 | [14.9–42.6] | 0.33 | |||
Influenza history | ||||||||
Previous “severe” influenza infection | 39.1 | [35.8–42.5] | 27.7 | [19.8–37.3] | 0.003 | 1.48 | [1.01–2.17] | 0.045 |
Knowledge about influenza
Bivariate analysis with random effect | Multivariate analysis with random effecta
| |||||||
---|---|---|---|---|---|---|---|---|
Factors | Proportion of the personnel (%) | 95% CI | Vaccination coverage (%) | 95% CI |
p-value | PR | 95% IC |
p-value |
Knowledge to prevent influenza transmission | ||||||||
Number of prevention tools spontaneously mentioned | <0.001 | |||||||
0 prevention tool | 10.0 | [7.7–13.0] | 2.2 | [0.3–14.0] | ref. | – | ||
1 prevention tool | 26.9 | [23.0–31.3] | 15.1 | [9.0–24.1] | 6.48 | [1.18–35.57] | 0.034 | |
2 prevention tools | 40.7 | [35.7–45.8] | 21.2 | [15.8–28.0] | 7.75 | [1.21–49.70] | 0.037 | |
3 prevention tools | 21.1 | [17.6–25.1] | 32.3 | [21.2–45.8] | 9.27 | [1.51–56.67] | 0.022 | |
4 prevention tools or more | 1.3 | [0.5–3.0] | 33.3 | [7.3–76.2] | 11.03 | [1.27–96.24] | 0.039 | |
Vaccination | 24.4 | [20.2–29.2] | 43.5 | [30.9–57.0] | <0.001 | |||
Hands washing | 75.0 | [70.5–79.1] | 21.5 | [16.1–28.1] | 0.20 | |||
Wearing mask / gloves | 49.5 | [43.6–55.5] | 22.2 | [16.1–29.8] | 0.27 | |||
Prevent the contacts | 27.6 | [22.1–33.9] | 20.7 | [14.0–29.4] | 0.86 | |||
Other tools spontaneously mentioned to prevent influenza transmission | ||||||||
Homeopathy | 9.2 | [6.0–13.9] | 9.4 | [3.4–23.5] | 0.06 | |||
Anti-viral therapy | 0.2 | [0.0–1.5] | 0.0 | 0.07 | ||||
Do not know | 4.4 | [2.6–7.4] | 19.7 | [14.2–26.7] | 0.06 | |||
Knowledge of the populations at risk | ||||||||
Number of population at risk spontaneously mentioned | 0.15 | |||||||
2 populations cited or less | 69.7 | [64.3–74.7] | 18.2 | [13.3–24.4] | ||||
3 populations cited or more | 30.3 | [25.3–35.7] | 24.6 | [16.4–35.2] | ||||
Elderly person >65 yrs | 95.8 | [93.6–97.3] | 20.4 | [15.3–26.6] | 0.59 | |||
Infants and young children | 66.4 | [61.9–70.6] | 20.0 | [14.0–27.6] | 0.1 | |||
Person with chronic illness | 43.9 | [39.4–48.5] | 26.4 | [20.0–34.1] | <0.001 | |||
Pregnant women | 3.4 | [2.1–5.3] | 6.4 | [0.8–35.8] | 0.16 | |||
Overweight person | 0.0 | – | – | |||||
Do not know | 1.6 | [0.8–3.2] | 13.3 | [1.8–56.2] | 0.63 | |||
Knowledge of frequency of the vaccination | ||||||||
Knowledge of frequency of the vaccination | <0.001 | |||||||
Other or do not known | 26.1 | [21.5–31.3] | 4.8 | [2.3–9.7] | ||||
Every year | 73.9 | [68.7–78.5] | 25.5 | [19.1–33.2] | 4.27 | [1.96–9.31] | <0.001 | |
Information channels for vaccination | ||||||||
By the NHs | 76.3 | [69.4–82.1] | 20.8 | [15.5–27.4] | 0.52 | |||
By media | 67.5 | [62.5–72.2] | 19.8 | [14.0–27.3] | 0.81 | |||
By general practitioner | 11.4 | [8.9–14.5] | 33.7 | [21.1–49.2] | 0.005 | |||
By occupational practitioner | 5.7 | [3.6–9.1] | 36.8 | [22.2–54.3] | 0.009 | |||
Other | 12.4 | [9.3–16.3] | – | |||||
Sensitivity to information | ||||||||
Theses information’s influenced the choice | 13.7 | [10.3–18.0] | 56.6 | [41.0–71.0] | <0.001 | |||
Information seems sufficient | 78.4 | [72.7–83.1] | 21.1 | [15.8–27.6] | 0.32 | |||
Sensitive to posters | 39.7 | [34.4–45.2] | – | |||||
Sensitive to email, mail | 27.9 | [23.8–32.5] | – | |||||
Sensitive to meetings and formations | 52.9 | [47.6–58.0] | – | |||||
Sensitive to other information | 12.5 | [9.2–16.9] | – |
Information
Sensitivity to information | ||||||
---|---|---|---|---|---|---|
Factors | Sensitive to posters (%) | 95% CI | Sensitive to email, mail (%) | 95% CI | Sensitive to meetings and formations (%) | 95% CI |
Occupation classification | ||||||
Healthcare workers | 40.7 | [34.4–47.3] | 29.0 | [23.1–35.6] | 51.9 | [44.4–59.3] |
Administrative | 53.7 | [41.0–66.0] | 29.0 | [17.7–43.6] | 36.6 | [21.9–54.3] |
Facilities and logistics | 36.8 | [29.7–44.6] | 29.5 | [23.6–36.2] | 55.1 | [46.5–63.5] |
Perceived benefits of influenza vaccination
Factors | Proportion of the personnel (%) | 95% CI | Vaccination coverage (%) | 95% CI |
---|---|---|---|---|
Perceived benefits of vaccination | ||||
Getting the vaccine will prevent me from getting influenza | 52.9 | [47.9–57.8] | 32.4 | [24.8–41.1] |
When you are vaccinated, you protect your entourage | 68.4 | [62.6–73.7] | 26.3 | [20.1–33.6] |
When you are vaccinated, you protect the institution’s residents | 73.7 | [68.2–78.6] | 25.9 | [19.6–33.2] |
Perceived barriers to accepting vaccination | ||||
Getting the vaccine is expensive | 17.1 | [13.3–21.7] | 8.9 | [4.2–17.8] |
The flu vaccine is ineffective | 33.4 | [28.5–38.7] | 7.1 | [4.3–11.4] |
Avoid the flu vaccine because it causes serious side effects | 26.9 | [23.4–30.6] | 4.8 | [2.3–9.7] |
The seasonal flu vaccine is not recommended by my doctor | 6.1 | [4.3–8.5] | 3.7 | [0.5–22.4] |
Getting vaccinated is taking too long | 0.4 | [0.1–1.5] | 0.0 | |
The promotion of the vaccine is only linked to financial interests | 24.1 | [20.1–28.5] | 4.3 | [1.8–9.7] |