Background
Methods
Recruitment sites
Participants
Study design
Measures
Sociodemographic and clinical variables and antenatal risk factors for postnatal depression
Edinburgh Postnatal Depression Scale (EPDS)
Structured clinical interview for DSM-IV axis. I disorders (SCID-I)
Beck depression inventory (BDI)
Semi-structured interview to assess perinatal risk factors for postnatal depression
Statistical analysis
Results
Participants recruited
n (%) | |
---|---|
Educational level | |
Primary
| 29 (3.6%) |
Secondary
| 598 (74.3%) |
Tertiary
| 178 (22.1%) |
Marital status
| |
Single
| 26 (3.2%) |
Married
| 750 (93.2%) |
Cohabited
| 24 (3%) |
Divorced
| 5 (0.6%) |
Place of residence (district)
| |
Yuen Long
| 63 (7.8%) |
Tuen Mun
| 188 (23.4%) |
Tin Shui Wai
| 163 (20.2%) |
Others
| 391 (48.6%) |
Working status
| |
Working
| 389 (48.3%) |
Not-working
| 416 (51.7%) |
Mode of delivery
| |
Spontaneous
| 539 (67%) |
Assisted (vacuum/forceps)
| 85 (10.6%) |
Elective Caesarean section
| 102 (12.7%) |
Emergency Caesarean section
| 79 (9.8%) |
Feeding method
| |
Breastfeeding
| 141 (17.5%) |
Formula feeding
| 436 (54.2%) |
Mixed feeding (both breastfeeding and formula feeding)
| 228 (28.3%) |
Number of children including the newborn baby
| |
One
| 465 (57.8%) |
Two
| 257 (31.9%) |
Three
| 68 (8.4%) |
Four
| 9 (1.1%) |
Five
| 6 (0.7%) |
Peiyue support
| |
Yes
| 728 (90.4%) |
No
| 77 (9.6%) |
EPDS scores according to the categorization by Lee et al. | Mean EDPS scores (SD) for participants with postnatal depression (n = 126) | Mean EDPS scores (SD) for participants without postnatal depression (n = 679) |
---|---|---|
0-9
(nil or insignificant depressive symptoms)
| 5.93 (2.53) | 3.77 (2.80) |
10-14
(mild to moderate depressive symptoms)
| 12.08 (1.37) | 11.61 (1.42) |
> 14
(severe depressive symptoms)
| 17.78 (2.84) | 17.40 (2.13) |
Risk factors for postnatal depression
PND (n = 126) | Non-PND (n = 679) |
χ
2
| df | RR (95% CI) | p-value | |
---|---|---|---|---|---|---|
Past depression | ||||||
Yes
| 26 | 39 | 31.75 | 1 | 3.59 (2.27-5.68) | < 0.001 |
No
| 100 | 640 | ||||
Marital Relationship
| ||||||
Not Good
| 35 | 23 | 95.54 | 1 | 8.27 (5.06-13.50) | < 0.001 |
Good
| 91 | 656 | ||||
Peiyue support
| ||||||
No
| 22 | 55 | 10.76 | 1 | 2.16 (1.37-3.40) | 0.002 |
Yes
| 104 | 624 | ||||
Antenatal depressive symptomatology
| ||||||
Yes
| 68 | 94 | 106.45 | 1 | 3.90 (3.04-4.99) | < 0.001 |
No
| 58 | 585 | ||||
Relationship with mother-in-law
| ||||||
Not Good
| 67 | 92 | 105.28 | 1 | 3.93 (3.05-5.04) | < 0.001 |
Good
| 59 | 587 | ||||
Antenatal stressful life events
| ||||||
Yes
| 39 | 82 | 29.65 | 1 | 2.56 (1.84-3.57) | < 0.001 |
No
| 87 | 597 | ||||
Anxiety-prone personality
| ||||||
Yes
| 79 | 199 | 52.41 | 1 | 2.14 (1.79-2.56) | < 0.001 |
No
| 47 | 480 | ||||
Persistent wound pain
| ||||||
Yes
| 30 | 67 | 19.49 | 1 | 2.41 (1.64-3.55) | < 0.001 |
No
| 96 | 612 | ||||
Felt stress in child care
| ||||||
Yes
| 89 | 218 | 66.87 | 1 | 2.20 (1.88-2.57) | < 0.001 |
No
| 37 | 461 | ||||
Married
| ||||||
No
| 16 | 39 | 8.08 | 1 | 2.21 (1.28-3.83) | 0.006 |
Yes
| 110 | 640 |
PND (n = 126) Mean (s.d.) | Non-PND (n = 679) Mean (s.d.) | t | df | p-value | |
---|---|---|---|---|---|
Age
| 28.76 (4.85) | 30.32 (4.84) | -3.31 | 803 | 0.001 |
Risk factor | Unadjusted odds ratio (95% CI) | Adjusted odds ratio (95% CI) | p-value |
---|---|---|---|
Marital dissatisfaction
| 11.09 (6.27-19.62) | 6.44 (3.42-12.15) | < 0.001 |
Dissatisfied relationship with mother-in-law
| 7.25 (4.79-10.95) | 4.74 (2.97-7.57) | < 0.001 |
Antenatal depressive symptomatology
| 7.30 (4.83-11.02) | 4.09 (2.54-6.59) | < 0.001 |
Anxiety-prone
personality
| 4.05 (2.73-6.03) | 2.27 (1.42-3.65) | 0.001 |