Background
Methods
Study design and participants
Measures
Outcomes
Exposure
Covariates
Statistical analysis
Results
Descriptive statistics
Mean or N | SD or % | Min | Max | |
---|---|---|---|---|
Demographic Characteristics (N = 823) | ||||
Maternal Age | 26.62 | 4.43 | 18 | 40 |
Maternal Education | ||||
None | 111 | 12.23 | ||
Primary (1–5) | 159 | 17.46 | ||
Middle (6–8) | 157 | 18.94 | ||
Secondary (9, 10) | 209 | 25.96 | ||
Higher Secondary (11, 12) | 84 | 10.92 | ||
Tertiary (> 12) | 103 | 14.50 | ||
Parity | ||||
First Pregnancy | 238 | 30.60 | ||
One or more children | 585 | 69.40 | ||
SES Quintiles | ||||
Lowest | 153 | 15.99 | ||
Lower Middle | 163 | 18.56 | ||
Middle | 171 | 21.13 | ||
Upper Middle | 165 | 21.64 | ||
Highest | 171 | 22.68 | ||
Mother-in-law | ||||
Yes | 557 | 68.56 | ||
People in Room | 2.37 | 1.73 | 0 | 23 |
MSPSS 3 month | 4.74 | 1.15 | 1 | 7 |
Chilla Characteristics (N = 729) | ||||
Chilla | ||||
Yes | 729 | 89.44 | ||
Duration | ||||
1–7 | 71 | 9.06 | ||
8–14 | 78 | 9.58 | ||
15–20 | 120 | 15.79 | ||
21–25 | 38 | 4.89 | ||
26–30 | 53 | 7.01 | ||
31–35 | 30 | 4.25 | ||
36–40 | 339 | 49.42 | ||
Chores | ||||
Yes | 620 | 85.30 | ||
Female Support | ||||
Yes | 686 | 94.66 | ||
Diet | ||||
Yes | 679 | 93.84 | ||
Satisfaction | ||||
Yes | 602 | 84.79 | ||
Depression Characteristics (N = 823) | ||||
SCID (Baseline) | 405 | 37.54 | ||
SCID (Six months) | 217 | 23.06 | ||
PHQ-9 (Baseline) | 8.73 | 6.68 | 0 | 27 |
PHQ-9 (6 months) | 4.70 | 5.44 | 0 | 27 |
Chilla participation
Chilla Participation | No Chilla Participation | Test of Difference | ||||
---|---|---|---|---|---|---|
N = 729 | N = 94 | T-Test | Chi-Squared | |||
Mean or N | SD or % | Mean or N | SD or % | |||
Demographic Characteristics | ||||||
Maternal Age | 26.68 | 4.38 | 26.19 | 4.79 | −1.00 | |
Maternal Education | 15.46** | |||||
None | 96 | 13.17 | 15 | 15.96 | ||
Primary (1–5) | 130 | 17.83 | 29 | 30.85 | ||
Middle (6–8) | 136 | 18.66 | 21 | 22.34 | ||
Secondary (9, 10) | 195 | 26.75 | 14 | 14.89 | ||
Higher Secondary (11, 12) | 76 | 10.43 | 8 | 8.51 | ||
Tertiary (> 12) | 96 | 13.17 | 7 | 7.45 | ||
Parity | 4.93* | |||||
First Pregnancy | 220 | 30.18 | 18 | 19.15 | ||
One or more children | 509 | 69.82 | 76 | 80.85 | ||
SES Quintiles | 17.61*** | |||||
Lowest | 125 | 17.15 | 28 | 29.79 | ||
Lower Middle | 138 | 18.93 | 25 | 26.60 | ||
Middle | 152 | 20.85 | 19 | 20.21 | ||
Upper Middle | 155 | 21.26 | 10 | 10.64 | ||
Highest | 159 | 21.81 | 12 | 12.77 | ||
Mother-in-law | 1.73 | |||||
Yes | 499 | 68.45 | 58 | 61.70 | ||
People in Room | 2.36 | 1.76 | 2.45 | 1.48 | 0.45 | |
MSPSS (Three months) | 4.57 | 1.27 | 3.82 | 1.39 | −5.31*** | |
Depression Characteristics | ||||||
SCID (Baseline) | 350 | 48.01 | 55 | 58.51 | 3.67 | |
PHQ-9 (Baseline) | 8.56 | 6.62 | 10.05 | 6.96 | 2.04* |
Symptom severity and MDE diagnosis
Model A: Full Sample - Unadjusted | Model B: Full Sample - MSPSS Excluded | Model C: Full Sample - Adjusted | Model D: Non-Depressed | Model E: Depressed | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
N = 823 | N = 823 | N = 823 | N = 418 | N = 405 | |||||||||||
Panel A: SCID+ | |||||||||||||||
OR | CI | OR | CI | OR | CI | OR | CI | OR | CI | ||||||
Chilla (yes) | 0.40 | 0.23 | 0.71 | 0.53* | 0.33 | 0.86 | 0.56 | 0.31 | 1.03 | 0.44* | 0.20 | 0.97 | 0.73 | 0.39 | 1.34 |
MSPSS | 0.72*** | 0.61 | 0.85 | 0.66** | 0.51 | 0.86 | 0.78* | 0.65 | 0.93 | ||||||
SCID (Baseline) | 2.47*** | 1.75 | 3.49 | 2.30*** | 1.62 | 3.26 | |||||||||
Maternal Age | 1.01 | 0.97 | 1.06 | 1.02 | 0.98 | 1.07 | 0.98 | 0.92 | 1.05 | 1.02 | 0.97 | 1.07 | |||
Maternal Education | 0.83** | 0.72 | 0.94 | 0.81** | 0.70 | 0.94 | 0.81* | 0.66 | 1.00 | 0.88 | 0.74 | 1.04 | |||
Parity | 1.20 | 0.78 | 1.84 | 1.11 | 0.64 | 1.92 | 1.37 | 0.71 | 2.64 | 1.22 | 0.68 | 2.18 | |||
SES | 0.88 | 0.76 | 1.02 | 0.91 | 0.75 | 1.11 | 1.01 | 0.79 | 1.28 | 0.84 | 0.70 | 1.01 | |||
Mother-in-law | 1.15 | 0.79 | 1.69 | 1.26 | 0.84 | 1.88 | 1.46 | 0.76 | 2.80 | 1.08 | 0.66 | 1.76 | |||
People in Room | 1.00 | 0.91 | 1.10 | 1.01 | 0.91 | 1.12 | 1.09 | 0.96 | 1.23 | 0.92 | 0.80 | 1.06 | |||
Study Arm | 0.85 | 0.59 | 1.23 | 0.89 | 0.60 | 1.33 | 0.94 | 0.54 | 1.61 | 0.85 | 0.56 | 1.29 | |||
Intercept | 0.63 | 0.36 | 1.12 | 0.42 | 0.12 | 1.44 | 1.32 | 0.23 | 7.63 | 3.93 | 0.40 | 38.44 | 2.84 | 0.51 | 15.86 |
Panel B: PHQ-9++ | |||||||||||||||
Coefficient | CI | Coefficient | CI | Coefficient | CI | Coefficient | CI | Coefficient | CI | ||||||
Chilla (yes) | −2.51 | −4.20 | −0.82 | −2.03*** | −3.10 | −0.96 | −1.54* | −2.94 | −0.14 | −0.66 | −1.98 | 0.67 | −2.05* | −3.81 | −0.49 |
MSPSS | −0.85*** | −1.16 | − 0.55 | − 0.65** | − 1.06 | − 0.24 | − 0.93*** | − 1.38 | − 0.46 | ||||||
PHQ-9 (Baseline) | 0.28*** | 0.22 | 0.33 | 0.25*** | 0.19 | 0.30 | 0.27*** | 0.17 | 0.36 | 0.21*** | 0.10 | 0.33 | |||
Maternal Age | 0.04 | −0.04 | 0.13 | 0.04 | − 0.04 | 0.12 | 0.02 | −0.08 | 0.12 | 0.04 | −0.09 | 0.19 | |||
Maternal Education | −0.34 | −0.60 | − 0.07 | −0.22 | − 0.49 | 0.05 | − 0.23 | − 0.51 | 0.06 | −0.37 | − 0.81 | 0.07 | |||
Parity | 0.09 | −0.76 | 0.93 | 0.12 | −0.55 | 0.78 | 0.21 | −0.68 | 1.10 | 0.20 | −1.34 | 1.00 | |||
SES | −0.11 | −0.40 | 0.19 | 0.01 | −0.36 | 0.37 | 0.11 | −0.23 | 0.45 | −0.12 | −0.60 | 0.35 | |||
Mother-in-law | 0.24 | −0.55 | 1.02 | 0.26 | −0.46 | 0.98 | 0.03 | −0.85 | 0.91 | 0.36 | −0.56 | 3.53 | |||
People in Room | 0.04*** | −0.16 | 0.25 | 0.05 | −0.13 | 0.23 | −0.05 | −0.27 | 0.17 | 0.11 | −0.22 | 0.48 | |||
sStudy Arm | −0.74 | −1.44 | −0.04 | − 0.70 | −1.37 | −0.04 | − 0.76 | − 1.52 | 0.00 | − 0.75 | −1.88 | 0.31 | |||
Intercept | 6.40 | 4.71 | 8.08 | 4.02* | 1.45 | 6.59 | 7.34 | 4.24 | 10.44 | 6.13 | 2.67 | 9.58 | 8.98 | 4.52 | 14.00 |