Table 1.
Direct-entry multivariate logistic regression model of post-intervention depressive symptoms
| Odds ratio (OR) | P-value | 95% CI for OR | ||
|---|---|---|---|---|
| Lower | Upper | |||
| Social cognitive factors | ||||
| Number of household smokers | 1.57 | 0.049 | 1.00 | 2.45 |
| Social support (ISEL) | 0.88 | < 0.001 | 0.82 | 0.93 |
| Life-event stress | 1.04 | < 0.001 | 1.02 | 1.07 |
| Marital status (0 = single, 1 = married or living with partner) | 0.52 | 0.148 | 0.22 | 1.26 |
| Child's daily mean exposure to cigarette smoke by mother | 1.17 | 0.058 | 0.99 | 1.37 |
| Number of paediatric sick visits | 1.08 | 0.677 | 0.75 | 1.57 |
| Socio-economic factors | ||||
| Employment status (0 = unemployed, 1 = employed) | 1.16 | 0.698 | 0.54 | 2.49 |
| Level of education (0 = less than high school, 1 = at least high school) | 0.73 | 0.398 | 0.36 | 1.51 |
| Health promotion activities | ||||
| Intervention randomisation status (0 = SCC, 1 = BC) | 0.86 | 0.680 | 0.42 | 1.76 |
| Other variables | ||||
| Baseline CES-D (0–15 = 0, ≥ 16 = 1) | 3.76 | < 0.001 | 1.84 | 7.66 |
| Mother's age | 0.99 | 0.495 | 0.94 | 1.03 |
Statistically significant covariates are shown in bold.
CI, confidence interval; ISEL, Interpersonal Support Evaluation List; CES-D, Center of Epidemiologic Studies Depression Scale; SCC, standard of care control group; BC, behavioural counselling group.