Table 2.
Association between level of exposure to secondhand smoke and stress, depression, and suicidal ideation.
| Independent Variables | Stress | Depression | Suicidal Ideation | |||
|---|---|---|---|---|---|---|
| Model 1 | Model 2 | Model 1 | Model 2 | Model 1 | Model 2 | |
| OR (p) | OR (p) | OR (p) | OR (p) | OR (p) | OR (p) | |
| Level of exposure to SHS | 1.09 (<0.001) | 1.07 (<0.001) | 1.10 (<0.001) | 1.08 (<0.001) | 1.09 (<0.001) | 1.07 (<0.001) |
| Age | 0.92 (<0.001) | 0.97 (0.670) | 0.92 (<0.001) | |||
| Gender (ref = male) | 2.09 (<0.001) | 1.97 (<0.001) | 2.09 (<0.001) | |||
| Education level of father (ref = college or higher) | 0.84 (<0.001) | 0.89 (<0.001) | 0.84 (<0.001) | |||
| Education level of mother (ref = college or higher) | 0.90 (0.007) | 0.87 (<0.001) | 0.90 (0.007) | |||
| School achievement (1–5) | 0.87 (<0.001) | 0.88 (<0.001) | 0.89 (<0.001) | |||
| Economic status (1–5) | 0.83 (<0.001) | 0.91 (<0.001) | 0.83 (<0.001) | |||
| Inhabitation (ref = with family) | 1.24 (0.008) | 1.20 (0.001) | 1.24 (0.008) | |||
| Drinking (ref = no) | 1.60 (<0.001) | 1.30 (<0.001) | 1.60 (<0.001) | |||
| Wald (p) | 318.71 (<0.001) | 144.85 (<0.001) | 1058.47 (<0.001) | 207.32 (<0.001) | 648.27 (<0.001) | 144.85 (<0.001) |
| Cox and Snell’s R-square | 0.010 | 0.035 | 0.023 | 0.057 | 0.013 | 0.035 |
| Nagelkerke’s R-square | 0.017 | 0.066 | 0.033 | 0.083 | 0.025 | 0.066 |
Model 1: Simple logistic regression. Model 2: Multiple logistic regression with control variables such as age, gender, education level of parents, school achievement, economic status, inhabitation, and drinking.