Table 6. Odds ratio (OR) of offspring source of passive smoking (123 male and 193 female) vs. non-passive smoking (668 male and 803 female) according to selected characteristics in 2010.
| Crude | Adjusted | |
|---|---|---|
| Sex | ||
| Male | 1 | 1 |
| Female | 1.31 (1.02–1.67) | 0.96 (0.73–1.26) |
| Age (years) | ||
| 60- | 1 | 1 |
| 70- | 1.22 (0.94–1.59) | 0.98 (0.74–1.30) |
| 80- | 0.89 (0.56–1.41) | 0.71 (0.44–1.16) |
| P for trend | 0.706 | 0.293 |
| Marital status | ||
| Married | 1 | 1 |
| Widowed or divorced | 1.77 (1.32–2.38) | 1.52 (1.10–2.08) |
| Occupation | ||
| White collar | 1 | 1 |
| Light physical labor | 1.63 (1.19–2.23) | 1.45 (1.05–2.00) |
| Hard physical labor | 2.16 (1.57–2.98) | 1.35 (0.94–1.95) |
| P for trend | <0.001 | 0.108 |
| Education level (years) | ||
| 0–6 | 1 | 1 |
| 7–12 | 0.52 (0.39–0.69) | 0.58 (0.43–0.80) |
| 13∼ | 0.36 (0.26–0.49) | 0.42 (0.29–0.63) |
| P for trend | <0.001 | <0.001 |
Adjusted model involved gender, age group, marital status (married, single or divorced or widowed), occupation (white collar, light physical labor, hard physical labor) and education level (years: ≤6, 7–12, ≥13).