Table 1.
Baseline characteristics of non‐smoking women according to status of passive smoking from a spouse
| Spouse’s smoking status | Total | |||
|---|---|---|---|---|
| Never | Former | Current | ||
| No. participants | 6,569 | 6,390 | 12,432 | 25,391 |
| Mean (SD) | ||||
| Age | 50.3 (6.7) | 51.9 (7.3) | 50.0 (6.9) | 50.6 (7.0) |
| BMI (n = 25,155) | 23.6 (3.1) | 23.6 (3.0) | 23.5 (3.1) | 23.6 (3.1) |
| Spouse's no. cigarettes/day † | 0 | 24.3 (14.5) | 22.4 (11.2) | |
| Prevalence (%) | ||||
| Hypertension | 16.8 | 17.4 | 16.5 | 16.8 |
| Parental history of diabetes | 8.3 | 8.4 | 9.0 | 8.7 |
| Alcohol intake | ||||
| None | 80.9 | 80.1 | 79.2 | 79.9 |
| Occasional | 9.6 | 9.3 | 10.0 | 9.7 |
| Regular | 8.1 | 9.2 | 9.2 | 8.9 |
| Missing | 1.5 | 1.4 | 1.5 | 1.5 |
| Coffee intake | ||||
| Almost never | 30.1 | 31.7 | 29.2 | 30.0 |
| 1–2 cups/week | 19.2 | 20.9 | 19.5 | 19.8 |
| 3–4 cups/week | 11.7 | 11.6 | 11.5 | 11.6 |
| ≥1 cup/day | 38.0 | 35.1 | 39.2 | 37.8 |
| Missing | 1.1 | 0.8 | 0.7 | 0.8 |
| Leisure‐time physical activity | ||||
| None | 81.6 | 80.7 | 83.9 | 82.5 |
| Once a week to daily | 17.2 | 18.2 | 15.0 | 16.4 |
| Missing | 1.1 | 1.1 | 1.2 | 1.1 |
| Work | ||||
| No occupation | 28.1 | 31.3 | 26.8 | 28.3 |
| Full time or part time | 71.0 | 67.9 | 72.2 | 70.8 |
| Missing | 0.9 | 0.9 | 1.1 | 1.0 |
†
n = 6,233 for former smokers and 12,287 for current smokers. SD, standard deviation.