Table 2:
Baseline characteristics of 3261 women according to occupational group and work ability in midlife
| Characteristic | Work ability among white-collar employees |
Work ability among blue-collar employees |
||||||
|---|---|---|---|---|---|---|---|---|
| Excellent, n = 574 | Moderate, n = 776 | Poor, n = 223 | p value | Excellent, n = 389 | Moderate, n = 872 | Poor, n = 427 | p value | |
| Age, yr, mean (SD) | 49.7 (3.5) | 50.4 (3.6) | 51.4 (3.5) | < 0.001* | 49.9 (3.5) | 50.3 (3.5) | 50.9 (3.7) | < 0.001* |
| BMI, kg/m2, mean (SD) | 24.9 (2.6) | 26.0 (2.8) | 26.2 (3.4) | < 0.001* | 26.1 (3.1) | 26.4 (3.2) | 26.4 (3.2) | 0.019* |
| Net family income over 1700€ per month, % | 66.1 | 65.3 | 64.2 | 0.870† | 52.7 | 55.8 | 49.4 | 0.099† |
| Began full-time work before age 18 yr, % | 19.5 | 20.7 | 24.9 | 0.244† | 40.5 | 42.6 | 50.2 | 0.011† |
| Smoking status, % | 0.350† | 0.341† | ||||||
| Never smoked | 73.9 | 69.5 | 72.5 | 80.5 | 81.2 | 77.4 | ||
| Used to smoke | 14.5 | 18.6 | 17.1 | 8.8 | 9.8 | 10.0 | ||
| Currently smokes | 11.6 | 11.9 | 10.4 | 10.6 | 9.0 | 12.6 | ||
| Alcohol intake, % | 0.049† | 0.678† | ||||||
| None | 36.5 | 38.3 | 43.7 | 49.2 | 47.9 | 49.0 | ||
| ≥ 2 drinks/month | 60.2 | 56.8 | 55.0 | 47.9 | 50.0 | 49.5 | ||
| ≥ 1 drink/week | 3.3 | 4.9 | 1.3 | 2.9 | 2.1 | 1.5 | ||
| Physical activity, % | < 0.001† | < 0.001† | ||||||
| Very active | 59.1 | 50.1 | 43.6 | 57.3 | 48.1 | 39.9 | ||
| Moderately active | 36.3 | 43.6 | 45.0 | 36.1 | 42.2 | 49.0 | ||
| Inactive | 4.6 | 6.3 | 11.4 | 6.6 | 9.7 | 11.1 | ||
| Musculoskeletal disease, % | 17.9 | 40.5 | 60.5 | < 0.001† | 20.1 | 45.2 | 65.8 | < 0.001† |
| Heart and circulatory disease, % | 7.3 | 20.9 | 33.2 | < 0.001† | 13.9 | 23.4 | 29.5 | < 0.001† |
| Respiratory disease, % | 4.4 | 12.5 | 19.7 | < 0.001† | 7.7 | 13.0 | 21.8 | < 0.001† |
| Metabolic disease, % | 5.1 | 11.9 | 20.2 | < 0.001† | 6.4 | 12.4 | 16.9 | < 0.001† |
Note: BMI = body mass index, SD = standard deviation.
*
ANOVA (analysis of variance).
†
χ2 test.