White-collar | Blue-collar | |||
---|---|---|---|---|
n (cases) | OR (95% CI) | n (cases) | OR (95% CI) | |
Odds ratios (OR) and 95% confidence intervals (CI) adjusted for age and sex. | ||||
*Tertiles based on distributions specific for occupational class. | ||||
Total exercise and housework activity* | ||||
Low | 86 (16) | 1.00 | 90 (33) | 1.00 |
Medium | 86 (18) | 0.97 (0.39 to 2.39) | 91 (33) | 0.67 (0.31 to 1.46) |
High | 86 (13) | 0.86 (0.33 to 2.26) | 90 (17) | 0.27 (0.11 to 0.65) |
Vigorous exercise and housework activity | ||||
No | 81 (24) | 1.00 | 141 (54) | 1.00 |
Yes | 177 (23) | 0.38 (0.19 to 0.76) | 130 (29) | 0.46 (0.25 to 0.85) |