Table 1

 Leisure time physical activity scores, physical strenuousness of work, BMI, and the proportion of current smokers and those with chronic disease at baseline, by sex and occupational class

Women (n = 183) Mean (SE)Men (n = 346) Mean (SE)
Total exercise and housework activity2793.0 (92.1)2025.2 (72.7)
Vigorous exercise and housework activity135.7 (23.6)262.8 (22.0)
Physical strenuousness of work12.1 (0.19)12.0 (0.16)
BMI23.9 (0.27)24.6 (0.16)
Current smokers (yes, %)16.9 (0.03)26.7 (0.02)
Chronic disease (yes, %)33.9 (0.04)32.5 (0.03)
Grip strength (Kp)37.5 (0.34)62.1 (0.49)
White-collar (n = 258) Mean (SE)Blue-collar (n = 271) Mean (SE)
Results expressed as mean (SE).
Total exercise and housework activity2257.6 (80.3)2316.2 (87.3)
Vigorous exercise and housework activity264.5 (26.3)176.2 (20.8)
Physical strenuousness of work10.2 (0.14)13.8 (0.13)
BMI24.0 (0.19)24.6 (0.21)
Current smokers (yes, %)17.8 (0.02)28.7 (0.03)
Chronic disease (yes, %)26.7 (0.03)37.6 (0.03)
Grip strength (Kp)51.3 (0.84)55.7 (0.87)