Variables | Average working hours per week | p-value | |||||||
---|---|---|---|---|---|---|---|---|---|
≤40 | 40 < x ≤ 48 | 48 < x ≤ 60 | >60 | ||||||
na | %b | na | %b | na | %b | na | %b | ||
Sex | |||||||||
Male | 625000 | 30.8 % | 480684 | 23.7 % | 669145 | 32.9 % | 256032 | 12.6 % | <0.001 |
Female | 835816 | 47.8 % | 450292 | 25.7 % | 338153 | 19.3 % | 125328 | 7.2 % | |
Age (years) | |||||||||
Mean ± SE | 40.6 ± 0.4 | 39.1 ± 0.6 | 39.0 ± 0.6 | 42.3 ± 1.0 | 0.003 | ||||
25–34 | 434679 | 34.9 % | 352466 | 28.3 % | 352545 | 28.3 % | 107280 | 8.6 % | 0.021 |
35–44 | 532509 | 38.9 % | 306509 | 22.4 % | 408269 | 29.8 % | 120827 | 8.8 % | |
45–54 | 353381 | 41.2 % | 206971 | 24.1 % | 196742 | 22.9 % | 101348 | 11.8 % | |
55–64 | 140247 | 45.7 % | 65030 | 21.2 % | 49742 | 16.2 % | 51905 | 16.9 % | |
BMI (kg/m2) | |||||||||
Underweight | 66465 | 43.3 % | 28302 | 18.4 % | 54891 | 35.8 % | 3845 | 2.5 % | 0.118 |
Normal | 984258 | 39.7 % | 589535 | 23.8 % | 670664 | 27.0 % | 235542 | 9.5 % | |
Obese | 410092 | 35.8 % | 313138 | 27.3 % | 281742 | 24.6 % | 141973 | 12.4 % | |
Education | |||||||||
≤ Middle school | 116233 | 32.1 % | 77087 | 21.3 % | 106274 | 29.3 % | 62766 | 17.3 % | 0.008 |
High school | 530333 | 37.2 % | 342979 | 24.0 % | 375414 | 26.3 % | 178677 | 12.5 % | |
≥ College | 814249 | 40.9 % | 510911 | 25.7 % | 525610 | 26.4 % | 139917 | 7.0 % | |
Marital status | |||||||||
Never married | 268863 | 35.7 % | 216956 | 28.8 % | 192447 | 25.5 % | 75174 | 10.0 % | 0.681 |
Married | 1104046 | 39.2 % | 655606 | 23.3 % | 766179 | 27.2 % | 291180 | 10.3 % | |
Others | 87907 | 41.9 % | 58413 | 27.8 % | 48671 | 23.2 % | 15007 | 7.1 % | |
Household income | |||||||||
Low | 51287 | 31.6 % | 31609 | 19.5 % | 64473 | 39.7 % | 14865 | 9.2 % | 0.001 |
Mid-low | 313868 | 31.1 % | 231306 | 22.9 % | 315850 | 31.3 % | 147408 | 14.6 % | |
Mid-high | 529608 | 38.7 % | 334116 | 24.4 % | 365995 | 26.7 % | 138763 | 10.1 % | |
High | 566053 | 45.6 % | 333944 | 26.9 % | 260980 | 21.0 % | 80325 | 6.5 % | |
Smoking | |||||||||
Non-smoker | 947579 | 46.3 % | 533403 | 26.1 % | 411757 | 20.1 % | 152136 | 7.4 % | <0.001 |
Ex-smoker | 220452 | 34.5 % | 144646 | 22.6 % | 207975 | 32.6 % | 65555 | 10.3 % | |
Current smoker | 292784 | 26.7 % | 252927 | 23.1 % | 387565 | 35.3 % | 163670 | 14.9 % | |
Alcohol | |||||||||
None | 244192 | 44.4 % | 143659 | 26.1 % | 107894 | 19.6 % | 53707 | 9.8 % | 0.003 |
Light drinker | 1031733 | 39.9 % | 634730 | 24.5 % | 700198 | 27.1 % | 219618 | 8.5 % | |
Heavy drinker | 184891 | 28.7 % | 152587 | 23.7 % | 199206 | 30.9 % | 108035 | 16.8 % | |
Exercise | |||||||||
No | 1190610 | 38.9 % | 728900 | 23.8 % | 823902 | 26.9 % | 317417 | 10.4 % | 0.611 |
Yes | 270206 | 37.5 % | 202076 | 28.1 % | 183396 | 25.5 % | 63943 | 8.9 % | |
Job type | |||||||||
Non-manual | 1237357 | 43.3 % | 695717 | 24.3 % | 695575 | 24.3 % | 228538 | 8.0 % | <0.001 |
Manual | 223459 | 24.2 % | 235258 | 25.5 % | 311722 | 33.8 % | 152822 | 16.6 % | |
Shift work | |||||||||
No | 1248109 | 39.3 % | 809858 | 25.5 % | 867887 | 27.4 % | 246757 | 7.8 % | <0.001 |
Yes | 212706 | 35.0 % | 121118 | 19.9 % | 139411 | 22.9 % | 134603 | 22.1 % |