|  | Men (n = 31,443) | Women (n = 35,870) | P-valuea |
---|---|---|---|---|
Age: 65 years or older | n (%) | 8802 (28.0) | 11,236 (31.3) | < 0.001 |
Marital status: married | n (%) | 22,533 (71.7) | 23,558 (65.7) | < 0.001 |
Family size: one (i.e., living alone) | n (%) | 3738 (11.9) | 4079 (11.4) | 0.037 |
Housing tenure: renters | n (%) | 8434 (26.8) | 9215 (25.7) | 0.001 |
Household expendituresb | mean ± SD | 14.78 ± 8.03 | 14.50 ± 7.91 | < 0.001 |
Education: < 10 years of schooling | n (%) | 4179 (13.3) | 5319 (14.8) | < 0.001 |
Alcohol intake: > 4 days a week | n (%) | 11,711 (37.2) | 3924 (10.9) | < 0.001 |
Smoking status: current smokers | n (%) | 10,677 (34.0) | 3752 (10.5) | < 0.001 |
Sleep duration: < 6 h a day | n (%) | 10,732 (34.1) | 13,868 (38.7) | < 0.001 |
Chronic medical conditionsc: present | n (%) | 6905 (22.0) | 6,532 (18.2) | < 0.001 |
Self-reported LBP: present | n (%) | 3670 (11.7) | 5,101 (14.2) | < 0.001 |
Work status: not working | n (%) | 8204 (26.1) | 17,869 (49.8) | < 0.001 |