Table 1 Demographic, work-related, and life-related variables by industry. Industry Construction Manufacturing (n = 1,800) (n = 3,888) Transport/ postal service (n = 1,289) Wholesale/ retail trade Medical/ health/welfare Other (n = 6,324) Total (n = 18,682) Chi-square test (n = 2,616) (n = 2,765) n (%) n (%) n (%) n (%) n (%) n (%) n (%) Sex Male 1413 (78.5) Female 387 (21.5) 2876 1012 (74.0) 1037 (80.4) (26.0) 252 (19.6) 1433 (54.8) 712 (25.8) 4113 (65.0) 11584 (62.0) 1183 (45.2) 2053 (74.2) 2211 (35.0) 7098 (38.0) Age 20-34 years 270 (15.0) 35-49 years 785 50-64 years 745 884 (22.7) 218 (43.6) 1708 (43.9) 543 (41.4) 1296 (33.3) 528 880 1134 (16.9) 597 (22.8) (31.8) 1600 (25.3) 4449 (23.8) (42.1) 1216 (46.5) (41.0) 2779 (43.9) 8165 (43.7) (41.0) 803 (30.7) 751 (27.2) 1945 (30.8) 6068 (32.5) Education year