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Table 3 General characteristics of the female subjects

From: The Association between Long Working Hours and Self-Rated Health

Variables   Total Weekly working hours p-value
  ≤40 40 < × ≤ 52 52 < × ≤ 60 >60
   n(%*) % % % %  
Age Mean ± SD 39.8 ± 10.2 39.0 ± 10.1 39.5 ± 10.3 41.0 ± 10.0 41.3 ± 10.4 0.022§
(years) 25-34 489(37.6) 34.2 42.1 15.7 8.0 0.090
35-44 353(27.2) 33.1 39.7 16.7 10.5
45-54 331(25.5) 27.2 37.8 21.4 13.6
55-64 126(9.7) 31.0 37.3 19.0 12.7
Marital status Never married 303(23.3) 34.0 39.9 16.2 9.9 0.252
Married 858(66.1) 32.5 39.3 17.5 10.7
Others 138(10.6) 22.4 43.5 23.2 10.9
Educational status ≤Junior high school 281(21.6) 27.1 34.5 24.9 13.5 <0.001
High school 433(33.3) 27.5 42.5 19.4 10.6
≥College 585(45.1) 37.3 40.5 13.2 9.0
Household income (KRW/month) Mean ± SD 228.9 ± 333.6 241.7 ± 329.7 231.1 ± 362.8 209.2 ± 260.7 214.6 ± 340.9 0.640§
Occupation Non-manual 705(54.3) 35.6 41.8 13.9 8.7 <0.001
Manual 594(45.7) 27.3 37.5 22.4 12.8
Employment type Regular worker 888(68.4) 31.4 40.8 17.6 10.2 0.803
Irregular worker 411(31.6) 32.6 38.0 18.2 11.2
Shift work No 1,220(93.9) 32.0 40.3 17.5 10.2 0.249
Yes 79(6.1) 29.1 32.9 22.8 15.2
Tenure Mean ± SD 4.67 ± 5.57 4.71 ± 5.25 4.65 ± 5.82 4.62 ± 5.44 4.75 ± 5.78 0.995§
(years) ≤1 421(32.4) 30.9 41.8 15.7 11.6 0.775
1 < × ≤ 10 725(55.8) 32.3 39.2 18.7 9.8
>10 153(11.8) 32.0 37.9 19.0 11.1
Smoking No 1,281(98.6) 31.7 40.1 17.7 10.5 0.463
Yes 18(1.4) 38.9 22.2 22.2 16.7
Alcohol consumption No 631(48.6) 31.1 41.2 16.6 11.1 0.573
Yes 668(51.4) 32.5 38.6 18.9 10.0
Exercise No 1,083(83.4) 31.1 40.5 17.3 11.1 0.223
  Yes 216(16.6) 35.2 36.6 20.3 7.9  
  1. *: column percentage, †: row percentage, ‡SD: standard deviation, §: tested by ANOVA, : tested by chi-squared test, ¶:KRW = 10,000 Korean won (approximately US$10).