Table 1 Characteristics of study participants
Variables | N | Mean (SE) or Proportion (SE) |
|---|---|---|
Age, y | 2141 | 35.7 (0.2) |
Household income (quartile), % | ||
Lowest | 488 | 24.2 (1.2) |
Lower middle | 588 | 25.8 (1.1) |
Upper middle | 552 | 25.5 (1.1) |
Highest | 542 | 24.4 (1.2) |
Education level, % | ||
Middle school or below | 80 | 3.5 (0.5) |
High school | 749 | 37.5 (1.4) |
College or above | 1312 | 59.0 (1.5) |
Occupation, % | ||
White collar/professional | 1020 | 51.2 (1.5) |
Service sales | 293 | 15.5 (1.0) |
Blue collar | 643 | 33.3 (1.5) |
Marital status, married, % | 1400 | 59.4 (1.6) |
Smoking, % | 962 | 45.2 (1.3) |
Alcohol drinking, % | 1711 | 79.9 (1.0) |
Hypertension, % | 429 | 19.5 (0.9) |
Diabetes mellitus, % | 429 | 4.8 (0.6) |
Obesity, % | 957 | 44.2 (1.2) |
Working hours, h/w | 2141 | 45.5 (0.4) |
Sleep duration, h/d | 2141 | 6.9 (0.0) |
Poor SRH, % | 230 | 11.7 (0.8) |
HRQOL, score | 2141 | 98.3 (0.1) |
Problem in HRQOL components, % | ||
Mobility | 55 | 2.6 (0.4) |
Self-care | 11 | 0.4 (0.1) |
Usual activity | 30 | 1.4 (0.3) |
Pain/discomfort | 233 | 10.9 (0.7) |
Anxiety/depression | 88 | 4.1 (0.5) |