Table 2.
Characteristics of demographic variables and control variables of participants.
| Variables | Composition ratio (%) | Mean ± SD |
|---|---|---|
| Gender | 1.59 ± 0.49 | |
| Male | 312 (40.5) | |
| Female | 458 (59.5) | |
| Age (years) | 34.5 ± 11.68 | |
| <30 | 384 (49.9) | |
| 30–45 | 256 (33.2) | |
| 46–60 | 96 (12.5) | |
| >60 | 34 (4.4) | |
| Education level | 3.97 ± 1.38 | |
| Primary or below | 44 (5.7) | |
| Junior high school | 103 (13.4) | |
| Senior high school | 111 (14.4) | |
| Junior college | 146 (19.0) | |
| Undergraduate | 304 (39.5) | |
| Master's degree and above | 62 (8.1) | |
| Years of working | 2.17 ± 1.21 | |
| <5 | 306 (39.7) | |
| 5–10 | 186 (24.2) | |
| 11–20 | 161 (20.9) | |
| 21–30 | 74 (9.6) | |
| >30 | 43 (5.6) | |
| Living place | 3.10 ± 1.19 | |
| Rural | 117 (15.2) | |
| Cities and towns | 132 (17.1) | |
| Third-tier city | 110 (14.3) | |
| Second-tier city | 411 (53.4) | |
| Marital status | 1.69 ± 0.63 | |
| Never married | 287 (37.3) | |
| Married | 457 (59.4) | |
| Others | 26 (3.4) | |
| Number of children | 0.93 ± 0.94 | |
| 0 | 315 (40.9) | |
| 1 | 244 (31.7) | |
| 2 | 158 (20.5) | |
| ≥3 | 53 (6.9) | |
| Average annual household income (yuan) | 3.09 ± 1.19 | |
| <30,000 | 88 (11.4) | |
| 30,000–60,000 | 152 (19.7) | |
| 60,000–100,000 | 227 (29.5) | |
| 100,000–200,000 | 205 (26.6) | |
| >200,000 | 98 (12.7) | |
| Self-assessment of health | −0.64 ± 0.88 | |
| Serious than subhealth | 67 (8.7) | |
| Subhealth | 499 (64.8) | |
| Unclear | 61 (7.9) | |
| Health | 143 (18.6) | |
| Subhealth duration | 3.37 ± 1.43 | |
| <3 months | 126 (16.4) | |
| 3–6 months | 88 (11.4) | |
| 6 months-1 year | 161 (20.9) | |
| <2 years | 162 (21.0) | |
| ≥3 years | 233 (30.3) | |
| Number of employees in the work unit | 2.97 ± 1.46 | |
| Freelancer | 171 (22.2) | |
| <50 | 152 (19.7) | |
| 50–150 | 141 (18.3) | |
| 150–500 | 139 (18.1) | |
| ≥500 | 167 (21.7) | |
| Subhealth proportion in the work unit (%) | 2.94 ± 1.16 | |
| 10 | 97 (12.6) | |
| 30 | 174 (22.6) | |
| 50 | 246 (31.9) | |
| 70 | 182 (23.6) | |
| ≥90 | 71 (9.2) |