| Variables | Total sample (N = 816) | Female (N = 426) | Male (N = 390) |
|---|
| Eq-5d index | VAS | Eq-5d index | VAS | Eq-5d index | VAS |
|---|
| Mean/SD | t-testa | Mean/SD | t-testa | Mean/SD | Mean/SD | Mean/SD | Mean/SD |
|---|
| Socioeconomic Status |
| Low | 0.67/0.20 | 7.27*** | 62.41/20.08 | 7.28*** | 0.66/0.19 | 62.16/19.32 | 0.67/0.21 | 62.77/21.20 |
| High | 0.77/0.16 | | 72.94/18.18 | | 0.76/0.16 | 72.31/17.89 | 0.77/0.17 | 73.58/18.46 |
| Educational Level |
| Illiteracy | 0.68/0.18 | 12.97*** | 63.57/19.34 | 13.43*** | 0.68/0.18 | 63.51/18.89 | 0.68/0.19 | 63.66/19.99 |
| Elementary and above | 0.83/0.12 | | 80.61/13.83 | | 0.84/0.10 | 81.84/11.41 | 0.82/0.14 | 79.71/15.33 |
| Poor housing conditions |
| Yes | 0.71/0.19 | 6.16*** | 66.92/19.77 | 6.38*** | 0.71/0.18 | 66.41/19.44 | 0.72/0.19 | 67.53/20.18 |
| No | 0.79/0.15 | | 75.86/16.95 | | 0.78/0.15 | 75.03/16.31 | 0.80/0.15 | 76.61/17.53 |
| Income-based group |
| Quintile1 (poor) | 0.72/0.19 | 3.07** | 67.80/19.74 | 3.11** | 0.71/0.18 | 67.10/19.04 | 0.73/0.19 | 68.61/20.53 |
| Quintile2 (rich) | 0.76/0.17 | | 72.00/18.71 | | 0.75/0.17 | 71.03/18.69 | 0.76/0.17 | 73.00/18.72 |
- *P < 0.05,**P < 0.01,***P < 0.001
- a The t test was employed to examine whether there was a significant difference in the mean between the two groups of a variable
