Table 1 Characteristics of study participants
Characteristics of participants | Frequency | Percentage (%) |
|---|---|---|
Demographic Characteristics | Â | Â |
 Age |  |  |
  18-44 | 4489 | 33.3 |
  45-59 | 4821 | 35.7 |
  60+ | 4173 | 31.0 |
 Sex |  |  |
  Female | 7043 | 52.2 |
  Male | 6440 | 47.8 |
Socioeconomic status | Â | Â |
 Marital status |  |  |
  Never married | 743 | 5.5 |
  Married | 11292 | 83.8 |
  Other | 1448 | 10.7 |
 Educational attainment |  |  |
  No formal education | 3073 | 22.8 |
  Primary school | 2376 | 17.6 |
  Middle school | 4192 | 31.1 |
  High school | 2517 | 18.7 |
  University | 1325 | 9.8 |
 Annual household income per capita (RMB)* |  |  |
   < 4370 (≤20 percentile) ~ (poorest 20 percentage) | 2697 | 20.0 |
  4370-8434 (≤40 percentile) | 2696 | 20.0 |
  8435-13540 (≤60 percentile) | 2698 | 20.0 |
  13541-21107 (≤80 percentile) | 2693 | 20.0 |
   > 21107 (>80 percentile) | 2699 | 20.0 |
Health condition | Â | Â |
 Illness over past 4 weeks |  |  |
  No | 11083 | 82.2 |
  Yes | 2400 | 17.8 |
 Chronic conditions |  |  |
  No | 10806 | 80.2 |
  Yes | 2677 | 19.9 |
Medical insurance | Â | Â |
 CMI |  |  |
  Yes | 421 | 3.1 |
  No | 13062 | 96.9 |
 BSMI |  |  |
  NRCMS | 7833 | 58.1 |
  BMIUR | 2178 | 16.2 |
  BMIUE | 3472 | 25.8 |
Residency | Â | Â |
 Region of residence |  |  |
  Northeastern | 1904 | 14.1 |
  Western | 3528 | 26.2 |
  Central | 3619 | 26.8 |
  Eastern | 4432 | 32.9 |
 Type of community |  |  |
  Urban neighborhood | 2121 | 15.7 |
  Suburban village | 2738 | 20.3 |
  County town | 1822 | 13.5 |
  Rural village | 6802 | 50.5 |