Explanatory variables | Adjusted Odds Ratios [95% Confidence Interval] | |
---|---|---|
Poor self-rated health | Functional limitations | |
Rural-urban interaction effects | ||
 Rural Shanghai (ref: urban Shanghai) | 1.82 [1.31–2.52] | 1.31 [0.85–2.01] |
 Rural Zhejiang (ref: urban Zhejiang) | 1.71 [1.18–2.46] | 0.69 [0.45–1.09] |
 Rural Guangdong (ref: urban Guangdong) | 0.78 [0.56–1.09] | 3.69 [2.43–5.59] |
 Rural Shandong (ref: urban Shandong) | 6.32 [4.53–8.82] | 5.14 [3.55–7.44] |
 Rural Jilin (ref: urban Jilin) | 2.71 [2.04–3.61] | 4.72 [3.43–6.49] |
 Rural Hubei (ref: urban Hubei) | 2.36 [1.82–3.07] | 4.11 [2.80–6.04] |
 Rural Shaanxi (ref: urban Shaanxi) | 1.55 [1.17–2.06] | 1.33 [0.93–1.90] |
 Rural Yunnan (ref: urban Yunnan) | 0.97 [0.73–1.29] | 1.88 [1.29–2.74] |
Sociodemographic attributes | ||
 Age groups in year | ||
  50–59 | Reference | Reference |
  60–69 | 1.07 [0.94–1.23] | 1.61 [1.33–1.96] |
  70+ | 1.41 [1.22–1.63] | 5.25 [4.34–6.35] |
 Sex | ||
  Male | Reference | Reference |
  Female | 1.26 [1.10–1.45] | 1.14 [0.97–1.34] |
 Years of education | ||
   < 6 years | Reference | Reference |
   ≥ 6 years | 1.11 [0.98–1.26] | 0.80 [0.68–0.95] |
 Permanent income quintiles | ||
  Quintile 1 (lowest) | 2.76 [2.18–3.49] | 2.88 [2.09–3.97] |
  Quintile 2 | 1.98 [1.58–2.49] | 2.06 [1.49–2.85] |
  Quintile 3 | 1.71 [1.37–2.14] | 1.83 [1.34–2.49] |
  Quintile 4 | 1.49 [1.20–1.86] | 1.62 [1.20–2.18] |
  Quintile 5 (highest) | Reference | Reference |
Health covariates | ||
 Health insurance | ||
  Mandatory and/or voluntary | Reference | Reference |
  No insurance | 1.22 [1.01–1.49] | 1.36 [1.06–1.76] |
 Body mass index | ||
  Underweight (< 18.5) | 1.41 [1.12–1.82] | 1.16 [0.84–1.61] |
  Normal (18.5 to 23.5) | Reference | Reference |
  Overweight (23.5 to 25.0) | 0.92 [0.79–1.07] | 0.97 [0.80–1.19] |
  Obese (> 25) | 0.68 [0.59–0.79] | 1.21 [1.02–1.43] |
 Number of chronic diseases | ||
  0 | Reference | Reference |
  1 | 2.47 [2.16–2.83] | 1.74 [1.46–2.08] |
  2+ | 4.80 [4.13–5.58] | 3.34 [2.81–3.96] |
 Smoking | ||
  No | Reference | Reference |
  Yes | 1.06 [0.89–1.24] | 0.79 [0.64–0.97] |
 Drinking | ||
  No | Reference | Reference |
  Yes | 0.74 [0.61–0.89] | 0.51 [0.39–0.66] |