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Table 3 Logistic regression analysis of self-rated physical health (All respondents)

From: Does where you live matter to your health? Investigating factors that influence the self-rated health of urban and rural Chinese residents: evidence drawn from Chinese General Social Survey data

  Model 1 Model 2 Model 3
Evaluation of living environment OR 95% Confidence Intervals OR 95% Confidence Intervals OR 95% Confidence Intervals
Air pollution (ref: not serious) 1.003 [0.869, 1.157] 1.029 [0.869, 1.219] 0.993 [0.861, 1.147]
Green space shortage (ref: not serious) 0.867* [0.750, 1.002] 0.866* [0.749, 1.000] 1.016 [0.847, 1.218]
Water pollution (ref: not serious) 1.047 [0.911, 1.203] 1.045 [0.909, 1.201] 1.044 [0.908, 1.200]
Freshwater resource shortage (ref: not serious) 0.986 [0.862, 1.129] 0.986 [0.861, 1.128] 0.986 [0.862, 1.129]
Physical activities       
Doing physical exercise (ref: infrequently) 1.092 [0.959, 1.243] 1.125 [0.951, 1.331] 1.216** [1.047, 1.413]
Controlled variables       
Age 0.959*** [0.955, 0.962] 0.959*** [0.955, 0.962] 0.959*** [0.955, 0.962]
Gender (ref: male) 0.776*** [0.694, 0.868] 0.776*** [0.694, 0.869] 0.778*** [0.695, 0.870]
Marital status (ref: single, divorce, widowed.) 0.966 [0.829, 1.126] 0.967 [0.830, 1.126] 0.972 [0.834, 1.132]
Educational attainments (ref: junior high school and below)       
Senior high school 1.266*** [1.087, 1.475] 1.264*** [1.086, 1.473] 1.263*** [1.084, 1.470]
Bachelor degree and above 1.089 [0.908, 1.307] 1.088 [0.907, 1.305] 1.093 [0.910, 1.311]
Logarithmic of annual household income 1.349*** [1.264, 1.440] 1.349*** [1.264, 1.440] 1.344*** [1.259, 1.435]
Hukou status (ref: non-local hukou) 0.904 [0.733, 1.114] 0.905 [0.734, 1.115] 0.908 [0.736, 1.119]
Insurance schemes (ref: have joined neither schemes)       
Have joined both BMI and PCMI schemes 1.106 [0.839, 1.459] 1.110 [0.841, 1.463] 1.125 [0.853, 1.484]
Have joined BMI schemes but not PCMI schemes 1.075 [0.868, 1.332] 1.077 [0.869, 1.334] 1.087 [0.877, 1.347]
Have joined PCMI schemes but not BMI schemes 2.271** [1.145, 4.504] 2.280** [1.149, 4.525] 2.333** [1.177, 4.627]
Interaction in relation to evaluation of living environment       
Doing physical exercise frequently × Serious air pollution (ref: Doing physical exercise frequently × No serious air pollution)    0.932 [0.727, 1.196]   
Doing physical exercise frequently × Serious green space shortage (ref: Doing physical exercise frequently × No serious green space shortage)      0.665*** [0.503, 0.879]
N 6571   6571   6571  
Log likelihood -3684.023   -3683.871   -3679.925  
Chi-squared 881.210***   881.515***   889.405***  
  1. Exponentiated coefficients; 95% confidence intervals in brackets; * p < 0.10, ** p < 0.05, *** p < 0.01