Characteristic | Model 1 | Model 2 | Model 3 | ||||||
---|---|---|---|---|---|---|---|---|---|
Interactiona | Low economic status | High economic status | |||||||
OR | P-value | 95%CI | OR | P-value | 95%CI | OR | P-value | 95%CI | |
Health states | |||||||||
 None chronic condition | 0.12 | < 0.001 | 0.06–0.27 | 0.11 | < 0.001 | 0.05–0.24 | 0.39 | 0.020 | 0.05–0.24 |
 One chronic condition | 0.42 | 0.010 | 0.22–0.81 | 0.38 | 0.005 | 0.20–0.75 | 0.61 | 0.100 | 0.33–1.10 |
 Multimorbidity (ref) | 1.0 |  |  | 1.0 |  |  | 1.0 |  |  |
 Multimorbidity+ frailty | 3.87 | 0.047 | 1.02–14.71 | 4.64 | 0.027 | 1.19–18.2 | 2.76 | 0.062 | 0.95–8.00 |
Sex | |||||||||
 Male | 1.0 |  |  | 1.0 |  |  | 1.0 |  |  |
 Female | 1.34 | 0.249 | 0.81–2.2 | 0.96 | 0.920 | 0.47–1.97 | 1.54 | 0.221 | 0.77–3.32 |
Age (Years) | 1.04 | 0.003 | 1.02–1.08 | 1.08 | 0.001 | 1.04–1.13 | 1.01 | 0.481 | 0.97–1.06 |
Educational attainment | |||||||||
 Illiterate | 1.0 |  |  | 1.0 |  |  | 1.0 |  |  |
 Primary school | 1.01 | 0.946 | 0.67–1.52 | 1.05 | 0.864 | 0.58–1.90 | 0.99 | 0.985 | 0.55–1.79 |
 Middle school or above | 0.65 | 0.192 | 0.34–1.24 | 0.48 | 0.233 | 0.13–1.63 | 0.78 | 0.534 | 0.36–1.69 |
Cigarette smoking | |||||||||
 Never smoker | 1.0 |  |  | 1.0 |  |  | 1.0 |  |  |
 Current smoker | 0.65 | 0.121 | 0.37–1.12 | 0.74 | 0.486 | 0.31–1.73 | 0.56 | 0.133 | 0.27–1.19 |
 Former smoker | 2.21 | 0.070 | 0.94–5.22 | 2.79 | 0.065 | 0.94–8.31 | 2.66 | 0.112 | 0.79–8.89 |
Alcohol drinking | |||||||||
 No | 1.0 |  |  | 1.0 |  |  | 1.0 |  |  |
 Yes | 2.60 | 0.113 | 0.79–8.52 | 0.48 | 0.052 | 0.23–1.01 | 0.57 | 0.154 | 0.26–1.24 |
Physical exercise | |||||||||
 No | 1.0 |  |  | 1.0 |  |  | 1.0 |  |  |
 Yes | 1.00 | 0.990 | 0.68–1.47 | 1.35 | 0.277 | 0.78–2.33 | 0.79 | 0.426 | 0.46–1.39 |
Inpatient service | |||||||||
 No | 1.0 |  |  | 1.0 |  |  | 1.0 |  |  |
 Yes | 2.89 | < 0.001 | 1.81–4.59 | 1.63 | 0.189 | 0.79–3.37 | 4.11 | < 0.001 | 2.21–7.66 |
Household economic statusb | |||||||||
 Low(Q1/Q2) | 1.0 |  |  |  |  |  |  |  |  |
 High(Q3/Q4) | 0.87 | 0.684 | 0.44–1.72 |  |  |  |  |  |  |
Health states× Household economic status | |||||||||
 None chronic condition× High | 3.12 | 0.040 | 1.05–9.26 |  |  |  |  |  |  |
 One chronic condition× High | 1.39 | 0.457 | 0.58–3.34 |  |  |  |  |  |  |
 Multimorbidity× High | 1.0 |  |  |  |  |  |  |  |  |
  (Multimorbidity +frailty) × High | 0.70 | 0.684 | 0.13–3.84 |  |  |  |  |  |  |