Univariate analysis | Multivariate analysis | |||||||
---|---|---|---|---|---|---|---|---|
OR | 95 % CI | P | ORa | 95 % CI | P | |||
Sex | ||||||||
Male | 1.00 | ref | 1.00 | ref | ||||
Female | 1.05 | 1.04–1.05 | <0.001 | 1.00 | 1.00–1.01 | 0.513 | ||
Age group (years) | ||||||||
≤ 9 | 1.00 | ref | 1.00 | ref | ||||
10–19 | 3.35 | 3.27–3.43 | <0.001 | 3.50 | 3.41–3.58 | <0.001 | ||
20–29 | 5.10 | 4.98–5.21 | <0.001 | 5.19 | 5.07–5.32 | <0.001 | ||
30–39 | 8.10 | 7.92–8.28 | <0.001 | 7.72 | 7.55–7.90 | <0.001 | ||
40–49 | 11.02 | 10.77–11.26 | <0.001 | 9.58 | 9.36–9.81 | <0.001 | ||
50–59 | 10.61 | 10.36–10.86 | <0.001 | 8.39 | 8.18–8.60 | <0.001 | ||
60–69 | 6.05 | 5.90–6.20 | <0.001 | 4.67 | 4.54–4.80 | <0.001 | ||
≥ 70 | 1.17 | 1.72–1.84 | <0.001 | 1.64 | 1.58–1.70 | <0.001 | ||
Household income | ||||||||
First quintile | 1.00 | ref | 1.00 | ref | ||||
Second quintile | 1.11 | 1.09–1.13 | <0.001 | 1.02 | 1.00–1.04 | 0.029 | ||
Third quintile | 1.15 | 1.14–1.17 | <0.001 | 1.10 | 1.08–1.12 | <0.001 | ||
Fourth quintile | 1.22 | 1.20–1.23 | <0.001 | 1.18 | 1.16–1.20 | <0.001 | ||
Fifth quintile | 1.49 | 1.47–1.51 | <0.001 | 1.37 | 1.35–1.39 | <0.001 | ||
Insurance status | ||||||||
MAP | 1.00 | ref | 1.00 | ref | ||||
NHIS, employees | 2.66 | 2.58–2.74 | <0.001 | 1.93 | 1.86–2.00 | <0.001 | ||
NHIS, self-employed | 2.42 | 2.34–2.50 | <0.001 | 1.65 | 1.59–1.71 | <0.001 | ||
Health status | ||||||||
Healthy | 1.00 | ref | 1.00 | ref | ||||
Major disability | 0.54 | 0.51–0.56 | <0.001 | 0.61 | 0.58–0.64 | <0.001 | ||
Minor disability | 1.14 | 1.10–1.17 | <0.001 | 0.94 | 0.91–0.97 | <0.001 | ||
Living area | ||||||||
Urban | 1.00 | ref | 1.00 | ref | ||||
Rural | 0.77 | 0.76–0.78 | <0.001 | 0.85 | 0.83–0.86 | <0.001 |