Contribution of CKD to mortality in middle-aged and elderly people with diabetes: the China Health and Retirement Longitudinal Study

Table 3 Cox Proportional Hazards Regression Models of CKD

Variable	HR	95% CI	P
Chronic kidney disease: Yes vs. No	1.921	1.438, 2.566	< 0.001
Onset age per year	1.058	1.043, 1.072	< 0.001
Sex: Male vs. Female	1.504	1.064, 2.125	0.021
Education: Primary or below vs. College or above	1.437	0.751, 2.747	0.273
Education: Middle school vs. College or above	1.393	0.688, 2.820	0.358
Education: High school vs. College or above	0.622	0.211, 1.838	0.391
Marital status: Married or partnered vs. Otherwise	0.718	0.519, 0.994	0.046
Smoking: Yes vs. No	1.316	0.946, 1.831	0.103
Drinking: Drink but less than once a month vs. Drink more than once a month	0.941	0.499, 1.773	0.850
Drinking: None vs. Drink more than once a month	1.581	1.121, 2.228	0.009
Hypertension: Yes vs. No	1.520	1.174, 1.969	0.002
Dyslipidemia: Yes vs. No	0.863	0.617, 1.207	0.389

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