Table 3.

Effects of temperature and relative humidity and on CVD during 2002–2018, by subgroups models.

Dependent variables	Having hypertension (No*)	Having heart disease (No*)	Having stroke (No*)
	OR [95% CI]	OR [95% CI]	OR [95% CI]
Model 1: Males only
Average temperature in the past year	0.97 [0.96, 0.98]***	0.94 [0.92, 0.96]***	0.95 [0.93, 0.97]***
Average relative humidity in the past year	0.998 [0.99, 1.004]	1.000 [0.99, 1.01]	0.991 [0.98, 1.002]
Covariates	√	√	√
Model 2: Females only
Average temperature in the past year	0.97 [0.96, 0.98]***	0.93 [0.92, 0.95]***	0.96 [0.94, 0.98]***
Average relative humidity in the past year	0.994 [0.99, 1.00]*	0.99 [0.98, 0.998]**	0.993 [0.98, 1.004]
Covariates	√	√	√
Model 3: Urban residents
Average temperature in the past year	0.97 [0.96, 0.98]***	0.95 [0.93, 0.97]***	0.97 [0.95, 0.99]**
Average relative humidity in the past year	0.995 [0.99, 1.002]	0.996 [0.99, 1.01]	0.998 [0.99, 1.01]
Covariates	√	√	√
Model 4: Rural residents
Average temperature in the past year	0.97 [0.96, 0.98]***	0.92 [0.90, 0.93]***	0.94 [0.92, 0.96]***
Average relative humidity in the past year	0.994 [0.99, 1.00]**	0.998 [0.99, 1.01]	0.989 [0.98, 1.00]*
Covariates	√	√	√
Model 5: 0 year schooling samples
Average temperature in the past year	0.96 [0.95, 0.98]***	0.92 [0.91, 0.94]***	0.95 [0.93, 0.97]***
Average relative humidity in the past year	0.997 [0.99, 1.002]	0.990 [0.98, 1.00]*	0.99 [0.97, 0.997]**
Covariates	√	√	√
Model 6: 1+ year schooling samples
Average temperature in the past year	0.97 [0.96, 0.98]***	0.95 [0.93, 0.96]***	0.96 [0.94, 0.98]***
Average relative humidity in the past year	0.995 [0.99, 1.00]*	0.997 [0.99, 1.01]	0.996 [0.99, 1.01]
Covariates	√	√	√

^*p < 0.10.

^**p < 0.05.

^***p < 0.01.

OR, odds ratio; CI, confidence interval.

Generalized estimation equation (GEE) were used. All samples are included. Covariates are the same as in Table 2, the Odds ratios of which are not listed.