Table 5.

Effects of categorical temperature and relative humidity on CVD: Odds ratios (OR) from hierarchical GEE models.

Dependent variables	Having hypertension (No*)	Having heart disease (No*)	Having Stroke (No*)
	OR [95% CI]	OR [95% CI]	OR [95% CI]
Average temperature in the past year
Very low: < 12°C (ref.)	1.00	1.00	1.00
Low: 12–14.99°C	0.77 [0.70, 0.85]***	0.63 [0.55, 0.72]***	0.77 [0.66, 0.90]***
Middle: 15–16.99°C	0.70 [0.64, 0.77]***	0.69 [0.60, 0.81]***	0.80 [0.67, 0.96]**
High: 17–19.99°C	0.71 [0.64, 0.78]***	0.64 [0.54, 0.75]***	0.69 [0.57, 0.84]***
Very high: ≥20°C	0.56 [0.50, 0.62]***	0.39 [0.32, 0.48]***	0.55 [0.43, 0.69]***
Average relative humidity in the past year
Very low: < 60 (ref.)	1.00	1.00	1.00
Low: 60–69.99	1.00 [0.92, 1.09]	0.94 [0.83, 1.05]	0.92 [0.80, 1.05]
Middle: 70–74.99	1.01 [0.91, 1.12]	0.90 [0.78, 1.04]	0.77 [0.64, 0.93]***
High: 75–79.99	0.91 [0.82, 1.01]*	0.80 [0.68, 0.93]***	0.77 [0.64, 0.94]***
Very high: ≥80	0.94 [0.83, 1.06]	0.68 [0.57, 0.82]***	0.75 [0.60, 0.93]***
Covariates	√	√	√

Note: The same as Table 3.