Table 2.

Linear regression models of risks for obstructive sleep apnea (OSA) (risk score) and log-aldosterone level

Exposure	Unadjusted model			Adjusted modela
Risk score	Log-aldosterone	Confidence interval	P-trend	Log-aldosterone	Confidence interval	P-trend
0	1.40	1.35–1.46	0.040	1.40	1.35–1.45	0.049
1	1.49	1.45–1.52		1.49	1.45–1.52
2	1.50	1.47–1.54		1.50	1.47–1.54
3	1.54	1.50–1.58		1.54	1.50–1.58
4	1.52	1.47–1.58		1.52	1.47–1.58
5	1.65	1.55–1.74		1.64	1.55–1.73
6	1.61	1.43–1.80		1.61	1.42–1.79

^aModel adjusted for age and gender.