Table 3. Risk factors for pre-hypertension or hypertension analyzed by Modified Poisson Regression (Risk ratio and 95% CI).

	RR (95%CI)	P value
Age (years)	1.02 (1.01–1.03)	<0.001
Gender*
Women	1.0
Men	2.3 (1.9–2.8)	<0.001
Skin color*
Non white	1.0
White	0.9 (0.7–1.2)	0.4
Marital status*		0.08
Single	1.0
Married	1.4 (0.9–2.1)
Divorced/widow	1.5 (1.0–2.1)
Years at school*	0.9 (0.9–1.0)	0.2
Smoking		0.06
Never or ex-smoker	1.0
Current	1.6 (1.0–2.6)
Binge drinking*		0.08
No	1.0
Yes	1.4 (1.0–2.0)
Sleeping (hours)*	0.96 (0.93–0.99)	0.04
BMI (kg/m2)*		<0.001
<25.0	1.0
≥25.0	1.9 (1.5–2.4)
Shift**		0.9
Morning and/or afternoon	1.0
Afternoon and evening	1.0 (0.8–1.2)
Night	1.0 (0.8–1.3)
Shift**		0.7
Day	1.0
Night	1.0 (0.8–1.3)

*RR adjusted for age.

**RR adjusted for all above variables.