Table 5.

Crude and adjusted prevalence ratios for systemic arterial hypertension according to explanatory variables in adults from the semi-arid region, state of Pernambuco, Brazil, 2015

Variables	n	Systemic arterial hypertension				p-value§
		Crude analysis		Adjusted analysis
		PR	95%CI	PR	95%CI
Age (years)
20 – 29	13	1.00		1.00
30 – 39	20	1.05	0.97 – 1.13	1.05	0.97 – 1.13	0.214
40 – 49	25	1.24	1.12 – 1.36	1.24	1.12 – 1.36	0.000
50 – 59	56	1.42	1.31 – 1.53	1.42	1.31 – 1.53	0.000
Economic class*
Upper or middle	45	1.00		1.00
Lower	69	1.12	1.05 – 1.20	1.09	1.02 – 1.17	0.007
Active smoking†
Never smoked	54	1.00		1.00
Smoker or ex-smoker	60	1.31	1.22 – 1.41	1.11	1.02 – 1.22	0.023
BMI‡
Not overweight	29	1.00		1.00
Overweight	76	1.09	1.02 – 1.17	1.21	1.07 – 1.37	0.003
Fasting blood glucose‡
Normal	56	1.00		1.00
Reduced glucose tolerance and/or DM	30	1.31	1.19 – 1.44	1.15	1.03 – 1.27	0.012

PR: prevalence ratio; 95%CI: 95% confidence interval; BMI: body mass index; DM: diabetes mellitus; PR 1.00 - reference;

^*adjusted for age, schooling, and employment status;

^†adjusted for age, schooling, employment status, economic class, passive smoking, and physical activity level;

^‡adjusted for age, schooling, employment status, economic class, passive smoking, physical activity level, BMI, WC, waist-to-height ratio, and fasting blood glucose;

^§Poisson regression with robust variance.