Table 4. Unadjusted and adjusted prevalence ratio (PR) for hypertension in adults and older adults according to health risk categories by the combination matrix between BMI and WC and the waist-to-height ratio among men and women. Brazil, 2009.

Variable	Men		Women
	Unadjusted PR (95%CI)	Adjusted PR* (95%CI)	Unadjusted PR (95%CI)	Adjusted PR* (95%CI)
Adults
Combination Matrix (BMI and WC)
Low risk	1.00	1.00	1.00	1.00
Moderate risk	1.87 (1.53–2.28)	1.68 (1.36–2.07)	1.68 (1.34–2.11)	1.35 (1.07–1.71)
High risk	2.81 (2.35–3.37)	2.42 (1.99–2.94)	2.98 (2.55–3.49)	2.11 (1.79–2.50)
Waist-to-height ratio (WHR)
Low risk	1.00	1.00	1.00	1.00
Increased risk	2.44 (2.04–2.92)	2.01 (1.67–2.42)	2.86 (2.36–3.46)	1.70 (1.39–2.08)
Older adults
Combination Matrix (BMI and WC)
Low risk	1.00	1.00	1.00	1.00
Moderate risk	1.29 (1.05–1.57)	1.26 (1.03–1.54)	1.34 (1.10–1.62)	1.32 (1.08–1.60)
High risk	1.57 (1.34–1.84)	1.56 (1.33–1.84)	1.34 (1.15–1.57)	1.29 (1.10–1.51)
Waist-to-height ratio (WHR)
Low risk	1.00	1.00	1.00	1.00
Increased risk	1.70 (1.28–2.25)	1.71 (1.28–2.29)	1.63 (1.19–2.26)	1.53 (1.10–2.12)

BMI: body mass index; WC: waist circumference

* Adjustment for age, schooling, income, smoking, marital status, and leisure-time physical activity.