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. 2015 Sep 25;10(9):e0138991. doi: 10.1371/journal.pone.0138991

Table 3. Crude and adjusted prevalence risk ratio estimates for hypertension.

Variable/Category - n - # hypertensive (%) Crude PRR [95% CI] Adjusted PRR Ѱ [95% CI]
Urban-rural Rural 2849 735 (25.8%) 1.00 1.00
Urban 1057 298 (28.2%) 1.02 [0.88–1.18] 1.01 [0.88–1.17]
Region Northern 744 173 (23.3%) 1.00 1.00
Central 1260 359 (28.5%) 1.07 [0.88–1.31] 1.05 [0.85–1.28]
Eastern 960 253 (26.4%) 1.03 [0.83–1.27] 0.99 [0.80–1.22]
Western 942 248 (26.3%) 1.06 [0.86–1.31] 1.03 [0.84–1.26]
Sex: Females 2336 589 (25.2%) 1.00 1.00
Males 1570 444 (28.3%) 1.09 [0.95–1.25] 1.14 [1.00–1.31]
Age (yrs): 18–19 336 36 (10.7%) 1.00 1.00
20–29 1291 253 (19.6%) 1.83 [1.23–2.74] 1.77 [1.19–2.62]
30–39 1000 236 (23.6%) 2.29 [1.53–3.42] 2.08 [1.40–3.10]
40–49 622 197 (31.7%) 2.87 [1.92–4.29] 2.55 [1.71–3.79]
≥50 657 (311 (47.3%) 4.08 [2.76–6.02] 3.57 [2.43–5.25]
Education None 639 192 (30.1%) 1.00 1.00
Primary Sch 1603 414 (25.8%) 0.83 [0.69–0.99] 0.99 [0.83–1.18]
Secondary sch 1287 313 (24.3%) 0.79 [0.65–0.96] 0.99 [0.82–1.21]
Univ. or higher 362 106 (29.3%) 0.87 [0.67–1.12] 1.06 [0.82–1.38]
Ethnicity Nyankole 445 99 (22.3%) 1.00 1.00
Ganda 761 219 (28.8%) 1.14 [0.88–1.48] 1.10 [0.86–1.42]
Soga 315 77 (24.4%) 1.27 [0.92–1.73] 1.26 [0.94–1.69]
Nyoro/Toro 253 82 (33.6%) 1.13 [0.66–1.93] 1.04 [0.62–1.74]
Kiga 254 71 (28.0%) 1.25 [0.90–1.72] 1.16 [0.84–1.60]
Lugbara/ Madi 245 63 (25.7%) 1.25 [0.90–1.72] 1.34 [0.97–1.84]
Other 1633 419 (25.7%) 1.18 [0.94–1.50] 1.17 [0.93–1.47]
BMI (kg/m2) < 25.0 2863 702 (24.5%) 1.00 1.00
25.0–29.9 590 214 (36.3%) 1.45 [1.24–1.70] 1.46 [1.25–1.71]
≥ 30.0 236 101 (42.8%) 1.76 [1.42–2.19] 1.60 [1.29–1.99]
FPG b (mmol/L) < 6.1 3500 906 (25.9%) 1.00 1.00
6.1–6.9 78 28 (35.9%) 1.20 [0.81–1.78] 1.13 [0.78–1.64]
≥ 7.0, or on DM Rx c 44 21 (47.7%) 1.73 [1.13–2.66] 1.30 [0.86–1.97]
Met WHO d recommendation for physical activity No 221 70 (31.7%) 1.00 1.00
Yes 3685 963 (26.1%) 0.82 [0.63–1.06] 0.94 [0.73–1.20]
Tobacco use: Never 3242 832 (25.7%) 1.00 1.00
Stopped 248 79 (31.9%) 1.20 [0.96–1.49] 1.09 [0.85–1.39]
Current user 336 98 (29.2%) 1.29 [1.00–1.66] 1.00 [0.80–1.26]
Alcohol use: Never 2058 496 (24.1%) 1.00 1.00
Currently not using 793 215 (27.1%) 1.08 [0.90–1.30] 0.98 [0.82–1.17]
Low user 489 139 (28.4%) 1.17 [0.89–1.53] 1.04 [0.79–1.37]
Medium user 121 32 (26.5%) 1.23 [0.85–1.80] 1.26 [0.89–1.79]
High user 444 151 (34.0%) 1.31 [1.07–1.59] 1.20 [0.99–1.46]
Add salt to food during meals Never 1234 357 (28.9%) 1.00 1.00
Rarely 819 216 (26.4%) 0.92 [0.76–1.11] 0.94 [0.78–1.12]
Sometimes 1055 269 (25.5%) 0.87 [0.73–1.04] 0.93 [0.78–1.10]
Often 336 82 (24.4%) 0.74 [0.57–0.96] 0.82 [0.63–1.06]
Always 461 109 (23.6%) 0.84 [0.66–1.08] 0.88 [0.70–1.11]
Fruit and Veg servings/ day 1–4 3265 842 (25.8%) 1.00 1.00
≥ 5 480 137 (28.5%) 1.03 [0.82–1.28] 1.04 [0.84–1.28]

ѰAdjusted for: region, sex, age, ethnicity, BMI, and alcohol use

aBMI = Body Mass Index

bFPG = Fasting plasma glucose

cDM Rx = Diabetes Mellitus Treatment

dWHO = World Health Organization