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. 2015 Sep 10;10(9):e0137408. doi: 10.1371/journal.pone.0137408

Table 4. Risk factors associated with hypertension in rural area.

Hypertensive Total p cOR CI 95% aOR CI 95%
n (%) N
Age (years) <0.0001
15–17 27 (8.5%) 317 0.52 0.33–0.79 0.45 0.28–0.71
18–25 118 (15.1%) 779 1 - 1 -
26–35 184 (20.8%) 886 1.47 1.14–1.89 1.61 1.23–2.14
36–45 192 (27.4%) 701 2.11 1.63–2.73 2.36 1.77–3.16
46–55 179 (38.6%) 464 3.52 2.68–4.62 4.05 2.99–5.51
56–65 165 (55.0%) 300 6.85 5.08–9.26 7.76 5.56–10.90
More than 65 years old 114 (65.5%) 174 10.64 7.39–15.47 11.81 7.79–18.07
Sex 0.67
Male 460 (27.4%) 1679
Female 519 (26.7%) 1942
Occupation * <0.0001
Activity with ongoing income 761 (27.9%) 2731 1 1
Jobless 32 (19.8%) 162 0.637 0.42–0.93
Housewives/househusbands 121 (25.3%) 479 0.875 0.69–1.09
Students 16 (9.9%) 162 0.284 0.16–0.46
Retired or enable (for other reason…) 47 (56.0%) 84 3.288 2.12–5.12
Education <0.0001
Never in school 109 (35.0%) 311 1 1
Previously but not currently in school 854 (27.1%) 3148 0.69 0.541–0.884
Currently in school 16 (9.9%) 162 0.20 0.112–0.349
Marital status ** <0.0001
Single 116 (16.4%) 706 1 1 1 -
Married 469 (26.8%) 1747 1.87 1.49–2.35 0.62 0.46–0.83
Cohabitation 200 (27.4%) 730 1.91 1.49–2.45 0.77 0.56–1.06
Divorced 81 (38.4%) 211 3.17 2.25–4.46 1.01 0.67–1.51
Separated 15 (26.8%) 56 1.86 0.97–3.40 0.62 0.30–1.20
Widower 97 (57.1%) 170 6.76 4.71–9.75 0.89 0.56–1.41
Socio-economic level 0.6
Poorest 162 (26.3%) 616
Poor 183 (27.6%) 663
Middle 177 (24.9%) 710
Rich 214 (27.7%) 772
Richest 243 (28.3%) 860
Risks 0.0001
Low 494 (24.3%) 2035 1 1 1 -
Moderate 433 (30.2%) 1435 1.35 1.15–1.57 1.38 1.17–1.62
High 52 (34.4%) 151 1.64 1.14–2.31 1.67 1.14–2.42
Dizziness 0.66
Yes 497 (27.4%) 1815
No 482 (26.7%) 1806
Tinnitus 0.4
Yes 515 (27.7%) 1862
No 464 (26.4%) 1759
Headache on waking 0.006
Yes 362 (29.9%) 1209 1 1 1 -
No 617 (25.6%) 2412 0.80 0.69–0.93 0.81 0.69–0.96
Epistaxis 0.4
Yes 110 (25.3%) 435
No 869 (27.3%) 3186
Diabetes 0.16 #
Yes 8 (44.4%) 18
No 227 (25.9%) 878
Unknown 744 (27.3%) 2725

*3 missing values,

**1 missing value,

#fisher exact test.