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Table 1 Percentages and factors associated with self-reported high blood pressure among women of reproductive age in Benin (n = 7712)

From: Prevalence and determinants of self-reported high blood pressure among women of reproductive age in Benin: a population-based study

VariableNumber of women (%)Number of women with high blood pressurePercentage (%) of women with high blood pressureUnadjusted OR (95%CI)Adjusted OR (95%CI)
Maternal age
 15–191623 (21.1)412.51.001.00
 20–241422 (18.4)886.22.54 (1.74–3.71)*0.82 (0.34–1.96)
 25–291488 (19.3)1379.23.91 (2.74–5.59)*0.95 (0.40–2.23)
 30–341029 (13.3)11311.04.76 (3.30–6.87)*1.21 (0.50–2.91)
 35–39942 (12.2)13814.66.62 (4.63–9.48)*1.46 (0.60–3.56)
 40–44613 (8.0)11819.39.20 (6.36–13.31)*2.22 (0.90–5.50)
 45–49595 (7.7)11619.59.34 (6.45–13.53)*2.73 (1.10–6.79)*
Place of residence
 Urban3431 (44.5)39711.61.00 
 Rural4281 (55.5)3548.30.69 (0.59–0.80)* 
Geographical region
 Alibori861 (11.2)505.81.001.00
 Atacora666 (8.6)152.30.37 (0.21–0.67)*0.23 (0.08–0.69)*
 Atlantic808 (10.5)10813.42.50 (1.76–3.55)*0.80 (0.43–1.47)
 Borgou858 (11.1)263.00.51 (0.31–0.82)*0.42 (0.22–0.78)*
 Collines716 (9.3)527.31.27 (0.85–1.90)0.89 (0.50–1.58)
 Couffo493 (6.4)7415.02.86 (1.96–4.18)*2.02 (1.09–3.73)*
 Donga451 (5.9)163.60.60 (0.34–1.06)0.25 (0.09–0.67)*
 Littoral661 (8.6)10716.23.13 (2.20–4.46)*1.65 (0.89–3.05)
 Mono398 (5.2)307.51.32 (0.83–2.11)0.79 (0.40–1.53)
 Oueme616 (8.0)12019.53.92 (2.77–5.56)*3.14 (1.80–5.47)*
 Plateau465 (6.0)7616.33.17 (2.17–4.62)*2.05 (1.19–3.50)*
 Zou719 (9.3)7710.71.95 (1.34–2.82)*1.29 (0.73–2.27)
Wealth index
 Poorest1468 (19.0)775.31.00 
 Poorer1528 (19.8)1127.31.43 (1.06–1.93)* 
 Middle1359 (17.6)1158.51.67 (1.24–2.25)* 
 Richer1538 (19.9)18111.82.41 (1.82–3.18)* 
 Richest1819 (23.6)26614.63.09 (2.38–4.03)* 
Maternal education
 No formal education4236 (54.9)4059.61.00 
 Primary1516 (19.7)17211.41.21 (1.01–1.46)* 
 Secondary1773 (23.0)1448.10.84 (0.69–1.02) 
 Tertiary187 (2.4)3016.01.81 (1.21–2.71)* 
Participation in labour force
 Working5833 (75.6)65611.32.38 (1.91–2.97)*0.72 (0.34–1.49)
 Not working1879 (24.4)955.11.001.00
Religion
 Christianity4230 (54.9)49711.81.001.00
 Islam2298 (29.8)1456.30.51 (0.42–0.61)*1.07 (0.75–1.52)
 Traditional and others1184 (15.3)1099.20.76 (0.61–0.95)*1.02 (0.74–1.40)
Neighbourhood socioeconomic disadvantaged status
 Tertile 1 (lowest)2563 (33.2)34113.31.001.00
 Tertile 22565 (33.3)26010.10.74 (0.62–0.87)*0.89 (0.67–1.20)
 Tertile 3 (highest)2584 (33.5)1505.80.40 (0.33–0.49)*0.70 (0.50–0.99)*
Women’s enlightenment level
 Low2837 (36.8)1946.81.001.00
 Moderate3042 (39.4)35811.81.82 (1.51–2.18)*1.41 (1.08–1.84)*
 High1833 (23.8)19910.91.66 (1.35–2.04)*1.20 (0.84–1.72)
Decision making power
 Low1358 (35.9)15711.61.001.00
 Moderate1751 (46.4)27715.81.44 (1.17–1.77)*1.05 (0.81–1.36)
 High668 (17.7)8813.21.16 (0.88–1.53)0.96 (0.68–1.35)
Number of children ever born
 1–21945 (25.2)20010.31.001.00
 3–41691 (21.9)20011.81.17 (0.95–1.44)0.99 (0.72–1.38)
  > 42027 (26.3)28314.01.42 (1.17–1.72)*0.97 (0.66–1.41)
 No birth2049 (26.6)683.30.30 (0.23–0.40)*1.17 (0.89–3.53)
Covered by health insurance
 Not covered7628 (98.9)7359.61.001.00
 Covered84 (1.1)1619.12.21 (1.27–3.82)*1.78 (0.89–3.53)
Watch television
 Not at all4777 (61.9)3928.21.00 
 Less than once a week1338 (17.4)16012.01.52 (1.25–1.85)* 
 At least once a week1597 (20.7)19912.51.59 (1.33–1.91)* 
Listen to radio
 Not at all3311 (42.9)2497.51.00 
 Less than once a week1648 (21.4)1619.81.33 (1.08–1.64)* 
 At least once a week2753 (35.7)34112.41.74 (1.46–2.06)* 
Ever used any method to delay pregnancy
 Yes2371 (30.7)31213.21.69 (1.45–1.97)*1.25 (0.99–1.58)
 No5341 (69.3)4398.21.001.00
Usage of cigarettes or tobacco products
 Use216 (2.8)83.71.001.00
 Not use7496 (97.2)7439.92.86 (1.41–5.82)*1.21 (0.41–3.61)
Age at first sex
  < 14525 (6.8)397.41.001.00
 14–173887 (50.4)3819.81.35 (0.96–1.91)1.11 (0.69–1.77)
  > 172364 (30.7)31913.51.94 (1.37–2.74)*1.07 (0.65–1.75)
 Not had sex936 (12.1)121.30.16 (0.08–0.31)*
Total lifetime number of sex partners
 13067 (45.5)2829.21.001.00
 22121 (31.4)24411.51.28 (1.07–1.54)*1.04 (0.80–1.34)
 3955 (14.2)12212.81.45 (1.15–1.81)*1.40 (1.01–1.94)*
  > 3603 (8.9)8514.11.62 (1.25–2.10)*1.53 (1.01–2.32)*
Distance to health facilities (kilometer)
 12400 (37.0)2339.71.001.00
 21148 (17.7)12110.51.10 (0.87–1.38)1.31 (0.97–1.77)
 3763 (11.7)8210.81.12 (0.86–1.46)1.24 (0.87–1.77)
  > 32184 (33.6)1697.70.78 (0.63–0.96)*1.11 (0.84–1.48)
  1. NB: Women’s enlightenment was retained in the adjusted logistic model in place of listening to radio, watching television and maternal education, while neighbourhood socioeconomic disadvantaged status was retained in the adjusted logistic model in place of household wealth index, place of residence and maternal education due to collinearity;
  2. *significant at p < 0.05