Skip to main content

Table 3 Relationship between age, gender, body mass index and sociodemographic factors with prevalence of hypertension among primary school children in Dar es Salaam, Tanzania

From: Elevated blood pressure among primary school children in Dar es salaam, Tanzania: prevalence and risk factors

Variable Unadjusted RR
(95% CI)
P value Adjusted RRa
(95% CI)
P value
Age
  ≤ 10 years Ref   Ref  
  > 10 years 5.46 (1.60–8.62) 0.0067 3.63 (1.03–7.82) 0.0450
Gender
 Girls Ref   Ref  
 Boys 1.08 (0.70–1.67) 0.7318 1.07 (0.70–1.61) 0.7604
BMI (kg/m2)
 Underweight 1.07 (0.52–2.19)   1.22 (0.59–2.51)  
 Normal Ref   Ref  
 Overweight 1.21 (0.14–6.46) 0.8602 1.82 (0.21–5.73) 0.5885
 Obese 1.29 (0.07–2.87)   2.21 (0.12–3.67)  
Place of residence
 Rural Ref   Ref  
 Urban 1.44 (0.59–3.53) 0.4250 0.99 (0.37–2.61) 0.9795
Number of adults in family
 Less than 6 adults Ref   Ref  
 6 and above adults 0.94 (0.39–2.28) 0.8909 1.13 (0.47–2.74) 0.7817
Number of children
 Less than 3 children Ref   Ref  
 3 and above children 0.43 (0.18–1.03) 0.0581 0.47 (0.19–1.18) 0.1076
Pocket money for school
  ≤ 500 Tanzanian shillings Ref   Ref  
  > 500 Tanzanian shillings 1.49 (0.59–3.73) 0.3936 0.98 (0.39–2.47) 0.9673
  1. RR Risk Ratio, BMI Body Mass Index, CI Confidence interval
  2. aRisk ratio adjusted for age, gender, place of residence, BMI, number of adults and children in the family, pocket money and BMI category