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. 2020 Oct 14;78:99. doi: 10.1186/s13690-020-00485-0

Table 4.

Linear regression of factors associated with levels of systolic and diastolic blood pressure among pastoral communities in Monduli district in Tanzania, 2020 (n = 510)

Variables Dependent variable (SBP) (mmHg) Dependent variable (DBP) (mmHg)
β (95% CI) R2 (%)a β (95% CI) R2 (%)a
Age (years) 4.06(2.7;5.42)*** 6.3 3.3(2.28;4.3)*** 7.5
Gender (Males) 4.01(0.84;7.18)* 1.2 −2.3(−2.6;2.1) < 0.1
Body mass index (kg/m2) 0.82(0.57;1.08)*** 7.5 0.62(0.43;0.81)*** 7.6
Waist circumference (cm) 0.28(0.18;0.38)*** 6.1 0.2(0.14;0.29)*** 6.1
Hip circumference (cm) 0.16(0.06;0.25)** 2.2 0.15(0.07;0.22)*** 3.2
Abdominal obesity (WHR) 31.1(15.9;46.3)*** 3.3 15.5(3.86;27.13)** 1.4
Metabolic time (MET/week) −0.19(−0.37;-0.01)* 0.8 −0.06(− 0.19;0.07) 0.1
Sedentary time (hours/day) 0.75(0.22;1.28)** 1.5 0.4(0.01;0.79)* 0.8
Income (Tsh) −0.2(−1.6;1.18) < 0.1 0.1(−0.9;1.15) < 0.1
Number of meals −0.39(− 0.41;3.24) < 0.1 − 1.97(−4.6;0.74) 0.4
Consumption of fruits b −1.93(−6.2; 2.3) 0.1 − 1.3(− 4.5;1.8) 0.1
Consumption of cereals b −17.4(−23.8;-11.0)*** 5.3 −6.6(− 11.5;-1.79)** 1.4
Consumption of fatty foods b 1.6(−1.85;5.16) 0.1 2.16(−4.5;4.77) 0.5
Dietary diversity score −0.05(− 0.78;-0.67) < 0.1 0.03(− 0.51;0.57) < 0.1

*P < .05, **P < .01, ***P < 0.001; β = Unadjusted Regression coefficient; CI confidence interval, a Coefficient of determination, b food groups coded as binary 0 = if not consumed and 1 = if consumed, SBP Mean systolic blood pressure, DBP Mean diastolic blood pressure, mmHg millimeter of mercury