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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)

From: Prevalence and determinants of hypertension among pastoralists in Monduli District, Arusha region in Tanzania: a cross-sectional study

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

  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