Table 2: Bivariate logistic regression models of factors associated with physical activity.

- Moderately Active Vigorously Active
Variable RRR 95% CIs p-value RRR 95% CIs p-value
Age (years)
15 to 19 Ref - - - - -
20 to 24 1.0 0.8-1.3 0.834 0.7 0.6-0.8 < 0.001
25 to 49 0.8 0.7-0.9 0.020 0.3 0.3-0.4 < 0.001
50+ 0.8 0.7-1 0.087 0.2 0.1-0.2 < 0.001
Gender
Male Ref - - - - -
Female 0.7 0.6-0.8 < 0.001 0.3 0.3-0.4 < 0.001
Race group
Black African Ref - - - - -
Others 2.3 1.9-2.7 < 0.001 1.2 1.1-1.4 0.002
Marital status
Not Married Ref - - - - -
Married 1.3 1.1-1.5 0.001 0.7 0.6-0.7 < 0.001
Education level
No education/Primary Ref - - - - -
Secondary 1.4 1.2-1.7 < 0.001 1.4 1.2-1.6 < 0.001
Tertiary 2.5 1.8-3.4 < 0.001 1.5 1.2-1.8 < 0.001
Employment status
Unemployed Ref - - - - -
Employed 1.3 1.1-1.5 < 0.001 1.1 1-1.2 0.276
Asset based SES
Low SES Ref - - - - -
Middle SES 1.7 1.4-2.0 < 0.001 1.2 1.1-1.4 0.005
High SES 3.4 2.8-4.2 < 0.001 1.9 1.6-2.2 < 0.001
Locality type
Urban formal Ref - - - - -
Urban informal 0.4 0.3-0.6 < 0.001 0.8 0.6-0.9 0.015
Rural informal 0.4 0.3-0.5 < 0.001 0.8 0.6-0.9 < 0.001
Rural formal 0.8 0.5-1.5 0.576 0.7 0.5-0.9 0.026
Health
Good Ref - - - - -
Fair/Poor 0.7 0.6-0.9 < 0.001 0.4 0.3-0.5 < 0.001
Chronic condition
No Ref - - - - -
Yes 1.0 0.9-1.2 0.798 0.5 0.5-0.6 < 0.001
Alcohol use
None/Non-excessive Ref - - - - -
Excessive 1.4 1.0-2.0 0.030 1.6 1.3-2.0 < 0.001
Medical aid
Yes Ref - - - - -
No 0.4 0.3-0.6 < 0.001 0.6 0.5-0.7 < 0.001

RRR-Relative risk ratios; CI-Confidence Intervals.

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