Skip to main content

Table 5 Tobit regression model for school and club MVPA (mins/wk)

From: Physical activity and sedentary behavior among adolescents in rural South Africa: levels, patterns and correlates

  Coefficient SE 95% CI P
Individual characteristics     
Age category     
 11–12 years (ref) 0    
 14–15 years -166 108.2 -379, 47 0.126
BMI -2.2 6.5 -15, 11 0.732
Sex     
 Boy (ref) 0    
 Girl -265 39.5 -343, -187 0.000
Pubertal status     
 Pre-pubertal (ref) 0    
 Mid-pubertal -73 52 -176, 29 0.161
 Post-pubertal -123 132.6 -385, 138 0.353
Maternal characteristics     
Age -4.1 2.7 -9, 1 0.139
Nationality     
 South African (ref) 0    
 Mozambican 12.5 52.8 -92, 116 0.813
Education     
 Pre-school (ref) 0    
 Primary school -105.5 62.6 -229, 18 0.093
 Secondary school -171.6 79.4 -328, -15 0.032
Age category x maternal education 121.7 46.4 30, 213 0.009
Household characteristics     
Sex     
 Male (ref) 0    
 Female 25 42 -58, 108 0.552
Education     
 Pre-school (ref) 0    
 Primary school 66.3 50 -32,165 0.186
 Secondary school 5.7 59 -111, 122 0.923
Food security     
 Yes (ref) 0    
 No 55.7 49.9 -43, 154 0.265
SES (wealth index tertile)     
 Lowest (ref) 0    
 Medium 63.2 48.9 -33, 160 0.198
 Highest 128 51.6 27, 230 0.014
Community characteristics     
Area of residence     
 Predominantly South African (ref) 0    
 Predominantly Mozambican 41.4 80.2 -117, 200 0.606
  1. SE, standard error.