Table 1 Sample descriptive statistics at baselinea
From: Obesity trends and risk factors in the South African adult population
Variable | N | Median/percentage | IQR/frequency | Range |
|---|---|---|---|---|
Men | 10100 | 37.81 % | 3819 | |
Age [years] | 10099 | 38 | [26 ; 52] | [18 ; 101] |
Race | 10100 | |||
Black | 81.07 % | 8188 | ||
Coloured | 14.31 % | 1445 | ||
White | 3.38 % | 341 | ||
Asian | 1.25 % | 126 | ||
Education | 10091 | |||
None | 15.61 % | 1575 | ||
Primary (1 – 7 years) | 25.07 % | 2530 | ||
Secondary (8 – 12 years) | 51.17 % | 5164 | ||
Tertiary (>12 years) | 8.15 % | 822 | ||
Urban | 10100 | 54.02 % | 5456 | |
Quintile of household income per capita | 10100 | |||
I (0-217 ZARb) | 15.39 % | 1554 | ||
II (218 - 345 ZAR) | 16.82 % | 1669 | ||
III (346 - 531 ZAR) | 18.82 % | 1901 | ||
IV (532 - 992 ZAR) | 22.84 % | 2307 | ||
V (993 - 62343 ZAR) | 26.13 % | 2639 | ||
Urban | 10100 | 54.02 % | 5456 | |
Current smoking | 9138 | 20.09 % | 1845 | |
Current use of alcohol | 9191 | 22.48 % | 2066 | |
Exercise frequency | 9159 | |||
Low (<once a week) | 79.40 % | 7272 | ||
Moderate (1/2 times a week) | 9.95 % | 911 | ||
High (>2 times a week) | 10.66 % | 976 | ||
Waist circumference [cm] | 8376 | 85.55 | [76.03 ; 98.05] | [30.40 ; 197.30] |
BMI [kg/m2] | 8177 | 25.18 | [21.48 ; 30.85] | [10.61 ; 59.22] |
BMI category | 8177 | |||
Underweight | 5.38 % | 440 | ||
Normal weight | 43.44 % | 3552 | ||
Overweight | 23.08 % | 1887 | ||
Obese | 28.10 % | 2298 |