|
Characteristics
|
Overall
|
Gender
|
Population groups
|
P for population group* gender*
|
|---|
|
Male
|
Female
|
P-value
|
Coloured
|
Black
|
White
|
P-value
|
|---|
|
Number, n (%)
|
1559 (100)
|
619 (39.7)
|
940 (60.3)
| |
877 (56.3)
|
537 (34.5)
|
145 (9.3)
| | |
|
Mean age, years (SD)
|
12.9 ± 2.5
|
13.0 ± 2.6
|
12.8 ± 2.5
|
0.226
|
12.7 ± 2.6
|
12.9 ± 2.5
|
14.0 ± 2.0
|
<0.0001
|
0.001
|
|
Age group (years), n (%)
| | | |
0.165
| | | |
<0.0001
|
<0.0001
|
|
7–9
|
185 (11.9)
|
77 (12.4)
|
108 (11.5)
| |
127 (14.5)
|
51 (9.5)
|
7 (4.8)
| | |
|
10–12
|
483 (31.0)
|
172 (27.8)
|
311 (33.1)
| |
285 (32.5)
|
183 (34.1)
|
15 (10.3)
| | |
|
13–15
|
626 (40.1)
|
257 (41.5)
|
369 (39.2)
| |
317 (36.1)
|
209 (38.9)
|
100 (69.0)
| | |
|
16–18
|
265 (17.0)
|
113 (18.3)
|
152 (16.2)
| |
148 (16.9)
|
94 (17.5)
|
23 (15.9)
| | |
|
Location, n (%)
| | | |
0.043
| | | |
<0.0001
|
<0.0001
|
|
Rural
|
142 (9.5)
|
44 (7.4)
|
98 (10.9)
| |
138 (16.7)
|
4 (0.7)
|
-
| | |
|
Semi-urban
|
448 (29.9)
|
197 (33.1)
|
251 (27.8)
| |
249 (30.1)
|
199 (37.8)
|
-
| | |
|
Urban
|
908 (60.6)
|
355 (59.5)
|
553 (61.3)
| |
441 (53.2)
|
324 (61.5)
|
143 (100)
| | |
|
Behavioural risk factors,
n (%)
|
|
Physical inactivity**,
|
423 (27.1)
|
159 (25.7)
|
264 (28.1)
|
0.297
|
252 (28.7)
|
119 (22.2)
|
52 (35.9)
|
0.001
|
0.003
|
|
Sedentary behaviour***,
|
1303 (83.6)
|
507 (81.9)
|
796 (84.7)
|
0.004
|
709 (80.8)
|
469 (87.3)
|
125 (86.2)
|
0.148
|
0.007
|
|
Smoking
|
122 (7.9)
|
71 (11.5)
|
51 (5.4)
|
<0.0001
|
85 (9.9)
|
16 (3.0)
|
21 (14.5)
|
<0.0001
|
<0.0001
|
|
Alcohol consumption
|
223 (14.4)
|
111 (17.9)
|
112 (11.9)
|
0.001
|
128 (14.7)
|
51 (9.6)
|
44 (30.3)
|
<0.0001
|
<0.0001
|
|
Dietary Diversity Score ≤ 4
|
667 (43.8)
|
269 (44.6)
|
398 (43.3)
|
0.616
|
371 (43.7)
|
273 (51.6)
|
23 (16.0)
|
<0.0001
|
<0.0001
|
- 21 missing (10 males; 11 females); (15 Coloured; 6 Black learners)
- *P-value for the interaction of population group and gender; **participating in sport and/or walking on ≤2 days/week; ***television watching 3–5 days/week
