Table 1 Socio-demographic and behavioural characteristics of participants presented by gender, population group and overall
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 |