Table 2 Prevalence of NCD behavioural risk factors in senior state secondary school students in Douala by gender
Variable | Overall | Female | Male | p-value | |
|---|---|---|---|---|---|
Number | 645 | 392 | 253 | Â | |
Inadequate knowledge (%) | 314 (48.7) | 196 (50.0) | 118 (46.6) | 0.452 | |
Drinks alcohol (%) | 270 (41.9) | 155 (39.5) | 115 (45.5) | 0.16 | |
Older than 13 at first alcoholic drink (%) | 242 (37.5) | 135 (34.4) | 107 (42.3) | 0.054 | |
Three or more drinks/day when drinking (%) | 24 (3.7) | 13 (3.3) | 11 (4.3) | 0.644 | |
Has been drunk or in trouble from drinking (%) | 156 (24.2) | 71 (18.1) | 85 (33.6) | < 0.001 | |
Poor diet (%) | 599 (92.9) | 361 (92.1) | 238 (94.1) | 0.425 | |
Low physical activity (%) | 510 (79.1) | 319 (81.4) | 191 (75.5) | 0.09 | |
Frequency of walk/cycle to school (%) | Â | Â | Â | 0.749 | |
 Everyday | 364 (56.4) | 219 (55.9) | 145 (57.3) |  | |
 Never | 149 (23.1) | 89 (22.7) | 60 (23.7) |  | |
 Somedays | 132 (20.5) | 84 (21.4) | 48 (19.0) |  | |
Frequency of school sports (%) | Â | Â | Â | 0.004 | |
 Most days | 69 (10.7) | 31 (7.9) | 38 (15.0) |  | |
 Never | 194 (30.1) | 131 (33.4) | 63 (24.9) |  | |
 Somedays | 382 (59.2) | 230 (58.7) | 152 (60.1) |  | |
Sedentary (%) | 321 (50.0) | 192 (49.2) | 129 (51.2) | 0.686 | |
Has ever experimented with smoking (%) | 73 (11.3) | 30 (7.7) | 43 (17.0) | < 0.001 | |
Currently smokes (%) | 19 (2.9) | 8 (2.0) | 11 (4.3) | 0.146 | |
Has high blood pressure (%) | 26 (4.0) | 9 (2.3) | 17 (6.7) | 0.01 | |
Nutrition status (%) |  |  |  | < 0.001 | |
 Severely thin | 5 (0.8) | 2 (0.5) | 3 (1.2) |  | |
 Thin | 55 (8.5) | 24 (6.1) | 31 (12.3) |  | |
 Normal | 467 (72.4) | 264 (67.3) | 203 (80.2) |  | |
 Overweight | 96 (14.9) | 80 (20.4) | 16 (6.3) |  | |
 Obesity | 22 (3.4) | 22 (5.6) | 0 (0.0) |  | |