| Overall | Sex | p-value | School type | p-value | ||
---|---|---|---|---|---|---|---|
 |  | Female | Male |  | Private | Public |  |
Breakfast | Â | Â | Â | 0.343 | Â | Â | 0.001 |
 No | 152 (28.0) | 95 (28.0) | 57 (27.9) |  | 59 (21.7) | 93 (34.3) |  |
 2–3 days/week | 93 (17.1) | 64 (18.9) | 29 (14.2) |  | 41 (15.1) | 52 (19.2) |  |
 3 or more times/week | 298 (54.9) | 180 (53.1) | 118 (57.8) |  | 172 (63.2) | 126 (46.5) |  |
Fruits | Â | Â | Â | 0.069 | Â | Â | 0.213 |
 No/rarely | 46 (8.5) | 23 (6.8) | 23 (11.3) |  | 19 (7.0) | 27 (10.0) |  |
 3 or more times/week | 497 (91.5) | 316 (93.2) | 181 (88.7) |  | 253 (93.0) | 244 (90.0) |  |
Vegetables | Â | Â | Â | 0.084 | Â | Â | 0.808 |
 No/rarely | 68 (12.5) | 36 (10.6) | 32 (15.7) |  | 35 (12.9) | 33 (12.2) |  |
 3 or more times/week | 475 (87.5) | 303 (89.4) | 172 (84.3) |  | 237 (87.1) | 238 (87.8) |  |
Chips, sweets, chocolates | Â | Â | Â | 0.107 | Â | Â | 0.009 |
 No/rarely | 199 (36.7) | 133 (39.2) | 66 (32.4) |  | 85 (31.3) | 114 (42.1) |  |
 3 or more times/week | 344 (63.3) | 206 (60.8) | 138 (67.6) |  | 187 (68.7) | 157 (57.9) |  |
Fried foods |  |  |  | 0.357 |  |  | < 0.0001 |
 No | 156 (28.7) | 109 (32.1) | 47 (23.0) |  | 89 (32.7) | 67 (24.7) |  |
 2–3 times/week | 124 (22.8) | 71 (20.9) | 53 (26.0) |  | 30 (11.0) | 94 (34.7) |  |
 More than 3 times/week | 263 (48.4) | 159 (46.9) | 104 (51.0) |  | 153 (56.3) | 110 (40.6) |  |
Sweetened beverages and soft drinks |  |  |  | 0.787 |  |  | < 0.0001 |
 No | 104 (19.1) | 68 (20.1) | 36 (17.7) |  | 46 (16.9) | 58 (21.4) |  |
 2–3 times/week | 149 (27.4) | 92 (27.1) | 57 (27.9) |  | 55 (20.2) | 94 (34.7) |  |
 More than 3 times/week | 290 (53.4) | 179 (52.8) | 111 (54.4) |  | 171 (62.9) | 149 (43.9) |  |
Mean physical activity score b | 2.56 ± 0.56 | 2.55 ± 0.54 | 2.57 ± 0.61 | 0.652 | 2.52 ± 0.57 | 2.60 ± 0.57 | 0.116 |
Physical activity level | Â | Â | Â | 0.388 | Â | Â | 0.995 |
 Low | 91 (16.8) | 52 (15.3) | 39 (19.1) |  | 46 (16.9) | 45 (16.6) |  |
 Moderate | 444 (81.8) | 283 (83.5) | 161 (78.9) |  | 222 (81.6) | 222 (81.9) |  |
 High | 8 (1.4) | 4 (1.2) | 4 (2.0) |  | 4 (1.5) | 4 (1.5) |  |
Meeting PA guidelines | Â | Â | Â | 0.065 | Â | Â | 0.006 |
 No | 357 (65.8) | 213 (62.8) | 144 (70.6) |  | 194 (71.3) | 163 (60.1) |  |
 Yes | 186 (34.2) | 126 (37.2) | 60 (29.4) |  | 78 (28.7) | 108 (39.9) |  |
Transport to and from school |  |  |  | 0.362 |  |  | < 0.0001 |
 Walking/cycling | 330 (60.8) | 201 (59.3) | 129 (63.2) |  | 138 (50.7) | 192 (70.9) |  |
 Motorised | 213 (39.2) | 138 (40.7) | 75 (36.8) |  | 134 (49.3) | 79 (29.1) |  |
TV Watch duration | Â | Â | Â | 0.177 | Â | Â | 0.056 |
 2 h or less/day | 337 (62.1) | 203 (59.9) | 134 (65.7) |  | 158 (58.1) | 179 (66.1) |  |
 More than 2 h/day | 206 (37.9) | 136 (40.1) | 70 (34.3) |  | 114 (41.9) | 92 (33.9) |  |
Playing video/ computer games | Â | Â | Â | 0.030 | Â | Â | 0.449 |
 No/rarely | 330 (60.8) | 218 (64.3) | 112 (54.9) |  | 161 (59.2) | 169 (62.4) |  |
 3 times or more/week | 213 (39.2) | 121 (35.7) | 92 (45.1) |  | 111 (40.8) | 102 (37.6) |  |
Sleep duration | Â | Â | Â | 0.810 | Â | Â | 0.074 |
 Less than 9 h | 130 (23.9) | 80 (23.60) | 50 (24.5) |  | 74 (27.2) | 56 (20.7) |  |
 9 h or more | 413 (76.1) | 259 (76.4) | 154 (75.5) |  | 198 (72.8) | 215 (79.3) |  |