Table 2. Chi-square test to assess the overweight and obesity and its association with nutrition behavior factors: Sex-specific trend.
| Characteristics | Sex | Body Weight-status |
χ2 | p-value | |||
| Underweightn (%) | Healthyn (%) | Overweightn (%) | Obesityn (%) | ||||
| Sex | |||||||
| Boys | 444 (18.2) | 1319 (54.1) | 455 (18.7) | 219 (9.0) | 26.99 | <0.001 | |
| Girls | 247 (14.8) | 860 (51.5) | 342 (20.5) | 222 (13.3) | |||
| Breakfast | |||||||
| Dose not eat | Boys | 9 (20.9) | 17 (39.5) | 7 (16.3) | 10 (23.3) | 5.18 | 0.159 |
| Girls | 12 (15.2) | 34 (43.0) | 20 (25.3) | 13 (16.5) | |||
| Usually eat | Boys | 72 (17.6) | 199 (48.5) | 83 (20.2) | 56 (13.7) | 7.58 | 0.055 |
| Girls | 73 (12.9) | 273 (48.1) | 120 (21.1) | 102 (18.0) | |||
| Always eat | Boys | 363 (18.3) | 1103 (55.6) | 365 (18.4) | 153 (7.7) | 26.85 | <0.001 |
| Girls | 162 (15.8) | 553 (54.0) | 202 (19.7) | 107 (10.4) | |||
| Fruits | |||||||
| <once/week | Boys | 171 (16.4) | 565 (54.2) | 214 (20.5) | 93 (8.9) | 14.30 | 0.013 |
| Girls | 78 (13.4) | 302 (52.0) | 115 (19.8) | 86 (14.8) | |||
| 1–2 times/week | Boys | 201 (19.7) | 561 (54.9) | 170 (16.7) | 89 (8.7) | 17.88 | <0.001 |
| Girls | 124 (15.9) | 408 (52.2) | 153 (19.6) | 97 (12.4) | |||
| ≥3 times/week | Boys | 72 (19.3) | 193 (51.7) | 71 (19.0) | 37 (9.9) | 25.74 | <0.001 |
| Girls | 45 (14.6) | 150 (48.7) | 74 (24.0) | 39 (12.7) | |||
| Vegetables | |||||||
| <once/week | Boys | 106 (16.6) | 321 (50.2) | 131 (20.5) | 81 (12.7) | 70.03 | <0.001 |
| Girls | 53 (7.8) | 265 (39.1) | 172 (25.4) | 188 (27.7) | |||
| 1–2 times/week | Boys | 218 (19.4) | 627 (55.9) | 193 (17.2) | 84 (7.5) | 11.60 | 0.009 |
| Girls | 117 (17.3) | 385 (56.8) | 146 (21.5) | 30 (4.4) | |||
| ≥3 times/week | Boys | 120 (17.8) | 371 (54.9) | 131 (19.4) | 54 (8.0) | 45.50 | <0.001 |
| Girls | 77 (24.4) | 210 (66.7) | 24 (7.6) | 4 (1.3) | |||
| Soft drinks | |||||||
| <once/week | Boys | 279 (18.8) | 857 (57.7) | 279 (18.8) | 71 (4.8) | 53.79 | <0.001 |
| Girls | 133 (14.6) | 497 (54.6) | 163 (17.9) | 117 (12.9) | |||
| 1–2 times/week | Boys | 123 (20.0) | 346 (56.2) | 126 (20.5) | 21 (3.4) | 51.23 | <0.001 |
| Girls | 89 (15.5) | 266 (46.3) | 138 (24.0) | 82 (14.3) | |||
| ≥3 times/week | Boys | 42 (12.5) | 116 (34.6) | 50 (14.9) | 127 (37.9) | 39.63 | <0.001 |
| Girls | 25 (13.4) | 97 (52.2) | 41 (22.0) | 23 (12.4) | |||
| Fast food | |||||||
| <once/week | Boys | 318 (19.1) | 947 (56.7) | 312 (18.7) | 92 (5.5) | 31.99 | <0.001 |
| Girls | 187 (16.8) | 637 (57.2) | 214 (19.2) | 76 (6.8) | |||
| 1–2 times/week | Boys | 96 (18.3) | 298 (56.8) | 84 (16.0) | 47 (9.0) | 11.36 | 0.010 |
| Girls | 51 (14.2) | 175 (48.7) | 79 (22.0) | 54 (15.0) | |||
| ≥3 times/week | Boys | 30 (12.3) | 74 (30.5) | 59 (24.3) | 80 (32.9) | 14.16 | 0.003 |
| Girls | 9 (4.5) | 48 (24.2) | 49 (24.7) | 92 (46.5) | |||
| Total | 691 (16.8) | 2179 (53.0) | 797 (19.4) | 441 (10.7) | |||