Variables | BMI | Univariate Analysis | |||
---|---|---|---|---|---|
Normal | Excessive bodyweight | Total | |||
No. (%) | No. (%) | No. (%) | Crude OR [95%CI] | P | |
Age | |||||
≤ 13 | 139 (74) | 49 (26) | 188 (23.6) | – | |
14 | 420 (74) | 146 (26) | 566 (71) | 0.99 [0.68,1.44] | 0.94 |
≥ 15 | 33 (77) | 10 (23) | 43 (5.4) | 0.86 [0.39,1.87] | 0.70 |
Sex | |||||
Female | 326 (80) | 84 (20) | 410 (51.4) | – | |
Male | 266 (69) | 121 (31) | 387 (48.6) | 1.77 [1.28,2.44] | 0.001 |
Dietary and Exercise factors | |||||
Moderate-to-vigorous physical activity | |||||
≤ 30 min/d | 185 (75) | 62 (25) | 247 (31) | – | |
> 30 min/d | 407 (74) | 143 (26) | 550 (69) | 1.05 [0.74,1.48] | 0.79 |
Sweeten food | 1.03 [0.89,1.2] | 0.65 | |||
Never | 172 (75) | 57 (25) | 229 (28.7) | ||
1–2 times/month | 165 (77) | 49 (23) | 214 (26.9) | ||
1–2 times/week | 147 (68) | 68 (32) | 215 (27) | ||
2–3 times/week | 68 (83) | 14 (17) | 82 (10.3) | ||
Every day | 18 (69) | 8 (31) | 26 (3.3) | ||
Unknown | 22 (71) | 9 (29) | 31 (3.9) | ||
BBQ and fried food | 1.1 [0.92,1.32] | 0.3 | |||
Never | 264 (78) | 76 (22) | 340 (42.7) | ||
1–2 times/month | 205 (71) | 85 (29) | 290 (36.4) | ||
1–2 times/week | 69 (73) | 26 (27) | 95 (11.9) | ||
2–3 times/week | 27 (82) | 6 (18) | 33 (4.1) | ||
Every day | 4 (57) | 3 (43) | 7 (0.9) | ||
Unknown | 23 (72) | 9 (28) | 32 (4) | ||
Snacks | 0.97 [0.85,1.11] | 0.67 | |||
never | 154 (73) | 57 (27) | 211 (26.5) | ||
1–2 times/month | 144 (74) | 51 (26) | 195 (24.5) | ||
1–2 times/week | 154 (77) | 45 (23) | 199 (25) | ||
2–3 times/week | 77 (72) | 30 (28) | 107 (13.4) | ||
Every day | 41 (76) | 13 (24) | 54 (6.8) | ||
Unknown | 22 (71) | 9 (29) | 31 (3.9) | ||
Family factors | |||||
Economic status | 0.89 [0.67,1.19] | 0.44 | |||
Lower | 199 (73) | 75 (27) | 274 (34.4) | ||
Medium | 260 (75) | 85 (25) | 345 (43.3) | ||
Higher | 30 (79) | 8 (21) | 38 (4.8) | ||
Unknown | 103 (74) | 37 (26) | 140 (17.6) | ||
Father’s BMI | |||||
Normal | 315 (78) | 87 (22) | 402 (50.4) | – | |
Overweight | 193 (67) | 93 (33) | 286 (35.9) | 1.74 [1.24,2.46] | 0.001 |
Underweight | 21 (88) | 3 (13) | 24 (3) | 0.52 [0.15,1.77] | 0.30 |
Unknown | 63 (74) | 22 (26) | 85 (10.7) | ||
Mother’s BMI | |||||
Normal | 418 (79) | 110 (21) | 528 (66.2) | – | |
Overweight | 60 (53) | 54 (47) | 114 (14.3) | 3.42 [2.24,5.22] | < 0.0001 |
Underweight | 63 (79) | 17 (21) | 80 (10) | 1.03 [0.58,1.82] | 0.932 |
Unknown | 51 (68) | 24 (32) | 75 (9.4) | ||
Parents’ encouragement for exercise | |||||
Less encourage | 324 (75) | 108 (25) | 432 (54.2) | – | |
More encourage | 200 (72) | 76 (28) | 276 (34.6) | 1.1 [0.79,1.55] | 0.57 |
Unknown | 68 (76) | 21 (24) | 89 (11.2) | ||
Father fitness time | |||||
Less | 286 (74) | 102 (26) | 388 (48.7) | – | |
More | 265 (74) | 91 (26) | 356 (44.7) | 0.97 [0.7,1.35] | 0.86 |
Unknown | 41 (77) | 12 (23) | 53 (6.6) | ||
Mother fitness time | |||||
Less | 306 (74) | 110 (26) | 416 (52.2) | – | |
More | 235 (76) | 75 (24) | 310 (38.9) | 0.91 [0.65,1.26] | 0.57 |
Unknown | 51 (72) | 20 (28) | 71 (8.9) | ||
Father’s history of smoking | |||||
No | 240 (75) | 82 (25) | 322 (55.3) | – | |
Yes | 325 (74) | 116 (26) | 441 (40.4) | 1.04 [0.75,1.45] | 0.79 |
Unknown | 27 (79) | 7 (21) | 34 (4.3) | ||
Mother’s history of smoking | |||||
No | 563 (74) | 193 (26) | 756 (0.8) | – | |
Yes | 6 (100) | 0 (0) | 6 (94.9) | N/A | |
Unknown | 23 (66) | 12 (34) | 35 (4.4) | ||
Students’ satisfaction towards living environment | |||||
Less satisfied | 37 (64) | 21 (36) | 58 (7.3) | – | |
More satisfied | 548 (75) | 180 (25) | 728 (91.3) | 0.59 [0.34,1.03] | 0.06 |
Unknown | 7 (64) | 4 (36) | 11 (1.4) | ||
Parents’ satisfaction towards living environment | |||||
less satisfied | 52 (74) | 18 (26) | 70 (8.8) | – | |
More satisfied | 477 (73) | 173 (27) | 650 (81.6) | 1.04 [0.6,1.8] | 0.88 |
Unknown | 63 (82) | 14 (18) | 77 (9.7) | ||
Environmental factors | |||||
Bus stops | |||||
≤ 20 | 189 (80) | 48 (20) | 237 (29.7) | – | |
> 20 | 403 (72) | 157 (28) | 560 (70.3) | 1.53 [1.06,2.21] | 0.022 |
Scenic spots | |||||
0–3 | 43 (81) | 10 (19) | 53 (6.6) | – | |
> 3 | 549 (74) | 195 (26) | 744 (93.4) | 1.53 [0.75,3.1] | 0.241 |
Sport venues | |||||
No | 1 (100) | 0 (0) | 1 (0.1) | – | |
Yes | 591 (74) | 205 (26) | 796 (99.9) | N/A | |
Casual spots | |||||
No | 4 (67) | 2 (33) | 6 (0.8) | – | |
Yes | 588 (74) | 203 (26) | 791 (99.2) | 0.69 [0.13,3.8] | 0.67 |
Food spots (median) | 362 [22,1068] | 372 [22,1031] | 362 [22,1068] | 1 [1,1] | 0.88 |
Total | 592 (74) | 205 (26) | 797 |