Table 2.
The comparison of lifestyles behaviours of students between inner urban and peri-urban high schools in Chongqing, China (n=1481)
| Variables | Total population | Inner urban (n=678) | Peri-urban (n=803) | χ2 | P value |
| Physical activity before or after school or on weekends | |||||
| <1 hour | 1398 (94.4) | 631 (93.1) | 767 (95.5) | 4.17 | 0.04 |
| ≥1 hour | 83 (5.6) | 47 (6.9) | 36 (4.5) | ||
| Physical activity at school | |||||
| <1 hour | 1192 (80.5) | 547 (80.7) | 645 (80.3) | 0.03 | 0.86 |
| ≥1 hour | 289 (19.5) | 131 (19.3) | 158 (19.7) | ||
| Sleep time on weekdays | |||||
| <8 hours | 1321 (89.2) | 643 (94.8) | 678 (84.4) | 41.30 | <0.001 |
| ≥8 hours | 160 (10.8) | 35 (5.2) | 125 (15.6) | ||
| Sleep time on weekends | |||||
| <8 hours | 437 (29.5) | 171 (25.2) | 266 (33.1) | 11.04 | <0.001 |
| ≥8 hours | 1044 (70.5) | 507 (74.8) | 537 (66.9) | ||
| Screen time on weekdays | |||||
| ≥2 hours | 276 (18.6) | 157 (23.2) | 119 (14.8) | 16.85 | <0.001 |
| <2 hours | 1205 (81.4) | 521 (76.8) | 684 (85.2) | ||
| Screen time on weekends | |||||
| ≥2 hours | 1208 (81.6) | 581 (85.7) | 627 (78.1) | 14.16 | <0.001 |
| <2 hours | 273 (18.4) | 97 (14.3) | 176 (21.9) | ||
| Sugar-sweetened beverages | |||||
| ≥5 times/week | 343 (23.2) | 174 (25.7) | 169 (21.1) | 51.30 | <0.001 |
| 3–4 times/week | 333 (22.5) | 169 (24.9) | 164 (20.4) | ||
| 1–2 times/week | 401 (27.1) | 211 (31.1) | 190 (23.6) | ||
| <Once/week | 404 (27.3) | 124 (18.3) | 280 (34.9) | ||
| Breakfast | |||||
| <5 times/week | 240 (16.2) | 110 (16.2) | 130 (16.2) | 0.00 | 0.99 |
| ≥5 times/week | 1241 (83.8) | 568 (83.8) | 673 (83.8) | ||
| Lunch | |||||
| <5 times/week | 56 (3.8) | 14 (2.1) | 42 (5.2) | 10.12 | 0.001 |
| ≥5 times/week | 1425 (96.2) | 664 (97.9) | 761 (94.8) | ||
| Dinner | |||||
| <5 times/week | 309 (20.9) | 155 (22.9) | 154 (19.2) | 3.02 | 0.08 |
| ≥5 times/week | 1172 (79.1) | 523 (77.1) | 649 (80.8) | ||
| Vegetables | |||||
| <Once/day | 310 (20.9) | 156 (23.0) | 154 (19.2) | 3.26 | 0.07 |
| ≥Once/day | 1171 (79.1) | 522 (77.0) | 649 (80.8) | ||
| Fruit | |||||
| <Once/day | 853 (57.6) | 349 (51.5) | 504 (62.8) | 19.18 | <0.001 |
| ≥Once/day | 628 (42.4) | 329 (48.5) | 299 (37.2) | ||
| Milk and milk alternatives | |||||
| <Once/day | 849 (57.3) | 290 (42.8) | 559 (69.6) | 108.26 | <0.001 |
| ≥Once/day | 632 (42.7) | 388 (57.2) | 244 (30.4) | ||
| Meeting water intake recommendation | |||||
| No | 1207 (81.5) | 544 (80.2) | 663 (82.6) | 1.32 | 0.25 |
| Yes | 274 (18.5) | 134 (19.8) | 140 (17.4) | ||
| Meeting egg intake recommendation | |||||
| No | 1141 (77.0) | 508 (74.9) | 633 (78.8) | 3.17 | 0.08 |
| Yes | 340 (23.0) | 170 (25.1) | 170 (21.2) | ||