Table 3.
Distribution of smartphone addiction and related variables.
| Smartphone | Disorder | ||
|---|---|---|---|
| Yes N = 251 | No N = 861 | P | |
| Total score of EAT-26 (Mean ± SD) | 10.0 ± 0.7 | 8.0 ± 0.2 | < 0.001*** |
| Depression and anxiety (n %) | < 0.001*** | ||
| Yes | 118 (47.0) | 278 (32.3) | - |
| No | 133 (53.0) | 583 (67.7) | - |
| Basic information of smartphone use | |||
| Smartphone addiction (Self report) (n %) | < 0.001*** | ||
| Yes | 199 (79.3) | 390 (45.3) | - |
| No | 52 (20.7) | 471(54.7) | - |
| Time to use smartphone weekday (h/day) (Mean ± SD) | 6.0 ± 0.2 | 5.3 ± 0.1 | < 0.001*** |
| Time to use smartphone weekend (h/day) (Mean ± SD) | 7.4 ± 0.2 | 6.5 ± 0.1 | < 0.001*** |
| Time to stay on the internet (h/day) (Mean ± SD) | 5.3 ± 0.2 | 4.6 ± 0.1 | < 0.001*** |
| Eating habits | |||
| Taste preferences (n %) | 0.857 | ||
| No | 83 (33.1) | 406 (47.2) | - |
| Yes | 168 (66.9) | 455(52.8) | - |
| Sour | 20 | 48 | - |
| sweet | 28 | 85 | - |
| spicy | 106 (42.2) | 290 (33.7) | 0.883 |
| salty | 14 | 32 | - |
| Skip breakfast (n %) | < 0.001*** | ||
| Yes | 133 (53.0) | 316 (36.7) | - |
| No | 118 (47.0) | 545 (63.3) | - |
| Number of main meals (times/day) (Mean ± SD) | 2.5 ± 0.1 | 2.5 ± 0.0 | 0.554 |
| Frequency of fast-food (times/week) (Mean ± SD) | 2.1 ± 0.1 | 1.9 ± 0.0 | 0.047* |
| Frequency of late-night snacks (times/month) (Mean ± SD) | 3.0 ± 0.1 | 2.9 ± 0.0 | 0.083 |
| Frequency of carbonated soft drink (times/day) (Mean ± SD) | 1.5 ± 0.0 | 1.3 ± 0.0 | < 0.01** |
| Physical activity and sleep habits | |||
| Sleep duration (h/day) (Mean ± SD) | 7.1 ± 0.1 | 7.2 ± 0.0 | 0.209 |
| Frequency of physical activity(day/week) (Mean ± SD) | 2.9 ± 0.1 | 2.9 ± 0.0 | 0.822 |
| Difficulty in falling asleep at night (n %) | < 0.001*** | ||
| Yes | 89 (35.5) | 164 (19.0) | - |
| No | 162 (64.5) | 697 (81.0) | - |
EAT-26: The Eating Attitudes Test-26. *p < 0.05, **p < 0.01, ***p < 0.0001. Mann–Whitney U-test and chi-square test analyses.