Table 3.
Multiple logistic regression analysis between total scores and demographic or lifestyle.
| Total scores† | 0–12 | 13–24 | β coefficient | Odds ratio [95% CI] | P-value |
|---|---|---|---|---|---|
| Total number | 786 | 439 | |||
| Gender | 0.151 | 1.16 [0.89–1.52] | .27 | ||
| Male | 392 (49.9) ‡ | 199 (45.3) | |||
| Female | 394 (50.1) | 240 (54.7) | |||
| Age | 0.191 | 1.21 [1.13–1.29] | <.001 | ||
| 11 yr | 326 (41.5) | 95 (21.6) | |||
| 12 yr | 165 (21.0) | 61 (13.9) | |||
| 14 yr | 127 (16.1) | 116 (26.4) | |||
| 16 yr | 168 (21.4) | 167 (38.1) | |||
| Sleep duration | −0.799 | 0.45 [0.34 − 0.59] | <.001 | ||
| <7 hrs | 296 (37.7) | 290 (66.1) | |||
| ≥7 hrs | 490 (62.3) | 149 (33.9) | |||
| Extracurricular sports activity | 0.089 | 1.09 [0.98–1.21] | .087 | ||
| Every day | 383 (48.7) | 179 (40.8) | |||
| Few times/week | 128 (16.3) | 60 (13.7) | |||
| Once/week | 103 (13.1) | 50 (11.3) | |||
| Rarely | 172 (21.9) | 150 (34.2) | |||
| Food balance score | 12.6 [12.4–12.7] § | 12.1 [11.8–12.2] | −0.152 | 0.86 [0.80–0.92] | <.001 |
| Snacks between regular meals | −0.137 | 0.87 [0.77–0.98] | <.05 | ||
| Every day | 59 (7.5) | 52 (11.9) | |||
| Few times/week | 85 (10.8) | 54 (12.3) | |||
| Once/week | 133 (16.9) | 85 (19.4) | |||
| Rarely | 509 (64.8) | 248 (56.4) | |||
| Sugar-sweetened beverage | −0.223 | 0.79 [0.66–0.97] | <.05 | ||
| Every day | 79 (10.1) | 75 (17.1) | |||
| Sometimes | 404 (51.4) | 218 (49.7) | |||
| Rarely | 303 (38.5) | 146 (33.2) | |||
| Visits to the nurse's room | 0.767 | 2.15 [1.51–3.07] | <.001 | ||
| No | 701 (89.2) | 348 (79.3) | |||
| Yes | 85 (10.8) | 91 (20.7) | |||
| BMI | 18.6 [18.3–18.9] § | 19.4 [18.8–19.8] § | 0.018 | 1.02 [0.95–1.09] | .62 |
†total scores = physical fatigue scores + mental fatigue scores
‡ Numbers in parentheses indicate the percentages
§ Mean and 95% CI are shown.