Table 3.
Logistic regression on energy drink consumption
| Variables | Categories | aOR | 95 % CI | P |
|---|---|---|---|---|
| Sleep duration | 8 h or more | Ref. | ||
| 7–8 h | 1·12 | 1·03, 1·23 | 0·0079 | |
| 6–7 h | 1·38 | 1·26, 1·51 | <0·0001 | |
| 5–6 h | 1·62 | 1·48, 1·78 | <0·0001 | |
| Less than 5 h | 2·36 | 2·14, 2·60 | <0·0001 | |
| Sleep satisfaction | Sufficient | Ref. | ||
| Just enough | 1·07 | 1·01, 1·14 | 0·0261 | |
| Not enough | 1·14 | 1·07, 1·21 | 0·0001 | |
| Sex | Boys | Ref. | ||
| Girls | 0·76 | 0·72, 0·80 | <0·0001 | |
| School year | Middle school (14–16 years old) | Ref. | ||
| High school (17–19 years old) | 1·07 | 1·01, 1·14 | 0·0321 | |
| Subjective academic performance | Medium and above | Ref. | ||
| Mid-low and lower | 1·12 | 1·06, 1·18 | <0·0001 | |
| Subjective economic status | Low | Ref. | ||
| Middle | 0·99 | 0·93, 1·06 | 0·7701 | |
| High | 1·10 | 1·03, 1·19 | 0·0068 | |
| Subjective health status | Good | Ref. | ||
| Normal | 1·11 | 1·05, 1·17 | 0·0001 | |
| Bad | 1·14 | 1·05, 1·23 | 0·0023 | |
| Perceived stress | Less stressed | Ref. | ||
| More stressed | 1·25 | 1·18, 1·33 | <0·0001 | |
| BMI (kg/m2) | Normal weight | Ref. | ||
| Underweight | 0·94 | 0·86, 1·03 | 0·1741 | |
| Overweight and obesity | 1·07 | 1·02, 1·13 | 0·0119 | |
| Asthma history | No | Ref. | ||
| Yes | 1·07 | 0·98, 1·16 | 0·1148 | |
| Physical activity | 0 | Ref. | ||
| 1–3 | 1·18 | 1·12, 1·24 | <0·0001 | |
| 4–5 | 1·20 | 1·11, 1·29 | <0·0001 | |
| 6–7 | 1·35 | 1·24, 1·47 | <0·0001 |