Table 2 Energy drink consumption and sleep duration (in hours)
From: Sleep and energy drink consumption among Norwegian adolescents – a cross-sectional study
Unadjusted | Adjusted | |||
|---|---|---|---|---|
Coefficient | 95% CI | Coefficient | 95% CI | |
Energy drink frequency | ||||
Never | Reference | Reference | ||
Seldom | −0.19 | −0.34, −0.04 | −0.14 | −0.29, 0.00 |
1–3 times a month | −0.37 | −0.54, −0.20 | −0.32 | −0.49, −0.15 |
Once a week | −0.50 | −0.73, −0.27 | −0.48 | −0.71, −0.25 |
2–3 times a week | −0.77 | −1.01, −0.53 | −0.75 | −0.99, −0.50 |
≥ 4 times a week | −1.13 | −1.46, −0.80 | −0.95 | −1.28, −0.61 |
Sex | ||||
Male | Reference | Reference | ||
Female | −0.06 | −0.18, 0.06 | −0.20 | −0.32, −0.07 |
Perceived family economy | ||||
Poor | Reference | Reference | ||
Medium | 0.04 | −0.31, 0.39 | −0.12 | − 0.45, 0.21 |
Good | 0.22 | −0.11, 0.56 | 0.01 | −0.31, 0.34 |
Physical activity | ||||
Never | Reference | Reference | ||
Once a week | 0.31 | 0.04, 0.57 | 0.21 | −0.05, 0.47 |
2–3 times a week | 0.26 | 0.02, 0.50 | 0.10 | −0.13, 0.33 |
4–6 times a week | 0.39 | 0.15, 0.63 | 0.18 | −0.05, 0.42 |
Every day | 0.66 | 0.38, 0.94 | 0.36 | 0.08, 0.64 |
Leisure screen time | ||||
≤ 2 h | Reference | Reference | ||
3–5 h | −0.26 | −0.39, −0.12 | −0.17 | −0.30, −0.03 |
> 5 h | −0.71 | −0.88, 0.55 | −0.56 | −0.73, −0.40 |