Table 2.

Energy drink consumption and sleep duration (in hours)

	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

R²: 11.2%