Table 2.
Regression analysis between sleep duration, age, gender, and skin color/ethnicity with cardiometabolic risk in adolescents
| β | Cardiometabolic risk | |
|---|---|---|
| CI (95%) | ||
| Model 1 (AIC, 7381.388; BIC, 7433.909) | ||
| Sleep duration | ||
| Adequate | 1 | |
| Short time | 0.422 | (0.012; 0.833) |
| Long time | 0.906 | (0.098; 1.715) |
| Age | − 0.059 | (− 0.147; 0.029) |
| Gender | ||
| Male | 1 | |
| Female | 0.102 | (− 0.245; 0.449) |
| Skin color/ethnicity | ||
| White | 1 | |
| Black | − 0.990 | (− 1.673; − 0.307) |
| Brown/mulatto | − 0.419 | (− 0.945; 0.107) |
| Indigenous | 1.067 | (− 0.982; 3.116) |
| Yellow | − 1.029 | (− 3.186; 1.128) |
| Model 2 (AIC, 7383.571; BIC, 7446.596) | ||
| Sleep duration | ||
| Adequate | 1 | |
| Short time | 2.283 | (− 0.486; 5.053) |
| Long time | 0.729 | (− 4.842; 6.300) |
| Age | − 0.028 | (− 0.130; 0.075) |
| Sleep duration × age | ||
| Adequate × age | 1 | |
| Short time × age | − 0.145 | (− 0.357; 0.068) |
| Long time × age | 0.014 | (− 0.422; 0.450) |
| Model 3 (AIC, 7383.749; BIC, 7446.773) | ||
| Sleep duration | ||
| Adequate | 1 | |
| Short time | 0.293 | (− 0.309; 0.895) |
| Long time | 0.292 | (− 0.988; 1.573) |
| Gender | ||
| Male | 1 | |
| Female | − 0.002 | (− 0.412; 0.408) |
| Sleep duration × gender | ||
| Adequate × gender (ref. male) | 1 | |
| Short time × gender | 0.236 | (− 0.586; 1.058) |
| Long time × gender | 1.021 | (− 0.630; 2.671) |
| Model 4 (AIC, 7392.218; BIC, 7486.755) | ||
| Sleep duration | ||
| Adequate | 1 | |
| Short time | 0.525 | (0.062; 0.988) |
| Long time | 1.103 | (0.139; 2.068) |
| Skin color/ethnicity | ||
| White | 1 | |
| Black | − 0.861 | (− 1.708; − 0.014) |
| Brown/mulatto | − 0.300 | (− 0.932; 0.331) |
| Indigenous | 1.823 | (− 0.621; 4.267) |
| Yellow | − 0.281 | (− 2.915; 2.354) |
| Sleep duration × Skin color/ethnicity | ||
| Adequate × white | 1 | |
| Short time × black | − 0.260 | (− 1.813;1.293) |
| Short time × brown/mulatto | − 0.514 | (− 1.739; 0.712) |
| Short time × indigenous | − 2.339 | (− 7.522; 2.844) |
| Short time × yellow | − 0.401 | (− 5.674; 4.872) |
| Long time × black | − 0.845 | (− 3.447; 1.757) |
| Long time × brown/mulatto | 0.064 | (− 2.179; 2.308) |
| Long time × indigenous | − 2.982 | (− 9.927; 3.963) |
| Long time × yellow | − 6.057 | (− 13.070; 0.956) |
CI confidence interval, AIC Akaike information criterion, BIC Bayesian information criterion, β linear regression