Variables | Frequency | (%) | Good sleep quality (%) | p-value | Very good sleep efficiency (%) | p-value |
---|---|---|---|---|---|---|
Gender | ||||||
Girls | 1235 | (53.2) | 32.5 | 0.08 | 94.2 | 0.96 |
Boys | 1071 | (46.8) | 37.1 | 94.2 | ||
Highest level of parental education | ||||||
No school/Elementary school | 63 | (3.0) | 30.3 | <0.001 | 92.2 | 0.18 |
Secondary/college | 1391 | (59.0) | 32.6 | 94.4 | ||
University | 792 | (38.0) | 39.8 | 95.2 | ||
Region of elementary school | ||||||
Metropolitan | 612 | (49.0) | 36.5 | 0.30 | 94.7 | 0.63 |
City | 781 | (16.3) | 32.9 | 94.1 | ||
Rural/town | 941 | (34.7) | 33.7 | 93.5 | ||
Household income | ||||||
< $50,000 (Low) | 385 | (19.7) | 22.9 | <0.001 | 94.0 | 0.60 |
$50,001 - $100,000 (Middle) | 614 | (26.6) | 32.7 | 94.4 | ||
> $100,000 (High) | 684 | (28.2) | 35.1 | 94.2 | ||
Don’t know/Prefer not to answer* | 575 | (25.5) | 38.4 | 94.7 | ||
Weight category** | ||||||
Thinness grade 3 | 20 | (0.9) | 21.5 | ***0.10 | 100.0 | ***0.53 |
Thinness grade 2 | 49 | (2.1) | 38.0 | 89.6 | ||
Thinness grade 1 | 233 | (10.1) | 35.9 | 94.5 | ||
Normal | 1503 | (65.0) | 36.2 | 94.9 | ||
Overweight | 399 | (17.3) | 29.8 | 92.8 | ||
Obese | 48 | (2.1) | 22.5 | 94.3 | ||
Morbid Obese | 3 | (0.1) | 26.6 | 100.0 | ||
Total daily exposure to devices (hours) | ||||||
< 2 | 438 | (18.8) | 37.4 | 0.07 | 96.4 | 0.06 |
2.0 | 1045 | (44.1) | 36.8 | 94.5 | ||
3.5 | 48 | (2.2) | 33.9 | 89.5 | ||
4.0 | 264 | (12.1) | 32.7 | 93.8 | ||
5.0 | 201 | (9.5) | 28.4 | 92.5 | ||
5.5 | 318 | (13.3) | 30.4 | 92.5 |