Table 3.
Body Mass Index & Waist Circumference by Sleep Duration in both crude and adjusted ANOVA models
| Overall | Sleep Duration | ||||||
|---|---|---|---|---|---|---|---|
| Very Short Sleepers <6 hrsa | Short Sleepers ≥6-<7 hrsb | Recommended Sleepers ≥7 – ≤9 hrsc | Long Sleepers >9 hrsd | F-statistic/p (Unadjusted) | F-statistic/p (Adjusted) e | ||
| BMI | 36.4±7.6 | 37.5±7.1b,c,d | 35.7±7.4a,d | 35.6±7.5a,d | 40.8±9.7a,b,c | 5.90/ <.001* | 4.12/ <.001* |
| WC | 106.8±15.5 | 108.7±14.5b | 104.7±15.4a,d | 106.1±16.1d | 114.5±21.1b,c | 4.15/ .006* | 2.99/ .004* |
Note. Data expressed Mean±SD. BMI: body mass index; WC: waist circumference.
a,b,c,d
Represents significant pairwise difference from corresponding group via Fisher’s least significant difference test.
e
BMI adjusted for income and employment; WC adjusted for birthplace, education, employment, and income.