Table 1.
Characteristics of the Sample, Stratified by Sleep Duration Category
| Sleep Duration Categories | |||||||
|---|---|---|---|---|---|---|---|
| Variable | Category | Overall Sample | Very Short Sleep (<5 Hours) | Short Sleep (5-6 Hours) | Normal Sleep (7-8 Hours) | Long Sleep (≥9 Hours) | χ2 p-value |
| N | 100% | 6.16% | 33.78% | 52.68% | 7.38% | ||
| Age | 18-24 | 11.04% | 10.28% | 6.93% | 10.89% | 21.45% | <.0001 |
| 25-44 | 36.98% | 37.84% | 38.18% | 37.28% | 27.35% | ||
| 45-64 | 36.04% | 35.88% | 41.77% | 38.10% | 22.50% | ||
| 65-79 | 12.02% | 12.30% | 9.93% | 10.56% | 18.63% | ||
| 80+ | 3.93% | 3.72% | 3.20% | 3.17% | 10.07% | ||
| Sex | Female | 48.37% | 48.56% | 44.59% | 50.66% | 38.30% | 0.0029 |
| Race/Ethnicity | Non-Hispanic White | 69.75% | 72.69% | 57.70% | 66.08% | 73.00% | <.0001 |
| Black/African-American | 11.17% | 8.16% | 22.27% | 14.64% | 10.22% | ||
| Mexican American | 8.22% | 9.26% | 4.40% | 7.07% | 8.31% | ||
| Other Hispanic/Latino | 4.95% | 4.699% | 6.53% | 5.07% | 5.20% | ||
| Asian/Other | 5.92% | 5.198% | 9.11% | 7.14% | 3.28% | ||
| Education | Less Than High School | 7.12% | 7.29% | 10.41% | 5.52% | 11.01% | <.0001 |
| Some High School | 13.38% | 11.69% | 20.26% | 14.41% | 16.86% | ||
| High School Graduate | 25.93% | 24.45% | 29.24% | 27.79% | 26.37% | ||
| Some College | 28.57% | 27.46% | 30.46% | 30.92% | 24.67% | ||
| College Graduate | 25.01% | 29.10% | 9.63% | 21.37% | 21.10% | ||
| Insurance | Uninsured | 19.63% | 18.71% | 22.20% | 20.63% | 20.24% | <.0001 |
| Public Insurance | 15.56% | 13.65% | 30.18% | 14.87% | 23.50% | ||
| Private Insurance | 64.81% | 67.64% | 47.62% | 64.50% | 56.26% | ||
| Smoking | Yes | 23.63% | 20.83% | 39.82% | 25.21% | 26.31% | <.0001 |
| Acculturation | English Only | 84.36% | 83.50% | 87.18% | 85.40% | 84.09% | 0.2364 |
| English & Spanish | 6.17% | 6.55% | 5.69% | 5.51% | 6.60% | ||
| Spanish Only | 4.93% | 5.42% | 2.61% | 4.31% | 5.83% | ||
| Other | 4.55% | 4.54% | 4.52% | 4.77% | 3.48% | ||
| Food Security | Full | 80.98% | 83.59% | 64.30% | 79.58% | 79.32% | <.0001 |
| Marginal | 7.43% | 6.92% | 14.36% | 7.20% | 7.29% | ||
| Low | 7.92% | 6.81% | 12.46% | 8.73% | 9.50% | ||
| Very Low | 3.68% | 2.69% | 8.88% | 4.49% | 3.88% | ||
| Caffeine Use | Yes | 89.33% | 90.24% | 88.49% | 88.54% | 86.41% | 0.1363 |
| Own Home | No | 29.71% | 27.82% | 37.80% | 30.84% | 33.48% | 0.0042 |
| Hypertension | Subjective | 29.72% | 27.25% | 45.09% | 30.93% | 32.17% | <.0001 |
| Objective | 37.85% | 35.85% | 45.57% | 39.40% | 40.68% | 0.0109 | |
| Hyperlipidemia | Subjective | 29.66% | 28.88% | 40.22% | 28.94% | 31.41% | 0.0079 |
| Objective | 33.20% | 32.29% | 41.47% | 32.43% | 38.11% | 0.0187 | |
| Diabetes | Subjective | 9.66% | 8.70% | 16.87% | 9.77% | 11.48% | 0.0005 |
| Objective | 27.51% | 25.63% | 32.48% | 28.98% | 31.94% | 0.0148 | |
| Obesity | Subjective | 30.09% | 28.14% | 37.91% | 33.32% | 24.14% | 0.0001 |
| Objective | 33.37% | 31.52% | 44.21% | 35.88% | 27.61% | 0.0001 | |