Table 2.
Factors associated with short (< 7 h/night) and recommended length (≥ 7 h/night) sleep duration at baseline
| Variable | Sleep duration < 7 h N = 199 (41.0%)  | 
Sleep duration ≥ 7 h N = 286 (59.0%)  | 
P | 
|---|---|---|---|
| Age | 0.447 | ||
| 18–34 | 69 (38.3%) | 111 (61.7%) | |
| 35–54 | 90 (41.1%) | 129 (58.9%) | |
| 55 + | 40 (46.5%) | 46 (53.5%) | |
| Community | < 0.0001 | ||
| African Immigrant/Refugee | 18 (21.4%) | 66 (78.6%) | |
| Black/African American | 60 (58.8%) | 42 (41.2%) | |
| American Indian/Alaska Native | 22 (29.7%) | 52 (70.27%) | |
| Hispanic/Latina | 44 (31.9%) | 94 (68.1%) | |
| Native Hawaiian Pacific Islander | 55 (63.2%) | 32 (36.8%) | |
| Education | 0.009 | ||
| < High school | 19 (25.3%) | 56 (74.7%) | |
| High school graduate | 51 (39.2%) | 79 (60.8%) | |
| > High school but not college graduate | 88 (48.1%) | 95 (51.9%) | |
| College graduate | 41 (42.3%) | 56 (57.7%) | |
| Employed outside the home | 0.0203 | ||
| Full-time | 82 (48.0%) | 89 (52.1%) | |
| Part-time, unemployed, other | 113 (37.1%) | 192 (63.0%) | |
| Missing | 4 (44.4%) | 5 (55.6%) | |
| Below federal poverty level | 78 (37.1%) | 132 (62.9%) | 0.070 | 
| Missing | 12 (33.3%) | 24 (66.7%) | |
| BMI | |||
| Mean (SD) | 34.1 (8.49) | 30.9 (7.10) | < 0.000a | 
| Underweight/normal weight (< 25) | 27 (31.8%) | 58 (68.2%) | 0.0028 | 
| Overweight (25–29.9) | 42 (32.8%) | 86 (67.2%) | |
| Obese (≥ 30) | 130 (47.8%) | 142 (52.2%) | |
| Sleep apnea | 24 (57.1%) | 18 (42.9%) | 0.0263 | 
| Diabetes | 27 (45.8%) | 32 (52.2%) | 0.4305 | 
| Hypertension | 44 (50.6%) | 43 (49.4%) | 0.0472 | 
| Pos PHQ-2 depression screen | 54 (27.1%) | 51 (17.8%) | 0.014 | 
| 5 + fruits & vegetables/day | 143 (41.3%) | 203 (58.7%) | 0.833 | 
| 150 + min physical activity/week | |||
| < 150 min physical activity | 116 (58.3%) | 42 (60.9%) | 0.908 | 
| 150 + min physical activity | 83 (41.7%) | 244 (85.3%) | |
| Self-reported sleep wellness—Mean, SD | 4.82 (2.1) | 7.66 (2.0) | < 0.0001a | 
| Self-reported stress management—Mean, SD | 5.65 (2.5) | 6.52 (2.5) | 0.0001a | 
| Interest in Sleep Improvement | 46 (80.7% | 11 (19.3%) | < .0001 | 
Values in bold are statistically significant
aWilcoxon Rank Sum (t approximation)