Table 2.
Multinominal Logistic Regression of Sleep Deficiency a (N = 3870).
| Short duration & good quality | Normal duration & poor quality | Short duration & poor quality | ||||
|---|---|---|---|---|---|---|
| RRR (95% CI) | p | RRR (95% CI) | p | RRR (95% CI) | p | |
| Caregiving status | ||||||
| Non-caregivers | Ref. | Ref. | Ref. | |||
| Caregivers | 1.566 (1.238, 1.980) | <.001 | 1.297 (0.841, 1.999) | .240 | 1.376 (1.034, 1.832) | .029 |
| Age, years | ||||||
| <65 | Ref. | Ref. | Ref. | |||
| 65-74 | 0.810 (0.659, 0.996) | .046 | 0.528 (0.356, 0.783) | .001 | 0.520 (0.396, 0.682) | <.001 |
| ≥75 | 0.716 (0.546-0.941) | .016 | 0.477 (0.297, 0.773) | .003 | 0.455 (0.318, 0.650) | <.001 |
| Gender | ||||||
| Male | Ref. | Ref. | Ref. | |||
| Female | 0.886 (0.749, 1.047) | .155 | 0.867 (0.647, 1.161) | .338 | 1.011 (0.825, 1.240) | .915 |
| Race and ethnicity | ||||||
| Non-Hispanic White | Ref. | Ref. | Ref. | |||
| Hispanic, non-Hispanic Black, non-Hispanic Asian, non-Hispanic Other | 1.624 (1.369, 1.927) | <.001 | 0.630 (0.450, 0.881) | .007 | 1.289 (1.046, 1.589) | .017 |
| Marital status | ||||||
| Not married | Ref. | Ref | Ref. | |||
| Married | 0.820 (0.685, 0.981) | .030 | 0.667 (0.486, 0.915) | .012 | 0.907 (0.729, 1.129) | .383 |
| Household income | ||||||
| <$50 000 | Ref. | Ref. | Ref. | |||
| $50 000-$99 999 | 0.960 (0.776, 1.188) | .707 | 0.739 (0.502, 1.087) | .124 | 0.845 (0.655, 1.091) | .197 |
| ≥$100 000 | 0.990 (0.788, 1.243) | .929 | 0.825 (0.551, 1.235) | .350 | 0.687 (0.519, 0.908) | .008 |
| Smoking status | ||||||
| Never | Ref. | Ref. | Ref. | |||
| Former | 1.122 (0.924, 1.362) | .244 | 1.191 (0.853, 1.663) | .306 | 1.223 (0.967, 1.545) | .093 |
| Current | 1.418 (1.085, 1.853) | .010 | 0.988 (0.620, 1.574) | .959 | 1.476 (1.084, 2.011) | .014 |
| Moderate exercise | ||||||
| None | Ref. | Ref. | Ref. | |||
| ≥1 time per week | 0.883 (0.725, 1.076) | .218 | 0.800 (0.569, 1.125) | .199 | 0.701 (0.559, 0.880) | .002 |
| Body mass index | ||||||
| Under/normal weight | Ref. | Ref. | Ref. | |||
| Overweight | 1.020 (0.832, 1.251) | .848 | 0.659 (0.471, 0.920) | .014 | 1.002 (0.778, 1.291) | .988 |
| Obesity | 1.321 (1.070, 1.631) | .009 | 0.444 (0.302, 0.652) | <.001 | 1.139 (0.879, 1.475) | .325 |
| Medical conditions | ||||||
| 0-1 condition | Ref. | Ref. | Ref. | |||
| 2-5 conditions | 1.106 (0.909, 1.346) | .313 | 1.066 (0.753, 1.509) | .717 | 1.114 (0.883, 1.406) | .362 |
| General health | ||||||
| Very good/excellent | Ref. | Ref. | Ref. | |||
| Good | 1.312 (1.090, 1.579) | .004 | 1.666 (1.175, 2.363) | .004 | 2.398 (1.899, 3.027) | <.001 |
| Fair/poor | 1.707 (1.288, 2.264) | <.001 | 4.174 (2.669, 6.529) | <.001 | 3.463 (2.500, 4.797) | <.001 |
| Psychological distress | ||||||
| No/mild symptoms | Ref. | Ref. | Ref. | |||
| Moderate/severe symptoms | 0.970 (0.699, 1.345) | .853 | 3.281 (2.218, 4.853) | <.001 | 3.534 (2.659, 4.696) | <.001 |
Abbreviations: CI: confidence interval; RRR: relative risk ratio.
a
Reference group: normal sleep duration & good sleep quality.