Table 1. Symptom summary of HCHS/SOL individuals for three-group solution with survey design adjustment and subpopulation on Ages 45+ and AHI ≥5 (primary solution).
Unweighted N = 3,545.
| Insomnia OSA | Asymptomatic Mild OSA | Symptomatic OSA | Total | P value | |
|---|---|---|---|---|---|
| Unweighted N’s (Weighted %) | 1596 (44.3%) | 1275 (36.2%) | 674 (19.5%) | ||
| AHI * | 10.5 (5.2) | 13.8 (9.2) | 43.5 (23.9) | 18.1 (19.5) | P<0.001 |
| ESS * | 7.3 (6.2) | 3.9 (3.6) | 8.8 (7.4) | 6.3 (6.1) | P<0.001 |
| WHIIRS * | 11.2 (5.5) | 2.5 (2.2) | 8.4 (6.0) | 7.4 (6.6) | P<0.001 |
| Sleep Duration * | 7.7 (1.9) | 7.9 (1.5) | 7.9 (1.6) | 7.8 (1.7) | P = 0.064 |
| Restless Legs † | |||||
| No | 59.2 (2.0) | 82.1 (1.7) | 63.2 (2.6) | 68.3 (1.3) | P<0.001 |
| Yes | 40.8 (2.0) | 17.9 (1.7) | 36.8 (2.6) | 31.7 (1.3) | |
| Naps per week † | |||||
| None | 48.5 (2.1) | 60.1 (2.2) | 48.0 (2.7) | 52.7 (1.4) | P = 0.001 |
| 1–2 | 22.3 (1.7) | 20.1 (1.7) | 20.3 (2.1) | 21.1 (1.0) | |
| 3–4 | 13.7 (1.6) | 8.4 (0.9) | 13.5 (2.2) | 11.7 (0.9) | |
| 5+ | 15.5 (1.8) | 11.3 (1.5) | 18.3 (1.9) | 14.5 (1.0) | |
| Sleep Quality † | |||||
| Very sound/restful | 1.1 (0.3) | 19.4 (1.9) | 5.7 (1.0) | 8.7 (0.7) | P<0.001 |
| Sound/restful | 9.8 (1.1) | 59.0 (2.3) | 24.8 (2.2) | 30.7 (1.3) | |
| Average | 53.1 (2.1) | 21.7 (1.8) | 47.7 (2.7) | 40.6 (1.3) | |
| Restless | 26.9 (2.0) | 0.0 (0.0) | 17.2 (1.9) | 15.2 (1.0) | |
| Very restless | 9.0 (0.9) | 0.0 (0.0) | 4.6 (1.0) | 4.8 (0.5) | |
| Any time SpO2<90% † | |||||
| No | 3.3 (0.5) | 4.0 (0.8) | 0.1 (0.1) | 2.9 (0.4) | P<0.001 |
| Yes | 96.7 (0.5) | 96.0 (0.8) | 99.9 (0.1) | 97.1 (0.4) |
Notes:
* Means and Standard Deviations are presented;
† % and Standard Errors (SEs) are presented
P value: Pearson’s chi square test for continuous variables; Regression based F test for categorical variables
AHI: Apnea-Hypopnea Index; ESS: Epworth Sleepiness Scale; WHIIRS: Women’s Health Initiative Insomnia Rating Scale; SpO2: Oxygen saturation