Table 2.
Comparison of individuals with and without sleep disorders.
| Any sleep disorder | Sleep apnea | Insomnia | Restless legs syndrome | No sleep disorders | |
|---|---|---|---|---|---|
| N | 751 | 291 | 96 | 22 | 9790 |
| Proportion, % | 7.19 ± 0.34 | 4.82 ± 0.41 | 1.23 ± 0.15 | 0.31 ± 0.08 | 92.81 ± 0.34 |
| Age, years | 50.95 ± 0.62* | 53.86 ± 0.91* | 42.61 ± 1.50 | 52.75 ± 3.65 | 45.44 ± 0.40 |
| Male, % | 52.55 ± 2.22* | 63.87 ± 3.25* | 23.44 ± 5.71* | 29.40 ± 10.72 | 46.51 ± 0.55 |
| Caucasian, % | 74.83 ± 2.72* | 80.33 ± 3.18* | 53.80 ± 6.51* | 86.93 ± 6.20* | 69.43 ± 2.43 |
| African–American, % | 10.84 ± 1.60 | 8.29 ± 1.58 | 13.47 ± 3.75 | 7.80 ± 4.77 | 10.83 ± 1.32 |
| Obesity, % | 62.18 ± 2.22* | 69.66 ± 3.47* | 45.01 ± 6.49 | 58.40 ± 11.26 | 33.90 ± 0.96 |
| NAFLD, % | 18.94 ± 1.56* | 18.42 ± 2.38 | 25.57 ± 5.52* | 15.80 ± 7.54 | 14.66 ± 0.54 |
*P < 0.05 when compared to controls without sleep disorders.