Table 1.
Variable | Total sample (N=114) | OAI (n=63) | OAGS (n=51) | F/χ2/Z | df | p-Value |
---|---|---|---|---|---|---|
Age, years | 67.77 (6.09) | 68.03(6.54) | 67.44(5.53) | Z=−0.15 | .890 | |
Sex, % female | 65 | 71 | 57 | χ2=2.63 | 1 | .105 |
Race, % Caucasian | 92 | 91 | 93 | χ2=0.19 | 1 | .661 |
Employment status, % working | 39 | 33 | 45 | χ2=1.60 | 1 | .206 |
Subjective socioeconomic status†,‡ | 3.49(1.71) | 3.40(1.78) | 3.60(1.63) | 0.49 | 95 | .487 |
Married or living with partner, % | 62 | 59 | 64 | χ2=0.28 | 1 | .597 |
Education, % ≥college | 87 | 83 | 89 | χ2=1.30 | 1 | .254 |
Mini-Mental Status Exam§ | 29.36(0.98) | 29.32(1.07) | 29.40(0.86) | Z=−0.12 | .911 | |
Insomnia Severity Index | 9.86(78.90) | 16.70(3.50) | 1.40(2.01) | 8.69 | 112 | <.001*** |
Apnea hypopnea index | 5.62(5.62) | 5.51(5.33) | 5.77(6.01) | 0.06 | 112 | .815 |
Periodic limb movement arousal index | 7.20 (5.80) | 7.50 (5.89) | 6.83 (5.89) | 0.53 | 112 | .530 |