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Known-groups validity of the PROMIS sleep-disturbance and wake-disturbance item banks
| No sleep disorder (N) n = 1342 | Insomnia (I) n = 358 | Sleep apnea (A) n = 504 | Restless legs syndrome (R) n = 132 | P Value for pairwise comparisons vs N | |
|---|---|---|---|---|---|
| Sleep disturbance θ | −0.27 (0.97) | 1.00 (0.76) | −0.06 (0.96) | 0.73 (0.89) | < 0.001 (I, A, R) |
| Sleep-related impairment θ | −0.25 (0.91) | 0.75 (0.85) | 0.14 (0.91) | 0.71 (0.91) | < 0.001 (I, A, R) |
PROMIS refers to Patient-Reported Outcomes Information System.
