Table 3.

Categorical Subjective and objective sleep measures for SOF women by WOMAC hip pain subscale

	WOMAC pain
Characteristics	Never or mild pain on all activities (N= 1708)	Moderate to extreme pain (>=1 activity) (N= 517)	Whole cohort (N= 2225)
†Self reported sleep quality
Poor sleep based on PSQI >5	814 (47.66)	323 (62.48)***	1137 (51.1)
Trouble sleeping due to pain
Less than once a week	128 (7.49)	79 (15.28)***	207 (9.3)
Once or twice a week	139 (8.14)	92 (17.79)	231 (10.38)
Three or more times a week	113 (6.62)	147 (28.43)	260 (11.69)
†Sleep quality from Actigraphy
Total Sleep time in bed ≤ 5hrs vs. >5hrs	1070 (62.65)	320 (61.9)	1390 (62.47)
Sleep Latency ≥ 1hr vs. < 1hr	290 (16.99)	82 (15.86)	372 (16.73)
Sleep Efficiency <70% vs. ≥ 70%	295 (17.27)	104 (20.12)	399 (17.93)
Wake after sleep Onset ≥ 90mins vs. <90mins	447 (26.19)	173 (33.46)*	620 (27.88)
Napping ≥ 2 hrs vs. <2 hrs	311 (18.44)	101 (19.8)	412 (18.75)
Average number of Long Wake periods after sleep onset >5 minutes ≥ 8 vs. <8	435 (25.47)	166 (32.11)*	601 (27.01)

^†Unadjusted models.

^*p<0.05,

^***p <0.005