. Author manuscript; available in PMC: 2016 Mar 1.

Published in final edited form as: J Pain. 2014 Dec 20;16(3):291–298.e1. doi: 10.1016/j.jpain.2014.12.004

Table 1.

Means and Standard Deviations of Study Variables by Gender.

Study Variable	Full Sample (N=2487)	Male (N=931)	Femaile (N=1556)	Gender Differences T-Test
VAS Average Pain Intensity	6.06 (2.22)	5.81 (2.23)	6.21 (2.20)	t(2318) = 4.216, p < .001
PROMIS Sleep Disturbance	59.10 (9.16)	58.92 (9.06)	59.21 (9.22)	t(1720) = .621, p = .535
PROMIS Depression	58.28 (9.44)	57.57 (9.87)	58.71 (9.14)	t(2433) = 2.882, p = .004
PROMIS Fatigue	63.43 (9.26)	62.22 (9.61)	64.17 (8.96)	t(2357) = 4.977, p < .001
PROMIS Physical Function	34.90 (7.67)	35.49 (7.87)	34.55 (7.53)	t(2451) = −2.944, p = .003
PROMIS Pain Interference	67.74 (6.17)	67.42 (6.20)	67.94 (6.15)	t(2474) = 2.024, p = .043

Note: PROMIS assessments are based on a mean of 50 with a standard deviation of 10.

Note: VAS scores were assessed on an 11-point scale from 0–10.