Effectiveness and cost-effectiveness of a group-based pain self-management intervention for patients undergoing total hip replacement: feasibility study for a randomized controlled trial

Table 1 Baseline demographic and clinical characteristics of participants

	Overall	Allocated to intervention	Allocated to standard care
	n = 88	n = 43	n = 45
Mean age (SD)	66 (11)	65 (12)	67 (10)
Female: male (%)	65:35	65:35	64:36
Living alone (%)	19	18	20
College or university education (%)	35	32	39
Retired (%)	60	61	59
Mean WOMAC Pain score^a (SD)	38 (18)	37 (17)	38 (20)
Mean WOMAC Function score^a (SD)	37 (18)	39 (18)	35 (18)
Mean Pain Self-Efficacy score^b (SD)	32 (14)	35 (13)	30 (14)

^aWOMAC Pain and Function scores range from 0 to 100 (worst to best). ^bPain Self-Efficacy questionnaire scores range from 0 to 60 (low self-efficacy to high self-efficacy). SD, standard deviation; WOMAC, Western Ontario and McMaster Universities Osteoarthritis Index.

ISSN: 1745-6215