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. Author manuscript; available in PMC: 2017 Aug 1.

Published in final edited form as: Semin Arthritis Rheum. 2016 Mar 30;46(1):27–33. doi: 10.1016/j.semarthrit.2016.03.012

Table 2.

Baseline willingness to undergo TKR and orthopedic surgeon consultation within 2 years, by race and by sex

	Seen by Orthopedics, No. (%)	OR (95% CI)	Adjusted^* OR (95% CI)
All
Unwilling (referent)	93 (45.4)	1.00	1.00
Willing	256 (45.8)	1.02 (0.74, 1.40)	0.89(0.62, 1.29)
African-Americans^†
Unwilling (referent)	45 (42.9)	1.00	1.00
Willing	72 (43.6)	1.03 (0.63, 1.70)	0.93 (0.53, 1.62)
Whites^†
Unwilling (referent)	48 (48.0)	1.00	1.00
Willing	184 (46.7)	0.95 (0.61, 1.48)	0.87 (0.53, 1.43)
Men^‡
Unwilling (referent)	35(55.6)	1.00	1.00
Willing	88(42.3)	0.59 (0.33, 1.03)	0.45 (0.23, 0.87)
Women^‡
Unwilling (referent)	58(40.9)	1.00	1.00
Willing	168 (47.9)	1.33 (0.90, 1.98)	1.22(0.78, 1.91)

^*

Adjusted for age, sex, race, education level, recruitment site, income, insurance type, MOS-Social Support and WOMAC total score at baseline

^†

Likelihood ratio test for interaction between willingness and race was statistically not significant in both unadjusted and adjusted models

^‡

Likelihood ratio test for interaction between willingness and sex: p=0.020 (unadjusted), p=0.012 (adjusted)

MOS=Medical Outcomes Study; WOMAC=Western Ontario McMaster Instrument