. Author manuscript; available in PMC: 2010 May 24.

Published in final edited form as: Arthritis Rheum. 2007 May 15;57(4):601–607. doi: 10.1002/art.22671

Table 4.

Health care utilization differences between persons with and without Medicaid coverage^*

	No. of visits, mean (range)	≥1 visits OR (95% CI)		Mean difference in no. of visits (95% CI)
	No. of visits, mean (range)	Unadjusted	Adjusted^†	Unadjusted	Adjusted^†
Rheumatologist	3.64 (0–16)	1.14 (0.58, 2.24)	0.71 (0.39, 1.49)	0.95 (0.02, 1.88)	0.36 (−0.58, 1.31)
Generalist for any indication	4.98 (0–30)	1.56 (0.75, 3.25)	1.60 (0.74, 3.49)	6.13 (4.39, 7.86)^‡	5.54 (3.75, 7.43)^‡
Generalist for SLE	3.65 (0–25)	2.63 (1.50, 4.61)^‡	3.78 (1.50, 5.17)^‡	5.01 (3.34, 6.67)^‡	4.91 (3.20, 6.63)^‡
Emergency room visits for any indication	1.19 (0–7)	3.65 (1.98, 6.71)^‡	3.43 (1.80, 6.53)^‡	1.22 (0.73, 1.71)^‡	1.09 (0.58, 1.60)^‡
Emergency room visits for SLE	0.74 (0–5)	3.00 (1.77, 5.11)^‡	2.40 (1.36, 4.24)^‡	0.89 (0.50, 1.30)^‡	0.79 (0.35, 1.17)^‡

OR = odds ratio; 95% CI = 95% confidence interval; SLE = systemic lupus erythematosus.

^†

Adjusted for distance (in miles) traveled to SLE physician, race/ethnicity, education, urban/non-urban locale, age, and SLE disease activity

^‡

P < 0.05.