Table A1 Multivariable regression models for primary care, specialty medicine, surgery and mental health stops with coefficients and odds ratios, as applicable?

	Primary care stops		Specialty medicine stops		Surgery stops		Mental health stops (none vs 1 or more)
R2	0.16		0.02		0.07		0.13
Intercept	1.80		0.12		−0.45		−0.59
Predictors	β coefficient (SE)	p Value	β coefficient (SE)	p Value	β coefficient (SE)	p Value	OR (95% CI)	p Value
Presence of gout
No gout	Reference	<0.001	Reference	0.35	Reference	0.062	Reference	0.002
Gout	0.84 (0.09)		0.14 (0.15)		0.18 (0.10)		−0.34 (0.11)
Medical comorbidity
None	Reference	<0.001	Reference	<0.001	Reference	<0.001	Reference	<0.001
One	1.25 (0.04)		0.62 (0.60)		0.56 (0.40)		1.01 (0.44)
Two or more	2.4 (0.04)		1.19 (0.65)		1.13 (0.043)		1.50 (0.047)
Arthritic comorbidity
None	Reference	<0.001	Reference	<0.001	Reference	<0.001	Reference	0.039
One	0.78 (0.44)		0.40 (0.072)		0.93 (0.047)		−0.08 (0.048)
Two or more	1.24 (0.64)		0.63 (0.11)		1.53 (0.70)		0.15 (0.070)
Currently smoke	−0.18 (0.039)	<0.001	−0.25 (0.63)	<0.001	−0.10 (0.42)	0.013	0.44 (0.37)	<0.001
Age (years)	0.0041 (0.002)	0.008	0.0056 (0.002)	0.027	0.021 (0.002)	<0.001	−0.042 (0.002)	<0.001
Gender
Female	Reference	<0.001	Reference	0.05	Reference	0.26	Reference	0.71
Male	−0.083 (0.080)		0.029 (0.13)		−0.098 (0.086)		−0.029 (0.078)
Race
Non-white	Reference	0.38	Reference	0.76	Reference	0.007	Reference	<0.001
White	0.047 (0.053)		0.027 (0.087)		0.16 (0.058)		0.26 (0.052)
Employment status
Employed	Reference	<0.001	Reference	<0.001	Reference	<0.001	Reference	<0.001
Not employed	0.22 (0.46)		0.32 (0.076)		0.41 (0.046)		0.82 (0.44)
Retired	0.43 (0.043)		0.43 (0.70)		−0.033 (0.080)		0.28 (0.51)
Marital status
Married	Reference	0.58	Reference	0.040	Reference	<0.001	Reference	<0.001
Unmarried/divorced	0.019 (0.34)		−0.11 (0.055)		−0.19 (0.037)		−0.31 (0.035)
Education level
<8th Grade	Reference	0.028	Reference	<0.001	Reference	<0.001	Reference	<0.001
Some high school	0.11 (0.58)		0.23 (0.095)		0.26 (0.063)		0.008 (0.071)
High school graduate	−0.008 (0.045)		0.26 (0.74)		0.25 (0.049)		0.16 (0.56)
Beyond high school	−0.053 (0.048)		0.36 (0.78)		0.33 (0.52)		0.38 (0.57)