Table A1 Multivariable regression models for primary care, specialty medicine, surgery and mental health stops with coefficients and odds ratios, as applicable?
Primary care stopsSpecialty medicine stopsSurgery stopsMental health stops (none vs 1 or more)
R20.160.020.070.13
Intercept1.800.12−0.45−0.59
Predictorsβ coefficient (SE)p Valueβ coefficient (SE)p Valueβ coefficient (SE)p ValueOR (95% CI)p Value
Presence of gout
    No goutReference<0.001Reference0.35Reference0.062Reference0.002
    Gout0.84 (0.09)0.14 (0.15)0.18 (0.10)−0.34 (0.11)
Medical comorbidity
    NoneReference<0.001Reference<0.001Reference<0.001Reference<0.001
    One1.25 (0.04)0.62 (0.60)0.56 (0.40)1.01 (0.44)
    Two or more2.4 (0.04)1.19 (0.65)1.13 (0.043)1.50 (0.047)
Arthritic comorbidity
    NoneReference<0.001Reference<0.001Reference<0.001Reference0.039
    One0.78 (0.44)0.40 (0.072)0.93 (0.047)−0.08 (0.048)
    Two or more1.24 (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)0.0130.44 (0.37)<0.001
Age (years)0.0041 (0.002)0.0080.0056 (0.002)0.0270.021 (0.002)<0.001−0.042 (0.002)<0.001
Gender
    FemaleReference<0.001Reference0.05Reference0.26Reference0.71
    Male−0.083 (0.080)0.029 (0.13)−0.098 (0.086)−0.029 (0.078)
Race
    Non-whiteReference0.38Reference0.76Reference0.007Reference<0.001
    White0.047 (0.053)0.027 (0.087)0.16 (0.058)0.26 (0.052)
Employment status
    EmployedReference<0.001Reference<0.001Reference<0.001Reference<0.001
    Not employed0.22 (0.46)0.32 (0.076)0.41 (0.046)0.82 (0.44)
    Retired0.43 (0.043)0.43 (0.70)−0.033 (0.080)0.28 (0.51)
Marital status
    MarriedReference0.58Reference0.040Reference<0.001Reference<0.001
    Unmarried/divorced0.019 (0.34)−0.11 (0.055)−0.19 (0.037)−0.31 (0.035)
Education level
    <8th GradeReference0.028Reference<0.001Reference<0.001Reference<0.001
    Some high school0.11 (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)