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. Author manuscript; available in PMC: 2011 Apr 9.
Published in final edited form as: HIV Med. 2009 Aug 13;11(1):74–84. doi: 10.1111/j.1468-1293.2009.00748.x

Table 3.

Factors Associated with making any ED Visit within the past 6 months

Bivariate OR (95% CI)
Associated with an ED
Visit
Multivariate OR (95% CI)
Associated with any ED Visit

Age (years)
    18–49 1.0 (Ref) 1.0 (Ref)
    ≥50 0.94 (0.69–1.28) 0.95 (0.66–1.37)

Race
    White 1.0 (Ref) 1.0 (Ref)
    Black 1.45 (0.98–2.13) 1.27 (0.82–1.98)
    Hispanic 1.00 (0.60–1.67) 0.94 (0.53–1.65)
    Other 1.72 (0.79–3.73) 1.38 (0.59–3.23)
Group Test (P-Value) 5.63 (0.13) 2.21 (0.53)

Sex
    Male 1.0 (Ref) 1.0 (Ref)
    Female 1.98 (1.46–2.69)* 1.95 (1.33–2.86)*

HIV Risk Factor
    IDU 1.0 (Ref) 1.0 (Ref)
    MSM 0.45 (0.31–0.66)* 0.82 (0.52–1.29)
    HET 0.72 (0.50–1.04) 0.67 (0.44–1.02)
    Other/missing 0.54 (0.31–0.91)* 0.51 (0.28–0.92)*
6.40 (0.09)

CD4 in 2003 (cells/mm3)
    <50 1.72 (0.87–3.44) 1.41 (0.64–3.10)
    50–199 1.06 (0.64–1.74) 0.92 (0.52–1.60)
    200–499 1.07 (0.74–1.57) 0.99 (0.65–1.52)
    >499 1.0 (Ref) 1.0(Ref)
    Missing 1.21 (0.74–1.98) 2.65 (0.58–12.11)
Group Test (P-Value) 2.66 (0.61) 2.64 (0.62)

HIV-1 RNA (copies/ml)
    <400 1.0 (Ref) 1.0 (Ref)
    ≥400 0.85 (0.61 −1.17) 1.05 (0.71 −1.55)
    Missing 0.97 (0.61 – 1.54) 0.44 (0.10– 1.98)
Group Test (P-Value) 1.05 (0.59) 1.27 (0.53)

Receipt of HAART
    No 1.0 (Ref) 1.0 (Ref)
    Yes 0.87 (0.64–1.17) 0.99 (0.70–1.39)

Bodily Pain
    1st Quartile 1.0 (Ref) 1.0 (Ref)
    2nd Quartile 1.56 (0.99–2.50) 1.36 (0.83–2.23)
    3rd Quartile 2.30 (1.45–3.63)* 2.10 (1.28–3.44)*
    4th Quartile 3.04 (1.98–4.68)* 2.36 (1.47–3.81)*
Group Test (P-Value) 29.36 (0.00) 15.79 (0.001)

Illicit drug use
    Current 1.90 (1.30–2.77)* 1.85 (1.20–2.86)*
    Former 1.82 (1.25–2.66)* 1.59 (1.04–2.41)*
    Never 1.0 (Ref) 1.0 (Ref)
Group Test (P-Value) 12.85 (0.00) 8.12 (0.02)

Alcohol use
Hazardous/Binge drinking 1.0 (Ref) 1.0 (Ref)
    Social EtOH 1.61 (0.93–2.81) 1.76 (0.98–3.14)
    No EtOH 1.95 (1.16–3.28)* 1.94 (1.06–3.57)*
Group Test (P-Value) 6.81 (0.03) 4.72 (0.09)

Education
    < High School 1.0 (Ref) 1.0 (Ref)
    H.S. or Junior College 0.86 (0.62 −1.19) 1.07 (0.74–1.54)
    College or More 0.53 (0.31 −0.89) 0.85 (0.46–1.56)
Group Test (P-Value) 6.13 (0.05) 0.80 (0.67)

Employment
    Working 1.0 (Ref) 1.0 (Ref)
    Retired 1.80 (1.10–2.96)* 1.24 (0.71–2.19)
    Disabled 2.20 (1.50–3.22)* 1.27 (0.80–2.04)
    Unemployed 1.31 (0.73–2.34) 0.92 (0.48–1.77)
Group Test (P-Value) 18.03 (0.00) 1.87 (0.60)

Insurance
    Private 1.0 (Ref) 1.0 (Ref)
    Medicaid 2.89 (1.78–4.70)* 2.09 (1.20–3.65)*
    Medicare 1.15 (0.64–2.09) 0.97 (0.51–1.87)
    Medicaid/Medicare 1.97 (1.18–3.29)* 1.44 (0.81–2.57)
    None 0.76 (0.39–1.49) 0.86 (0.41–1.80)
Group Test (P-Value) 29.54 (0.00) 11.30 (0.02)

Primary Care Visits past 6
months
    ≤3 1.0 (Ref) 1.0 (Ref)
    4, 5 1.09 (0.67–1.77) 0.95 (0.56–1.61)
    6, 7 1.65 (1.11–2.45)* 1.38 (0.90–2.13)
    ≥8 2.63 (1.79–3.87)* 2.13 (1.38–3.27)*
Group Test (P-Value) 26.44 (0.00) 14.28 (0.002)

Note: Group test is a chi-square test of the joint significance of all category indicators for a variable. Analyses included indicators for each HIVRN site (not shown).