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. Author manuscript; available in PMC: 2013 Sep 9.
Published in final edited form as: Am J Manag Care. 2012 Dec;18(12):821–829.

Table 2.

Multivariable Cox Model Results for the Association between Time to Mammography Completion and Intervention Status among All Patients

Parameter Hazard Ratio 95% Confidence Interval P-Value
Intervention 1.19 1.10 – 1.29 <0.001
Age (10-year increment) 0.93 0.89 – 0.98 0.003
Insurance status
    Medicare 0.67 0.59 – 0.76 <0.001
    Medicaid 0.65 0.58 – 0.74 <0.001
    No insurance, self-pay 0.70 0.59 – 0.83 <0.001
    Commercial health insurance - - -
Ethnicity
    Asian 1.14 0.997 – 1.31 0.06
    Black 1.05 0.94 – 1.18 0.38
    Hispanic 1.09 0.96 – 1.24 0.18
    Other/unknown 1.01 0.87 – 1.16 0.99
    Non-Hispanic white - - -
Primary language
    Non-English 1.05 0.94 – 1.18 0.40
    English - - -
Practice Type
    Community health center 0.90 0.81 – 0.99 0.03
    Non-community health center - - -
Months since last practice visit (3-month increment) 0.83 0.82 – 0.84 <0.001