| http://www.w3.org/ns/prov#value | - Persistence on bup/nx through 3 quarters [?? 2.72 (95% CI: 0.31 to 5.14)], or 4 quarters [?? 2.38 (95% CI: 0.63 to 4.12)] was associated with improved physical HRQOL. Being employed at baseline was associated with greater physical HRQOL. Patient characteristics at baseline predicting lower physical HRQOL included increased age, female gender, white, Hispanic and other race/ethnicity (compared with
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