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Associations of race/ethnicity with the availability of primary outcome measure(s), treatment exposure, and attendance at follow-up visits.a
Notes: aLeast-squares means and corresponding 95% confidence intervals by race/ethnicity, for each of the three participation measures. The indicated P-values reflect the comparison between race/ethnicity.
Abbreviations: N-H A-A, non-Hispanic African American; Hisp, Hispanic; N-H Wh, non-Hispanic white.
