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. Author manuscript; available in PMC: 2014 Mar 1.
Published in final edited form as: J Acquir Immune Defic Syndr. 2013 Mar 1;62(3):356–362. doi: 10.1097/QAI.0b013e31827f578a

Table 2.

Characteristics associated with incomplete retention among individuals contributing ≥1 HIV-lab between 2000 and 2008. Odds ratios (OR) from beta-binomial regression identify factors associated with increased (OR>1) or decreased (OR<1) likelihood of incomplete retention.

Factor Beta-binomial 2000–2004a Beta-binomial 2005–2008b
OR (95% CI) OR (95% CI)
Female Sex 0.82 (0.70, 0.95) 1.11 (0.91, 1.36)
Age (per 10 y) 0.78 (0.74, 0.83) 0.80 (0.74, 0.86)
Non-Hispanic Black (vs. Non-Hispanic White) 1.31 (1.16, 1.49) 1.36 (1.15, 1.62)
IDU Risk (vs. non-IDU) 1.68 (1.49, 1.89) 1.34 (1.11, 1.61)
ART (at baseline) 0.61 (0.54, 0.68) 0.73 (0.63, 0.84)
Time Since Enrollment (per year) 1.09 (1.07, 1.11) 1.22 (1.16, 1.29)

ρ (95% CI) ρ (95% CI)

Intra-class Correlation Coefficient 0.24 (0.22, 0.26) 0.20 (0.17, 0.23)
a

Model includes individuals entering care in 2000 contributing data 2000–2004, N=5,718

b

Model includes individuals entering care in 2005 contributing data 2005–2008, N=5,071

Time since enrollment: years under clinical observation in NA-ACCORD

Non-overlapping periods of 5 & 4 years used to eliminate artifacts of truncation in separate beta-binomial models

All models adjusted for contributing cohort and additional race/ethnicity categories of “Hispanic” and “Other/Unknown”