Table 4.
Conditional odds ratios (95% confidence intervals) for lack of retention in a calendar year according to missed (≥75% visit attendance) versus kept-visit (≥2 kept visit >90 days apart) retention definitions, among persons with ≥1 visit kept in prior year and ≥1 scheduled in study year (N=93,899), Centers for AIDS Research Network of Integrated Clinical Systems patients, 2010-2018
| Attended ≥75% of scheduled visits, not retained by kept-visit measurea | Retained by kept-visit measure, missed >25% of scheduled visitsa | Retained by neither definitiona | |
|---|---|---|---|
| Male sex at birth | 1.07 (0.97, 1.18) | 0.98 (0.91, 1.06) | 1.10 (1.01, 1.20) |
| Age | |||
| 18-34 years | 1.20 (1.12, 1.30) | 1.41 (1.31, 1.50) | 1.62 (1.51, 1.73) |
| 35-49 years | Ref | Ref | Ref |
| ≥50 years | 0.75 (0.71, 0.80) | 0.65 (0.62, 0.69) | 0.53 (0.50, 0.56) |
| Race/Ethnicity | |||
| White, non-Hispanic | Ref | Ref | Ref |
| Black, non-Hispanic | 0.73 (0.68, 0.78) | 1.95 (1.83, 2.09) | 1.53 (1.42, 1.64) |
| Hispanic | 0.69 (0.63, 0.76) | 1.29 (1.18, 1.41) | 1.05 (0.96, 1.16) |
| Other, non-Hispanic | 0.99 (0.86, 1.14) | 1.21 (1.05, 1.41) | 0.99 (0.85, 1.16) |
| HIV acquisition risk | |||
| IDU | 0.79 (0.71, 0.87) | 1.95 (1.81, 2.11) | 1.55 (1.42, 1.68) |
| MSM | 0.99 (0.92, 1.08) | 0.88 (0.82, 0.95) | 0.85 (0.78, 0.91) |
| Prior AIDS diagnosis | 0.77 (0.72, 0.83) | 1.04 (0.98, 1.11) | 0.97 (0.90, 1.03) |
| ART-initiated | 0.90 (0.80, 1.02) | 1.05 (0.95, 1.17) | 1.04 (0.93, 1.17) |
| Years since cohort enrollment | 1.02 (1.01, 1.03) | 1.01 (1.00, 1.01) | 1.01 (1.00, 1.02) |
| Viral suppression | 0.79 (0.73, 0.85) | 0.67 (0.63, 0.71) | 0.60 (0.56, 0.64) |
| Years since most recent viral suppression | 0.97 (0.96, 0.98) | 0.92 (0.91, 0.92) | 0.87 (0.86, 0.88) |
Abbreviations: ART, antiretroviral therapy; CNICS, Center for AIDS Research Network of Integrated Clinical Studies; IDU, injection drug use; MSM, men who have sex with men
Relative to being retained by both definitions (attending ≥75% of scheduled visits and attending ≥2 visits >90 days apart); conditional odds ratios are odds of having retention status in column header versus retained by both definitions, among person-years in one of those two groups; conditional odds ratios are adjusted for all other variables (rows) in the table, calendar year and CNICS site