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. 2015 Jun 19;10(6):e0130090. doi: 10.1371/journal.pone.0130090

Table 3. The estimated percent of participants virally suppressed (VL <200) at month 24 and risk ratio (RR) using the RMVL framework analysis methods repeat-binary and repeat-continuous using data from the retention in care (RIC) study.

Characteristic Repeat-Binary Repeat-Continuous
Percent <200 at Month 24 Percent 95% CI Risk Ratio (RR) RR 95% CI GM VL GM VL 95% CI GM VL Ratio GM Ratio 95% CI Percent <200 at Month 24 Percent 95% CI Risk Ratio (RR) RR 95% CI
Overall 58.5 55.2, 61.9 NA NA 115 81, 162 NA NA 56.7 55.3, 59.2 NA NA
Age (years)
18–29 57.4 49.0, 67.1 REF 134 54, 334 REF 54.7 50.9, 58.5 REF
30–39 57.3 50.4, 65.1 0.999 0.82, 1.22 110 54, 223 0.82 0.26, 2.59 55.8 53.5, 61.1 1.02 0.96, 1.14
40+ 59.3 55.3, 63.6 1.03 0.87, 1.23 110 71, 170 0.82 0.30, 2.24 57.8 55.8, 60.1 1.06 0.97, 1.14
Race / Ethnic
White 79.3 70.1, 89.6 REF 13 4, 37 REF 77.5 71.3, 80.0 REF
Black 57.9 54.0, 62.2 0.73 0.63, 0.84 171 116, 253 13.32 4.29, 41.39 51.4 50.3, 54.7 0.66 0.64, 0.75
Other 71.5 57.6, 88.7 0.90 0.70, 1.16 62 8, 450 4.80 0.50, 45.80 71.4 61.9, 76.2 0.92 0.80, 1.05
Hispanic 68.1 58.9, 78.7 0.86 0.71, 1.04 78 30, 200 6.07 1.47, 25.13 69.6 60.9, 71.7 0.90 0.80, 0.98
ART
Yes 64.7 61.1, 68.5 1.67 1.27, 2.18 109 78, 154 0.09 0.04, 0.24 57.2 57.0, 60.4 1.72 1.46, 1.95
No 38.9 29.8, 50.7 REF 1181 480, 2905 REF 33.3 29.9, 40.2 REF

The group geometric mean (GM) VL, GM VL ratio, and GM VL ratio 95% CI was estimated at month 24 using the repeat-continuous method. The ART variable is a time-varying covariate.