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. Author manuscript; available in PMC: 2020 Mar 1.
Published in final edited form as: Sex Transm Infect. 2020 Jan 6;96(2):89–95. doi: 10.1136/sextrans-2019-054216

Table 1:

In-Care Viral Load (ICVL) among DC Cohort participants with an incident STI (one or more) in 2012–2016, stratified by baseline demographic characteristics. ICVL shown in [COPIES/ML].

In-Care Viral Load (SD)
2012(n=123) 2013(n=236) 2014(n=247) 2015(n=299) 2016(n=296) P
Mean (95% CI) N Mean (95% CI) N Mean (95% CI) N Mean (95% CI) N Mean (95% CI) N <0.0001
Overall: 108 (1,54173) 123 54 (1,61638) 236 32 (1,55823) 247 24(1,33480) 299 19 (1,60743) 296
Age at enrollment:
 13–18 3064 (3064,3064) 1 686 (1,111848) 9 663 (10.5,16731) 4 3018 (5.75,26259) 5 56 (1,11645) 4 0.3579
 18–35 211 (1,103972) 51 101 (1,78134) 111 43 (1,63896) 121 51 (1,44111) 128 35 (1,81491) 116 <0.0001
 35–54 64 (1,30347) 68 30 (1,25938) 99 27 (1,22670) 108 12 (1,12759) 135 15 (1,40866) 145 <0.0001
 55+ 59 (1,684.2) 3 9 (1,71814) 17 3 (1,51513) 14 8 (1,5167.5) 31 6 (1,12615) 31 0.0005
Gender:
 Cisgender M 103 (1,80948) 114 50 (1,61638) 202 24 (1,55823) 204 16 (1,14740) 258 15 (1,41419) 264 0.0003
 Cisgender F 155 (1,4357.7) 7 77 (1,46745) 22 89 (1,57650) 28 583 (1,73542) 25 370 (1,292357) 19 0.0656
 Transgender F 524 (94.2,2910) 2 113 (1,23447) 12 176 (1,20664) 15 94 (1,40470) 16 53 (1,257574) 13 0.0036
 Transgender M NA (NA) 0 NA(NA) 0 NA(NA) 0 NA(NA) 0 NA(NA) 0 NA
Race/Ethnicity:
 Non-Hisp. Black 226 (1,80948) 81 77 (1,61638) 166 53 (1,63716) 177 39 (1,40105) 218 29 (1,60743) 204 <0.0001
 Non-Hisp. White 41 (1,19524) 33 29 (1,71814) 51 9 (1,12469) 45 4 (1,6560) 52 6 (1,105820) 55 <0.0001
 Hispanic 6 (1,88) 8 11 (1,15187) 16 7 (1,1372.9) 20 12 (1,29269) 27 13 (1,32325) 36 0.0325
 Other 1 (1,1)) 1 67 (20,591.33) 3 21 (1,2029.5) 5 417 (168.67,1030) 2 1 (1,1) 1 0.2960
 Unknown NA (NA) 0 NA(NA) 0 NA(NA) 0 NA(NA) 0 NA (NA) 0 NA
Insurance:
 Private 60 (1,103972) 36 19 (1,32534) 64 12 (1,55867) 73 7 (1,16540) 92 9 (1,79240) 77 <0.0001
 Public 119 (1,54173) 72 71 (1,46745) 124 57 (1,57650) 145 46 (1,39045) 176 21 (1,40866) 193 <0.0001
 Other/Unknown 282 (1,1040000) 15 113 (1,129220) 48 18 (1,16175) 29 20 (1,6484.2) 31 88 (1,124930) 26 0.0021
Housing:
 Permanent 114 (1,82160) 85 44 (1,50410) 164 27 (1,45630) 181 20 (1,26259) 219 18 (1,60743) 224 <0.0001
Temp./Homeless 157 (1,17577) 17 75 (1,29633) 24 52 (1,100939) 31 40 (1,44111) 42 9 (1,56060) 35 <0.0001
 Other/Unknown 65 (1,30584) 21 95 (1,67677) 48 47 (1,57650) 35 36 (1,40105) 38 58 (1,257574) 37 0.1822
Risk for HIV:
 MSM 114 (12.8,3064) 112 52 (1,61638) 194 28 (1,55823) 201 17 (1,14740) 248 16 (1,60743) 247 <0.0001
 HRH 32 (1,4357.7) 6 10 (1,3477.5) 16 63 (1,54167) 25 60 (1,88145) 27 77 (1,275735) 28 0.0004
 IDU NA (NA) 0 66 (1,2878.7) 8 71 (1,2200.6) 4 200 (1,9946.3) 6 5 (1,24610) 6 0.9376
 Other/Unknown 115 (1,80948) 5 333 (1,111848) 18 41 (1,65939) 17 263 (1,53436) 18 48 (1,40866) 15 0.6190
STI Diagnosis:
 1 102 (1,80948) 107 54 (1,61638) 199 25 (1,41810) 210 23 (1,40105) 235 23 (1,60743) 231 <0.0001
 2+ 163 (1,19524) 16 60 (1,71814) 37 129 (1,80603) 37 27 (1,25496) 64 11(1,41419) 65 0.0163

CI, confidence interval; NA, not applicable (i.e., zero cases; insufficient data for calculation); MSM, men who have sex with men; HRH, high risk heterosexual; IDU, injection drug use. P-values are based on a linear test of trend across the five years.