Table 1 Demographic characteristics of the full and viral breakthrough cohorts
From: Tenofovir diphosphate in dried blood spots and HIV-1 resistance in South Africa
Variable | Full cohort | Viral breakthrough cohort | P value |
|---|---|---|---|
n | 250 | 21 | – |
Age (years): median (IQR) | 34 (27;42) | 33 (27;41) | 0.27 |
Gender (female): n (%) | 195 (78%) | 18 (86%) | 0.19 |
Level of education: n (%) | |||
 Grade 1–7 | 20 (8%) | 0 | 0.39 |
 Grade 8–11 | 143 (57%) | 16 (76%) | |
 Grade 12 | 75 (30%) | 5 (24%) | |
 Grade 13+  | 11 (4%) | 0 | |
 Refused | 01 (< 1%) | 0 | |
Currently employed: n (%) | 78 (31%) | 3 (14.29%) | 0.04 |
Food insecurity (any): n (%) | 65 (26%) | 7 (33%) | 0.79 |
Disclosure: % people live with who know HIV status: median [IQR] | 63(29;100) | 59(25;100) | 0.33 |
Stigma score: Scores from 0–12: median (IQR) | 03 (1;5) | 03 (0;5) | 0.43 |
SAMISS score | |||
 Any mental health diagnosis (anxiety/depression) | 107 (43%) | 8 (38%) | 0.33 |
 Any drug or alcohol abuse | 126 (50%) | 9 (43%) | 0.24 |
 Viral load at breakthrough log10 copies/mL: median (IQR) | – | 4.0 (3.2; 4.5) | – |