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Correlations among hair and self-report measures
| Adherence measures | Value, M ± SD (range) | 1 | 2 | 3 | 4 | 5 |
|---|---|---|---|---|---|---|
| 1. Frequency, % | 95.99 ± 10.83, (25–100) | 1 | ||||
| 2. Percent, % | 98.18 ± 10.43, (0–100) | 0.39** | 1 | |||
| 3. VAS, % | 95.19 ± 12.56, (0–100) | 0.53** | 0.56** | 1 | ||
| 4. Overall adherence, % | 96.45 ± 8.45, (27–100) | 0.76** | 0.57** | 0.92** | 1 | |
| 5. Hair TFV concentration, pg/mg | 120.75 ± 290.10, (below LOQ–2978.99) | 0.06 | 0.05 | 0.12 | 0.13* | 1 |
VAS visual analog scale, TFV tenofovir, LOD limit of quantitation
*p < 0.05; **p < 0.001
