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Table 2 Correlations among hair and self-report measures

From: Comparing self-reported medication adherence measures with hair antiretroviral concentration among people living with HIV in Guangxi, China

Adherence measuresValue, M ± SD (range)12345
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/mg120.75 ± 290.10, (below LOQ–2978.99)0.060.050.120.13*1
  1. VAS visual analog scale, TFV tenofovir, LOD limit of quantitation
  2. *p < 0.05; **p < 0.001