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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 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

  1. VAS visual analog scale, TFV tenofovir, LOD limit of quantitation
  2. *p < 0.05; **p < 0.001