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Table 3 Association between hair measure and self-reported measures of optimal adherence

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

Adherence measures Hair TFV concentrationKappa statisticsUnivariate modelaMultivariate modelb
Optimal
123 (45.9%)
Suboptimal
145 (54.1%)
cOR (95% CI)paOR (95% CI)p
Frequency
 Optimal230 (85.8%)109 (88.6%)121 (83.4%)0.0481.54 (0.76, 3.14)0.2291.37 (0.66, 2.86)0.400
 Suboptimal38 (14.2%)14 (11.4%)24 (16.6%) 
Percent
 Optimal261 (97.4%)122 (98.4%)140 (96.6%)0.0172.16 (0.41, 11.34)0.3622.37 (0.44, 12.95)0.318
 Suboptimal7 (2.6%)2 (1.6%)5 (3.4%) 
VAS
 Optimal206 (76.9%)102 (82.9%)104 (71.7%)0.107*1.91 (1.06, 3.46)0.0321.88 (1.03, 3.45)0.041
 Suboptimal62 (23.1%)21 (17.1%)41 (28.3%) 
CAS
 Optimal197 (73.5%)98 (79.7%)99 (68.3%)0.109*1.82 (1.04,3.19)0.0361.80 (1.02, 3.18)0.043
 Suboptimal71 (26.5%)25 (20.3%)46 (31.7%) 
  1. * < 0.05. Data are in numbers and percentages [n (%)], TFV is tenofovir. VAS is visual analog scale. CAS is composite adherence score
  2. aLogistic regression; cOR is crude odd ratio; aOR is adjusted odd ratio
  3. bAdjusted for age, sex, ethnicity, marital status, work status, education experience, monthly household income, duration of HIV diagnosis, ART regimen and duration of TDF-based ART