Table 5. Correlations of the reduced version of the perceived barriers to antiretroviral therapy adherence scale (PEDIAr)—by factor and total score—and antiretroviral therapy (ART) adherence measures.
| Type | Sample 2020 (95% CI) | Sample 2021 (95% CI) | |
|---|---|---|---|
| PEDIAr Factor 1 | |||
| ART adherence WedAd-Q | Biserial | −0.187 (−0.232 to −0.140) | −0.183 (−0.210 to −0.156) |
| ART adherence VASa | Spearman | −0.175 (−0.221 to −0.129) | −0.147 (−0.175 to −0.120) |
| ART adherence VAS dummyb | Biserial | −0.165 (−0.211 to −0.118) | −0.136 (−0.164 to −0.109) |
| PEDIAr Factor 2 | |||
| ART adherence WedAd-Q | Biserial | −0.517 (−0.551 to −0.482) | −0.496 (−0.517 to −0.475) |
| ART adherence VAS | Spearman | −0.442 (−0.461 to −0.382) | −0.395 (−0.418 to −0.371) |
| ART adherence VAS dummy | Biserial | −0.407 (−0.446 to −0.366) | −0.376 (−0.340 to −0.352) |
| PEDIAr (10-items) | |||
| ART adherence WedAd-Q | Biserial | −0.432 (−0.470 to −0.392) | −0.408 (−0.431 to −0.384) |
| ART adherence VAS | Spearman | −0.355 (−0.396 to −0.313) | −0.315 (−0.340 to −0.289) |
| ART adherence VAS dummy | Biserial | −0.349 (−0.391 to −0.307) | −0.308 (−0.333 to −0.282) |
a
VAS: visual analog scale.
b
ART adherence VAS dummy=1, if the participant marked 100 on VAS, 0 otherwise.