Skip to main content
. Author manuscript; available in PMC: 2023 Jun 7.
Published in final edited form as: AIDS Behav. 2021 Feb;25(2):322–329. doi: 10.1007/s10461-020-02971-6

Table II.

The individual sub-item self-report adherence score and the 3-item adherence scale mean score overall by timepoint and viral load suppression status (n=431)

Overall Detectable viral load Undetectable viral load

Mean (SD) Median Mean (SD) Median Mean (SD) Median

Baseline (n= 48, 11%) Days taken 72.0 (41.0) 96.7 50.9 (48.6) 70.0 89.9 (22.9) 100.0
Frequency 69.4 (30.3) 60.0 55.4 (31.1) 25.0 81.1 (24.5) 80.0
Rating 56.9 (36.3) 80.0 40.4 (33.7) 30.0 70.8 (32.8) 100.0
3-item scale 66.1 (33.5) 74.5 48.9 (35.3) 55.0 80.6 (24.1) 88.9

6-months (n= 160, 37%) Days taken 88.3 (23.9) 100.0 75.0 (33.3) 93.3 91.9 (19.2) 100.0
Frequency 81.0 (23.8) 80.0 69.7 (28.3) 60.0 84.0 (21.5) 80.0
Rating 71.8 (29.3) 80.0 55.0 (33.8) 80.0 76.3 (26.3) 100.0
3-item scale 80.4 (23.1) 86.7 66.6 (28.6) 72.2 84.1 (19.9) 86.7

12-months (n= 142, 33%) Days taken 88.3 (24.5) 98.4 69.6 (39.1) 90.0 94.6 (11.7) 100.0
Frequency 82.7 (23.1) 80.0 62.8 (26.9) 60.0 89.4 (17.2) 100.0
Rating 74.4 (28.7) 100.0 54.4 (31.6) 60.0 81.2 (24.3) 100.0
3-item scale 81.8 (23.0) 86.7 62.3 (29.5) 71.7 88.4 (15.8) 93.3

18-months (n= 81, 19%) Days taken 92.9 (17.6) 100.0 74.7 (34.3) 86.7 97.0 (5.8) 100.0
Frequency 87.3 (22.7) 100.0 71.3 (31.4) 80.0 90.9 (18.8) 100.0
Rating 79.4 (26.8) 100.0 60.0 (35.0) 80.0 83.8 (22.7) 100.0
3-item scale 86.5 (19.7) 97.8 68.7 (29.1) 81.1 90.6 (14.3) 98.9

Abbreviations: SD, standard deviation

Since adherence and outcomes were assessed at multiple time points, we have 431 separate observations for the 336 participants included in this analysis