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. 2015 Nov 26;10(2):310–319. doi: 10.1007/s12072-015-9680-7

Table 3.

Risk factors for patient non-adherence to directly acting antivirals for treatment of hepatitis C

Ledipasvir/sofosbuvir p value Ledipasvir/sofosbuvir + GS-9451 p value Ledipasvir/sofosbuvir + GS-9669 p value
Sex: mean adherence ± SD (n)
 Male 96.7 ± 0.9 (14) 0.93 96.8 ± 1.1 (14) 0.73 95.2 ± 2.6 (10) 0.87
 Female 96.8 ± 1.1 (6) 97.6 ± 0.0 (3) 94.6 ± 2.5 (8)
Age* R 2 = 0.02 0.59 R 2 = 0.025 0.54 R 2 = 0.019 0.59
Race
 White 99.1 ± 0.9 (4) 0.09 96.4 ± 3.6 (2) 0.85 97.6 (1) N/A**
 Black 96.1 ± 0.8 (16) 97.0 ± 0.9 (15) 94.8 ± 1.9 (17)
Highest education: mean adherence ± SD (n)
 Masters 100.0 (1) 0.34*** None 0.36 None 0.88
 College graduate (4 year) 100.0 (2) 95.2 ± 0.0 (1) 92.9 ± 4.8 (3)
 College graduate (2 year) 95.2 ± 1.5 (6) 99.4 ± 1.2 (4) 98.8 + 1.2 (2)
 High school graduate 96.6 ± 0.9 (9) 96.6 ± 1.6 (7) 94.4 ± 3.6 (8)
 11th grade or less 97.02 ± 3.0 (2) 95.7 ± 1.9 (5) 95.2 ± 1.7 (4)
Currently employed
 Yes 97.8 ± 0.8 (9) 0.19 98.4 ± 1.6 (3) 0.73 98.2 ± 1.1 (4) 0.28
 No 95.9 ± 1.1 (11) 97.6 ± 1.1 (11) 93.3 ± 2.5 (12)
Recent substance abuse
 Yes 96.4 ± 1.4 (8) 0.01 98.4 ± 0.8 0.19 92.5 ± 3.8 (7) 0.28
 No 99.4 ± 0.3 (12) 95.6 ± 1.8 (6) 96.5 ± 1.5 (11)
Diagnosed psychiatric disease
 Yes 95.8 ± 1.5 (7) 0.32 97.3 ± 1.3 (7) 0.75 92.6 ± 3.4 (8) 0.23
 No 97.3 ± 0.7 (13) 96.7 ± 1.3 (10) 96.9 ± 1.6 (10)
Center for Epidemiological Studies depression (CES-D) score#
 CES-D ≥8 97.8 ± 0.6 (9) 0.40
 CES-D <8 96.2 ± 0.85 (43)
Self-reported self-efficacy
You will be able to take all or most of the study medication as directed?
 Not at all/somewhat/very sure 96.0 ± 1.9 (6) 0.53 95.7 ± 1.9 (5) 0.41 89.3 ± 6.5 (4) 0.08
 Extremely sure 97.0 ± 0.6 (14) 97.4 ± 1.0 (12) 96.6 ± 1.2 (14)
The medication will have a positive impact on your health?
 Not at all/somewhat/very sure 96.7 ± 1.1 (11) 0.73 96.6 ± 1.3 (9) 0.47 94.8 ± 2.5 (11) 0.91
 Extremely sure 97.2 ± 0.9 (8) 98.0 ± 1.3 (7) 95.2 ± 2.3 (7)
In general, how satisfied are you with the overall support you get from your friends and family members?
 Very or somewhat dissatisfied/somewhat satisfied 96.8 ± 1.7 (3) 0.95 97.2 ± 1.6 (6) 0.81 89.3 ± 6.5 (4) 0.08
 Very satisfied 96.7 ± 0.79 (17) 96.8 ± 1.2 (11) 96.6 ± 1.2 (14)
To what extent do your friends or family members help you remember to take your medication?
 Not at all/A little/somewhat 96.6 ± 0.8 (8) 0.47 98.6 ± 1.0 (5) 0.53 95.2 ± 2.3 (7) 0.82
 A lot 96.2 ± 1.3 (9) 96.3 ± 1.5 (9) 95.9 ± 2.2 (7)
 Not applicable 98.8 ± 1.2 (3) 96.0 ± 2.1 (3) 92.9 ± 6.3 (4)
Do you have any children?
 Yes 96.3 ± 0.8 (15) 0.27 97.4 ± 1.2 (10) 0.92 92.9 ± 1.7 (12) 0.61
 No 98.1 ± 1.2 (5) 97.1 ± 1.9 (5) 91.1 ± 3.1 (4)
Do any children live with you?
 Yes 97.4 ± 0.7 (15) 0.09 97.9 ± 1.1 (9) 0.90 95.9 ± 1.9 (11) 0.30
 No 94.4 ± 2.3 (4) 97.6 ± 1.8 (5) 91.4 ± 4.7 (5)
Perceived stress score* R 2 = 0.0003 0.94 R 2 = 0.14 0.14 R 2 = 0.029 0.50

* Pearson’s correlations

** Cannot compare with one value n = 1

*** Excluding master's degree, which only had 1 value

#CES-D Score ≥8 associated with depression. Unable to perform analysis for each arm given the small numbers of patients with CES-D score ≥8