Adherence factors and association with medication adherence, results from the multivariable linear model
| Variable | Change in medication adherence score | 95% CIs |
| Age | 0.0 | (−0.0 to 0.0) |
| Male sex | 0.1 | (−0.2 to 0.3) |
| WHO patient-related factors | ||
| Any alcohol use | 0.1 | (−0.7 to 0.5) |
| PSS-4 Score | 0.2 | (0.1 to 0.4) |
| WHO condition-related factors | ||
| Hypertension | 0.3 | (0.0 to 0.6) |
| Diabetes | 0.2 | (−0.3 to 0.7) |
| WHO therapy-related factor | ||
| Number of prescriptions | 0.0 | (−0.1 to 0.1) |
| WHO economic-related factors | ||
| IWI Category 4–14.99 | Reference | Reference |
| IWI Category 15–24.99 | 0.2 | (−0.7 to 0.2) |
| IWI Category 25–39.99 | 0.2 | (−0.6 to 0.2) |
| IWI Category≥40+ | 0.3 | (−0.7 to 0.2) |
| Monthly income<1000 | 0.3 | (−0.6 to 0.1) |
| 1000–4999 | 0.2 | (−0.5 to 0.1) |
| ≥5000 | 0.3 | (−0.7 to 0.1) |
| Monthly costs of medications 0–100 KSH | Reference | Reference |
| Monthly cost of medications 101–400 KSH | 0.00 | (−0.3 to 0.3) |
| Monthly cost of medications 400+ | 0.2 | (−0.6 to 0.2) |
| Transportation costs 0 KSH | Reference | Reference |
| Transportation costs 1–99 KSH | 0.7 | (0.4 to 1.1) |
| Transportation costs 100+ KSH | 0.5 | (0.1 to 0.9) |
| Running out of medications waiting for next clinic appointment | 0.3 | (0.0 to 0.6) |
| Not filled prescriptions or not attended clinic visits due to healthcare costs | 1.1 | (0.9 to 1.4) |
| WHO health system-related factor | ||
| Health insurance coverage | 0.3 | (−0.1 to 0.6) |
US$1 is ~140 KSH.
Significant factors are bolded
KSH, Kenyan Shillings; PSS-4, Perceived Stress Scale 4.