Treatment related factors Exp. studies evaluating the factor Experimental studies reporting significant effects
Treatment regimen Treatment regimen Treatment regimen
Complexity and duration of the treatment (including dosing regimen, tooling, and amount of medicines taken & irregularity) 19 n = 10 (Flicoteaux et al., 2017; Gillespie et al., 2014; Kuypers et al., 2013; Suffoletto et al., 2012; Wooldrich et al., 2015; Sieben et al., 2021; Kamal et al., 2015; Matsumura et al., 2013; Llorca et al., 2021; Calvo-Arbeloa, 2019)
Patient friendliness of the regimen 3 No significant effect reported
Variation and changes of the treatment 2 No significant effect reported
Treatment effects Treatment effects Treatment effects
Appearance of the beneficial effects or side effects (Treatment beliefs) 5 n = 1 (Shankari et al., 2020)
Experience of failures in previous treatments 3 n = 1 (Meggetto et al., 2017)
Treatment properties Treatment properties Treatment properties
Formulation and physical properties of the medication 3 n = 1 (Hohmann et al., 2014)