Table 2.

Categorical breakdown of adherence scores of the MARS and the ProMAS

Adherence category	ProMAS sum scores	ProMAS Rasch estimates	MARS scores	ProMAS frequency (number of participants)	MARS frequency (number of participants)
Low	0–4	<−1.68	0–1	15	0
Medium–low	5–9	−1.29–0.03	1.1–2	59	13
Medium–high	10–14	0.34–1.69	2.1–3	173	37
High	15–18	>2.12	3.1–4	123	320

Abbreviations: MARS, Medication Adherence Report Scale; ProMAS, Probabilistic Medication Adherence Scale.