Table 1.
Characteristics of included measures.
| Measure | Number of questions | Administration method | Practical barriers identified (listed by theme number – see Table 2) | Adherence measured? | Perceptual barriers measured? |
|---|---|---|---|---|---|
| Adherence Attitude Inventory (AAI) (Sarah and Neil, 2002) | 34 | Self-administered | 3 | Yes | No |
| Adherence Estimator (McHorney, 2009) | 3 | Self-administered | 5 | No | Yes |
| Adherence Starts with Knowledge - 12 (ASK-12) (Matza et al., 2009) | 12 | Self-administered | 2, 3, 5, 6 | Yes | Yes |
| Adherence Starts with Knowledge-20 (ASK-20) (Hahn et al., 2008; Matza et al., 2008) | 20 | Self-administered | 1, 2, 3, 4, 5, 6 | Yes | Yes |
| Adherence to Refills and Medications Scale (ARMS) (Kripalani et al., 2009) | 14 | Interviewer assisted | 3, 5, 6 | Yes | No |
| Adolescent Medication Barriers Scale (AMBS) (Simons and Blount, 2007) | 17 | Self-administered | 1, 2, 3, 4, 6, 7 | No | Yes |
| Barriers to treatment maintenance (Cummings et al., 1982) | 4 separate measures, total 12 items | Trained interviewers | 4, 5, 6 | No | No |
| Beliefs and Behavior Questionnaire (BBQ) (George et al., 2006) | 30 | Self-administered | 4, 5, 6 | Yes | Yes |
| Brief Medication Questionnaire (BMQ) (Svarstad et al., 1999) | 9 | Research pharmacist | 2, 4, 6 | Yes | No |
| Drug Regimen Unassisted Grading Scale (DRUGS) (Edelberg et al., 1999) | 4 tasks | Task-based tool | 4 | No | No |
| Living with Medicines Questionnaire (LMQ) (Krska et al., 2014; Krska et al., 2017) | 60 | Self-administered | 3, 4, 6 | No | Yes |
| Medication Adherence Reasons Scale (MAR-Scale) (Unni and Farris, 2015) | 15 | Self-administered | 1, 3, 4, 5, 6, 7 | No | Yes |
| Medication Management Instrument for Deficiencies in the Elderly (MedMaIDE) (Orwig et al., 2006) | 20 | Non-medical study staff – questionnaire and task-based | 4, 6 | No | No |
| Medication Regimen Complexity Index (MRCI) (George et al., 2004) | 65 (over 3 sections) | Researchers | 1, 2, 4 | No | No |
| MedTake (Raehl et al., 2002) | 4 | Task-based tool | 2, 4 | No | No |
| Parent Medication Barriers Scale (PMBS) (Simons and Blount, 2007) | 16 | Completed by the parent/caregiver | 1, 2, 3, 7 | No | Yes |
| PROMPT-QoL (Sakthong et al., 2015) | 43 | Self-administered | 2, 4, 6, 7 | No | Yes |
| Simplified Medication Adherence Questionnaire (SMAQ) (Knobel et al., 2002) | 6 | Healthcare professionals (physician, nurse, pharmacist) | 3 | Yes | No |
| SM Task (Isaac and Tamblyn, 1993) | 5 | Task-based tool | 4 | No | No |
| Treatment Burden Questionnaire (TBQ) (Tran et al., 2012) | 13 | Self-administered | 1, 2, 3 | No | No |
| Treatment Satisfaction Questionnaire for Medication abbreviated (TSQM-9) (Bharmal et al., 2009) | 9 | Self-administered | 2, 4 | No | Yes |
| Treatment Satisfaction Questionnaire for Medication V1.4 (TSQM) (Atkinson et al., 2004) | 14 | Self-administered | 2, 4 | No | Yes |
| Treatment Satisfaction with Medicines Questionnaire (SATMED-Q) (Ruiz et al., 2008) | 17 | Self-administered | 1, 2 | No | Yes |
*This information derives from the main publications that described the original measures; information relating to administration method refers to who administered the measure within the reported study.