Protocol - Antipsychotic Medication Adherence
Description
The Brief Adherence Rating Scale (BARS) is a 4-item, clinician-administered rating scale that captures a patient’s intake of the antipsychotic medications.
Specific Instructions
None
Availability
Protocol
Brief Adherence Rating Scale (BARS)
Patient identification: ___________
Date: ___________
The following information is obtained by the clinician:
1. How many pills of _________________ (name of antipsychotic) did the doctor tell you to take each day?
2. Over the month since last visit with me, on how many days did you NOT TAKE your _________________ (name of antipsychotic)?
Few, if any (<7) _____
7-13 _____
14-20 _____
Most (<20) _____
3. Over the month since your last visit with me, how many days did you TAKE LESS THAN the prescribed number of pills of your _________________ (name of antipsychotic)?
Always/almost always = 1 _____ (76%-100% of the time)
Usually = 2 _____(51%-75% of the time)
Sometimes = 3 _____(26%-50% of the time)
Never/almost never = 4 _____(0%-25% of the time)
Note: | 1 = poor adherence |
Please place a single vertical line on the dotted line below that you believe best describes, out of the prescribed antipsychotic medication (_________________________) doses, the proportion of doses taken by the patient in the past month.
Response struck on above line (%) = _________________________
Rater’s initials: _________________________
Personnel and Training Required
The interviewer should be trained in the administration of the Brief Adherence Rating Scale (BARS). The interviewer must be trained and found to be competent (i.e., tested by an expert). The interviewer should be trained to prompt respondents further if a "don’t know" response is provided.
Equipment Needs
None
Requirements
| Requirement Category | Required |
|---|---|
| Major equipment | No |
| Specialized training | No |
| Specialized requirements for biospecimen collection | No |
| Average time of greater than 15 minutes in an unaffected individual | No |
Mode of Administration
Clinician-administered interview
Lifestage
Adult
Participants
Adults, ages 18 years and older
Selection Rationale
The Brief Adherence Rating Scale (BARS) is a brief, reliable, and valid clinician- administered adherence tool that determines the proportions of antipsychotic medication doses taken in the past month.
Language
English
Standards
| Standard | Name | ID | Source |
|---|---|---|---|
| Human Phenotype Ontology | Psychosis | HP:0000709 | HPO |
| caDSR Form | PhenX PX661801 - Antipsychotic Medication Adherence | 6873861 | caDSR Form |
Derived Variables
None
Process and Review
Not applicable.
Protocol Name from Source
Brief Adherence Rating Scale (BARS)
Source
Byerly, M. J., Nakonezny, P. A., & Rush, A. J. (2008). The Brief Adherence Rating Scale (BARS) validated against electronic monitoring in assessing the antipsychotic medication adherence of outpatients with schizophrenia and schizoaffective disorder. Schizophrenia Research, 100, 60-69.
General References
Acosta, F. J., Hernández, J. L., Pereira, J., Herrera, J., & Rodríguez, C. J. (2012). Medication adherence in schizophrenia. World Journal of Psychiatry, 2(5), 74-82.
Stroup, T. S., & Dixon, L. B. (2013). The enduring challenge of antipsychotic non- adherence. World Psychiatry, 12(3), 236-237.
Protocol ID
661801
Variables
Export Variables| Variable Name | Variable ID | Variable Description | dbGaP Mapping | |
|---|---|---|---|---|
| PX661801_Adherence_Rating_Antipsychotic | ||||
| PX661801030000 | What is the name of the antipsychotic that more | N/A | ||
| PX661801_Adherence_Rating_Antipsychotic_Missed_Dose | ||||
| PX661801050000 | Over the month since last visit with me, on more | N/A | ||
| PX661801_Adherence_Rating_Antipsychotic_Psychotic | ||||
| PX661801040000 | How many pills of _________________ (name of more | N/A | ||
| PX661801_Adherence_Rating_Antipsychotic_Smaller_Dose | ||||
| PX661801060000 | Over the month since your last visit with more | N/A | ||
| PX661801_Adherence_Rating_Date | ||||
| PX661801020000 | What is today's date? | N/A | ||
| PX661801_Adherence_Rating_Identification | ||||
| PX661801010000 | What is the patient's identification number? | N/A | ||
Measure Name
Antipsychotic Medication Adherence
Release Date
January 17, 2017
Definition
A questionnaire to assess the patient’s intake of the antipsychotic medication.
Purpose
This measure assesses antipsychotic medication taking behaviors and provides estimates of actual levels of adherence. Poor adherence is a common problem in psychosis and schizophrenia and is associated with worse outcomes.
Keywords
early psychosis, psychosis, Brief Adherence Rating Scale, BARS, antipsychotic medication
Measure Protocols
| Protocol ID | Protocol Name |
|---|---|
| 661801 | Antipsychotic Medication Adherence |
Publications
Savill, M., et al. (2024) Exploring Data Collection Priorities of Community Partners in Early Psychosis Care Psychiatric Services. 2024 September; 75(9): 854-862. doi: 10.1176/appi.ps.20230455