ArticlePatient preference and adherence2026
Predictors of Beliefs About Medicines in Patients with Psychotic Disorders - A Longitudinal Observational Study in Mental Health Services.
Article in Patient preference and adherence, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
0 citing papers in PubMed.
No citing paper in PubMed yet.
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
10 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Purpose: Patients' necessity beliefs and concerns about antipsychotic medication may influence medication adherence. This study aimed to identify factors predicting necessity beliefs and concerns about antipsychotic medication. Patients and Methods: This longitudinal study included patients with psychotic disorders from 31 Norwegian specialist mental health care units at baseline (0 months; N=310) and 12 months (n=151), reflecting attrition. We investigated associations between patients' sociodemographic and clinical characteristics, their perceptions of medication support (MedSupport questionnaire), and their medication necessity beliefs and concerns (Beliefs about Medicines Questionnaire; BMQ) at baseline. We assessed change in BMQ subscales from baseline to 12 months and factors associated with the change. The data were analyzed using linear mixed-effects models. Results: At baseline, higher MedSupport scores were associated with higher BMQ-Necessity (β=0.18 (95% confidence interval (CI)=0.04 to 0.33)) and lower BMQ-Concerns (β=-0.29 (95% CI=-0.42 to -0.16)) subscales. Higher educational level and higher number of psychotropic medications were associated with higher BMQ-Necessity. Higher symptom load and medication side effects were associated with higher BMQ-Concerns. Patients' beliefs about their medications became more negative over time, ie BMQ-Necessity scores decreased (-0.35 (95% CI=-0.60 to -0.11)) and BMQ-Concerns increased (0.25 (95% CI=0.05 to 0.45)). Higher dose of psychotropic medications at baseline and female sex was associated with an increase in BMQ-Necessity. A higher number of antipsychotic medications was associated with an increase in BMQ-Concerns from baseline to 12 months. Conclusion: Patients who experienced better medication support had significantly more positive medication beliefs at study start. Patients' views about their medications became significantly more negative over the one-year follow-up, highlighting the potential need for clinicians to provide follow-up support to address the doubts and concerns that might emerge over the course of treatment.
Indexed as
Identifiers
What OpenQuestion holds
Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.