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The effect of motivational interviewing on medication adherence and hospitalization rates in nonadherent patients with multi-episode schizophrenia.


ABSTRACT:

Background

Medication nonadherence in patients with schizophrenia presents a serious clinical problem. Research on interventions incorporating motivational interviewing (MI) to improve adherence have shown mixed results.

Aims

Primary aim is to determine the effectiveness of a MI intervention on adherence and hospitalization rates in patients, with multi-episode schizophrenia or schizoaffective disorder, who have experienced a psychotic relapse following medication nonadherence. Secondary aim is to evaluate whether MI is more effective in specific subgroups.

Methods

We performed a randomized controlled study including 114 patients who experienced a psychotic relapse due to medication nonadherence in the past year. Participants received an adapted form of MI or an active control intervention, health education (HE). Both interventions consisted of 5-8 sessions, which patients received in adjunction to the care as usual. Patients were assessed at baseline and at 6 and 12 months follow-up.

Results

Our results show that MI did not improve medication adherence in previously nonadherent patients who experienced a psychotic relapse. Neither were there significant differences in hospitalization rates at follow-up between MI and HE (27% vs 40%, P = .187). However, MI resulted in reduced hospitalization rates for female patients (9% vs 63%, P = .041), non-cannabis users (20% vs 53%, P = .041), younger patients (14% vs 50%, P = .012), and patients with shorter illness duration (14% vs 42%, P = .040).

Conclusions

Targeted use of MI may be of benefit for improving medication adherence in certain groups of patients, although this needs further examination.

SUBMITTER: Barkhof E 

PROVIDER: S-EPMC3796095 | biostudies-literature |

REPOSITORIES: biostudies-literature

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