BMQ subscale | Median score (P25–P75) | N (%) of patients above the scale midpoint |
General-overuse* | 13 (10–15) | 25 (52) |
General-harm* | 11 (8–12) | 10 (21) |
Specific-necessity† | 21 (17–24) | 40 (83) |
Specific-concerns† | 12 (10–14) | 11 (23) |
Necessity-concern differential‡ | 8 (4–12) | 43 (90) |
*Scale ranges from 4 to 20, where high scores indicate negative beliefs about medicines.
†Scale ranges from 5 to 25, higher scores indicate stronger necessity or concern beliefs.
‡Scale ranges from −20 to 20, positive scores indicate that the patient perceives necessity outweighs concerns.
BMQ, Beliefs about Medicines Questionnaire.