A Multi-component Intervention to Improve Medication Adherence in People With Depressive Disorders

Change in adherence from baseline to 6 months. This instrument contains 5 questions to help patients recognize their different medication-taking behaviors for each drug taken. The results generate adherence levels ranging from 1 (high drug adherence) to 6 (drug discontinuation).

Change in adherence from baseline to 3 and 12 months.

BDI-II contains 21 questions, each answer being scored on a scale value of 0 to 3. Higher total scores indicate more severe depressive symptoms.

HADS contains two 7-item Likert scales, one for anxiety and one for depression, with responses being scored on a scale of 0-3 (3 indicates higher symptom frequencies).

PF-10 contains 10-item Likert scale designed to examine a person's perceived limitation with physical functioning. Each item is rated on a 3-point scale (yes, limited a lot; yes, limited a little; and no, not limited at all).

EQ-5D-5L is a questionnaire consisting of five domains (Mobility, Self-Care, Usual Activity, Pain/Discomfort and Anxiety/Depression) each with five levels (no problems, slight problems, moderate problems, severe problems and extreme problems).

PPOS is a self-administered questionnaire that assesses patient-centeredness healthcare professionals. PPOS contains 18 items scored on a 6-point Likert scale (strongly disagree to strongly agree).

Costs because of the clinical management in all groups will be assessed from the healthcare services perspective, including the costs related to the development and use of all components for each intervention assessed (group sessions, app, etc.). Information about prescribed medication and doses; patient contacts with psychiatric and primary care services; hospital admissions and length of stay; and productivity losses will be obtained from a self-administered questionnaire.

CPS consists of five "cards" on a board, each illustrating a different role in decision-making by means of a cartoon and short descriptive statement. Patients has to choose between the cards, observing them one at a time, to establish an order of preference that ranged from a completely active role to a more passive style (from 0 to 5, where the higher the score, the more passive the style).

DAI is 10-item self-report scale that assesses psychiatric patients' attitudes toward their psychopharmacological medications. Response options are true/false, with scores ranging from a minimum of -10 to a maximum of 10. A positive total score means a positive attitude, while a negative total score indicates a negative attitude.

MHLC-C is an 18-item self-report scale composed of four subscales that measure control variables with regard to participants' health, with a 6-point rating scale ranging from 1 (strongly disagree) to 6 (strongly agree). Higher scores on each subscale indicate a stronger belief in that kind of control.

HPRS is a 14-item self-report questionnaire designed to measure the individual difference in reactance proneness. Each item is rated on a five-point Likert scale (ranging from 1 = strongly disagree to 5 = strongly agree).

BMQ assesses patients' beliefs and worries about taking medication for their disease. It comprises a general and a specific scale.The BMQ-General scale assesses more general beliefs or social representations of pharmaceuticals as a class of treatment and includes eight items in two subscales (four items each), Overuse and Harm. The BMQ-Specific scale assesses patient's beliefs about the medication he/she is prescribed for a specific illness in terms of the necessity and concern about taking it. This scale includes ten items in two subscales (five items each), Concern and Necessity. The degree of agreement with each statement is indicated on a five-point Likert scale (ranging from 1=strongly disagree to 5=strongly agree).