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Table 1 Measurement scheme

From: The effect of problem-based learning in patient education after an event of CORONARY heart disease – a randomised study in PRIMARY health care: design and methodology of the COR-PRIM study

Variable Instrument Baseline 1 year 3 years 5 years
Primary outcome
a. Empowerment Swe-CES-10 X X X X
Secondary outcomes
b. Self-efficacy GSES, NSES, X X X X
c. Physical exercise PSES , IPAC , Stages of change scale X X X X
d. Well-being Ladder of life, EQ5D X X X X
e. Risk factors Fp-Cholesterol, fp-HDL, fp-LDL, fp-Triglycerides, HbA1c, fp-Glucose, blood pressure, smoking, BMI, waist measurement X X X X
f. Experiences of self-care Reflective diary   X   
g. Beliefs about self-care Focus group interviews X X   
h. Enactment of PBL Observations, interviews and documents   X   
Feasibility of the intervention    X   
  1. This table provides an overview of the time schedule of all measurements, and ways to collect data.Questionnaires: Swe-CES-10: The Swedish version of the coronary empowerment scale is a modified version of the Swedish version of the diabetes empowerment scale-23 [31]; GSES: The General Self-Efficacy Scale [32], NSES: Nutrition Self-Efficacy Scale [33], PSES: Physical Self-Efficacy Scale [33], IPAC: International Physical Activity Questionnaire [34]; Stages of change Scale [35, 36]; Ladder of life [37, 38];Swedish version of EQ5D: EuroQol [43].Qualitative analysis: Experiences of self-care documented in reflective diary and analysed by critical discourse analysis [40]; Beliefs of self-care collected in focus groups [48] and analysed by qualitative content analysis [39]; enactment of PBL collected by different methods and using ethnographic analysis [41, 42].