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

Table 1 Measurement scheme

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

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].

ISSN: 2731-4553