Table 3

Sociodemographic, clinical and patient-reported measures, and timing of assessments in the CONCARDPCI prospective cohort study

MeasureDetailsSelf-reportHospital medical recordsNational registryTime*Project†
Sociodemographic dataMarital status, cohabitation status, education, work status, immigration status, income, rehabilitation participation, available support system, readmission to hospital, time of first meeting with general practitioner.XXT0–T31–4
Clinical characteristicsClinical status at admission (blood pressure, heart rate, laboratory results (haemoglobin, creatinine, troponin, total and high/low-density lipoproteins)), body weight, height, waist circumference, upper arm circumference, medical history including comorbidity and frailty, and previous hospital admissions, procedural and angiographic findings including completeness of revascularisation, complications during hospital stay, additional procedures, length of hospital stay, death.XXXT01–4
MedicationMedication at discharge (type and dosage), consumption of prescribed medication during follow-up, side effects from medication, polypharmacy, discontinuation, serum levels of cardiac medications (quantified using liquid chromatography with mass spectrometry).XXXT0–T33
LifestylePhysical activity (frequency, duration, intensity), sexual activity, tobacco use (current, previous, never), alcohol consumption (frequency, units per week), diet (frequency and amount of intake of different foods, beverages, supplements).XT0–T31–3
Healthcare utilisationPatients’ use of the healthcare system (community vs hospital-based services, specialist vs general provider, urban vs rural setting).XXT1–T34
Internet usePatients’ use of electronic equipment with internet access, use of internet to find health information and use of the web portal helsenorge.noXT0–T32–3
Major life eventsComprises three items assessing major life events.XT1–T31–3
Beliefs about Medicines Questionnaire (BMQ)42 Comprises 11 items (the BMQ-Specific) and assesses the key psychological constructs that underpin the core beliefs influencing adherence to medicines.XT1-T33
eHealth Literacy Scale (eHEALS)18 Comprises 10 items and assesses patients’ combined knowledge, comfort, and perceived skills at finding, evaluating and applying electronic health information to health problems.XT0, T32
EQ-5D-5L43 Comprises five items and is widely used for measuring economic preferences for health states.XT0–T34
Health Literacy Questionnaire (HLQ)44 Comprises 20 items measuring four levels of health literacy: appraisal of health information (5 items); social support for health (5 items); ability to find good information (5 items); and understanding health information (5 items).XT0, T32
Heart Continuity of Care Questionnaire (HCCQ)19 Comprises 33 items covering eight topic areas: heart condition explained, communication among providers, preparation for discharge, posthospital review of treatment, receipt of conflicting information, information on medications and on physical and dietary needs.XT11
HeartQol45 Comprises 14 items with 10-item physical and 4-item emotional subscales.XT31–4
Medication Adherence Report Scale (MARS-5)46 Comprises five items and measures self-reported adherence to medicines, and assesses both intentional and unintentional non-adherence.XT1–T33
Minimal Insomnia Symptom Scale (MISS)47 48 Comprises three items assessing major features of insomnia, that is, difficulties initiating sleep, waking at night and not feeling refreshed by sleep.XT0–T31–3
Patient Activation Measure (PAM)49 Comprises 13 items assessing patient knowledge, skill and confidence for self-management.XT22
RAND-1250 Comprises 12 items with 3–5 response levels. It generates two health indices: mental and physical health.XT0–T31–4
Sleep Sufficient Index (SSI)48 51 Comprises two items assessing amount of actual and desired sleep.XT0–T31–3
Study of Osteoporotic Fractures (SOF index)52 Comprises three items and assesses weight loss, inability to rise from a chair five times without using the arms and self-reported poor energy.XT0, T31–3
Hospital Anxiety and Depression Scale (HADS)53 Comprises 14 items and determines the levels of anxiety and depression that a patient is experiencing, and generates two subscales: HADS-D and HADS-A.XT0–T31–4
Myocardial Infarction Dimensional Assessment Scale (MIDAS)54 Comprises 35 items specifically measuring seven different domains of health status and daily life challenges in individuals who have suffered a myocardial infarction: physical activity (12 items), insecurity (9 items), emotional reaction (4 items), dependency (3 items), diet (3 items), concerns over medication (2 items) and side effects (2 items).XT1–T31–3
Nordic Patient Experiences Questionnaire (NORPEQ)55 Comprises eight items and gives a brief measure of patient experiences in evaluation of the quality of healthcare delivery.XT11
Seattle Angina Questionnaire (SAQ-7)56 Comprises seven dimensions of coronary artery disease: physical limitation, angina frequency and quality of life.XT0–T31–3
WHOQOL-BREF57 Comprises one global item on overall quality of life.XT0–T31–4
  • *T0: baseline, T1: 2-month follow-up, T2: 6-month follow-up, T3: 12-month follow-up.

  • †Project 1: continuity of care. Project 2: health literacy and self-management. Project 3: adherence to treatment. Project 4: healthcare use and costs.

  • EQ-5D-5L, 5-level version of EuroQol-5 Dimension; RAND-12, RAND-12 Item Health Survey; WHOQOL-BREF, The World Health Organization Quality of Life Instrument Abbreviated.