Test–Retest Reliability, Agreement and Criterion Validity of Three Questionnaires for the Assessment of Physical Activity and Sedentary Time in Patients with Myocardial Infarction

Marcus Bargholtz (), Madeleine Brosved, Katarina Heimburg, Marie Hellmark, Margret Leosdottir, Maria Hagströmer and Maria Bäck
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Marcus Bargholtz: Department of Medicine, Lindesberg Hospital, 711 82 Lindesberg, Sweden
Madeleine Brosved: Department of Occupational Therapy and Physiotherapy, Sahlgrenska University Hospital, 413 45 Gothenburg, Sweden
Katarina Heimburg: Department of Clinical Sciences Lund, Neurology, Skane University Hospital, Lund University, 222 42 Lund, Sweden
Marie Hellmark: Department of Physiotherapy, Orebro University Hospital, 701 85 Orebro, Sweden
Margret Leosdottir: Department of Cardiology, Skane University Hospital, 214 28 Malmo, Sweden
Maria Hagströmer: Department of Neurobiology, Care Sciences and Society, Division of Physiotherapy, Karolinska Institutet, 171 77 Stockholm, Sweden
Maria Bäck: Department of Occupational Therapy and Physiotherapy, Sahlgrenska University Hospital, 413 45 Gothenburg, Sweden

IJERPH, 2023, vol. 20, issue 16, 1-10

Abstract: Regular physical activity (PA) and limited sedentary time (SED) are highly recommended in international guidelines for patients after a myocardial infarction (MI). Data on PA and SED are often self-reported in clinical practice and, hence, reliable and valid questionnaires are crucial. This study aimed to assess the test–retest reliability, criterion validity and agreement of two PA and one SED questionnaire commonly used in clinical practice, developed by the Swedish National Board of Health and Welfare (BHW) and the Swedish national quality register SWEDEHEART. Data from 57 patients (mean age 66 ± 9.2 years, 42 males) was included in this multi-centre study. The patients answered three questionnaires on PA and SED at seven-day intervals and wore an accelerometer for seven days. Test–retest reliability, criterion validity and agreement were assessed using Spearman’s rho and linearly weighted kappa. Test–retest reliability was moderate for three of the six-sub questions (k = 0.43–0.54) within the PA questionnaires. For criterion validity, the correlation was fair within three of the six sub-questions (r = 0.41–0.50) within the PA questionnaires. The SED questionnaire had low agreement (k = 0.12) and criterion validity (r = 0.30). The studied questionnaires for PA could be used in clinical practice as a screening tool and/or to evaluate the level of PA in patients with an MI. Future research is recommended to develop and/or evaluate SED questionnaires in patients with an MI.

Keywords: accelerometer; cardiac rehabilitation; myocardial infarction; physical activity; sedentary time; self-report (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2023
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