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Scand J Public Health. 2014 May;42(3):255-62. doi: 10.1177/1403494813514143. Epub 2013 Dec 5.

Cross-cultural validation of a simple self-report instrument of physical activity in immigrants from the Middle East and native Swedes.

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1
1Department of Clinical Sciences, Lund University, Skåne University Hospital, Malmö, Sweden.

Abstract

AIM:

To investigate cross-cultural validity of a simple self-report instrument of physical activity intended to be used in Swedish health care.

METHODS:

A validation study performed in 599 Iraqis (58% men) and 553 Swedes (53% men) aged 30-75 years living in the city of Malmö, Sweden. The self-report instrument by the Swedish National Board of Health and Welfare was compared to corresponding measures assessed from accelerometry as reference.

RESULTS:

The agreement between the methods in assessing the participants as sufficiently/insufficiently physically active (cut-point 150 min/week) was 65% in the Iraqis and 52% in the Swedes (p<0.001). The proportion disagreement where the self-reported physical activity was sufficient but insufficient according to the accelerometry was 26% and 45% in Iraqis and Swedes, respectively. Physical activity time (min/week) was overestimated by self-report compared to accelerometry by 71% in the Iraqis and 115% in the Swedes (p<0.001). The smallest and largest overestimation was seen in Iraqi (57%) and Swedish (139%) women, respectively. The deviation of the self-report instrument compared to accelerometry was related to the physical activity level, as the overestimation mainly occurred at lower physical activity.

CONCLUSIONS:

The self-report instrument proposed by the Swedish National Board of Health and Welfare may overestimate the proportion sufficiently physically active, but to an extent depending on cultural background and gender.

KEYWORDS:

Accelerometer; GT1M; accuracy; agreement; ethnicity; gender; migration

PMID:
24311536
DOI:
10.1177/1403494813514143
[Indexed for MEDLINE]
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