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Appl Ergon. 1999 Dec;30(6):477-86.

Validity of self-reported duration of work postures obtained by interview. MUSIC-Norrtälje Study Group.

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1
Department of Occupational Health, Karolinska Hospital, Stockholm, Sweden.

Abstract

The aim of the study was to validate interview data concerning the duration of four work postures (1) sitting, (2) standing/walking with hands above shoulder level, (3) standing/walking with hands between shoulder and knuckle level, and (4) standing/walking with hands below knuckle level. The self-reported time spent in each posture was tested in relation to observations and technical measurements in 20 subjects during two full working days. The linear relationships between self-reports and observations were strong for the three postures; sitting (r2 = 0.55), hands above shoulder level (r2 = 0.58) and hands below knuckle level (r2 = 0.69). Thus, using this interview technique, self-reports concerning time spent in (1) sitting, (2) standing/walking with hands above shoulder level and, (3) standing/walking with hands below knuckle level may be accurate enough for studying these work postures in epidemiological studies.

PMID:
10693827
[Indexed for MEDLINE]

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