Validity of a Self-Administered Questionnaire for Assessing Physical Work Loads in a General Population

Leijon, Ola; Wiktorin, Christina; Härenstam, Annika; Karlqvist, Lena

doi:10.1097/00043764-200208000-00007

Cited by 74 publications

(84 citation statements)

References 28 publications

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“…Some studies have compared agreement between evaluation methods in subjects with UWMSD and subjects without (Viikari-Juntura et al 1996;Nordstrom et al 1998;Leijon et al 2002). Our study was one of the first to compare the association between different physical exposure evaluations and UWMSD in a high exposure environment.…”

Section: Discussionmentioning

confidence: 93%

“…However, for repetitive movements, the agreement between self-reported and observed or directly measured methods was found to be fair-to-poor in four studies, with Kappas between 0.16 to 0.45 (Viikari-Juntura et al 1996;Pope et al 1998;Hansson et al 2001;Leijon et al 2002); for hand/wrist posture and for hand or finger use, only one study was been found, with poor agreement between methods (correlation coefficients between 0.08 and 0.31, and Kappas between -0.06 and 0.11) (Nordstrom et al 1998). …”

Section: Discussionmentioning

confidence: 98%

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Self-administered questionnaire and direct observation by checklist: Comparing two methods for physical exposure surveillance in a highly repetitive tasks plant

Descatha

Caroly²,

Evanoff

et al. 2009

Applied Ergonomics

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Section: Discussionmentioning

confidence: 93%

Section: Discussionmentioning

confidence: 98%

Self-administered questionnaire and direct observation by checklist: Comparing two methods for physical exposure surveillance in a highly repetitive tasks plant

Descatha

Caroly²,

Evanoff

et al. 2009

Applied Ergonomics

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“…In the present study, the only single biomechanical exposure that turned out to be associated with the outcome was sitting during ‡75% of the working time. In self-reports, the estimated time spent sitting at work have a higher precision than the estimates of other biomechanical exposures [17,28,[35][36][37]. This is one possible explanation for why sitting ‡75% of the working time turned out to be significant in the univariate analyses while the other three biomechanical exposures did not.…”

Section: Biomechanical Exposuresmentioning

confidence: 93%

“…The cut-off points for classifying subjects as exposed or unexposed were used in previous reports from the MUSIC-Norrtälje study [9,33]. The exposure variables analyzed have previously been considered to be sufficiently reliable [17,28,[35][36][37].…”

Section: Work-related Exposures At Baselinementioning

confidence: 99%

The influence of work-related exposures on the prognosis of neck/shoulder pain

et al. 2007

Self Cite

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To determine associations between work-related exposures and the prognosis of self-reported neck/ shoulder pain. This prospective cohort study was based on 803 working subjects who reported neck/shoulder pain at baseline. The proportion of subjects who 5-6 years later were symptom-free was calculated. Data concerning workrelated biomechanical, psychosocial, and organizational exposures were collected at baseline. The Cox regression analyses were used to calculate the relative chances (RC) of being symptom-free at the end of the study for single exposures, and also for up to three simultaneous workrelated exposures. Adjustments were made for sex and age. Only 36% of the subjects were symptom-free 5-6 years later. The relative chance for being symptom-free at the end of the study was 1.32 (95% CI = 0.99-1.74) for subjects who were exposed to sitting ‡75% of the working time and 1.53 (95% CI = 1.02-2.29) for subjects who were exposed to job strain, i.e., the combination of high demands and low decision latitude. The relative chance of being symptom-free at the end of the study was 0.61 (95% CI = 0.40-0.94) for subjects with at least two out of three simultaneous biomechanical exposures at work; manual handling, working with the hands above shoulder level, and working with vibrating tools. In a heterogeneous population with moderate nonspecific neck/shoulder pain, sedentary work enhanced the chance of being symptomfree 5-6 years later, whereas simultaneous exposures to at least two of manual handling, working with hands above shoulder level and working with vibrating tools were associated with a lower chance of being symptom-free at the end of the study. This could imply that subjects with neck/shoulder pain should avoid such simultaneous exposures.

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“…The validity of self-reported data ratings and observations has often been questioned, and results from earlier studies have been inconclusive. A study on work posture of the neck and upper extremities concluded that questionnaire-assessed exposure data had low validity (Hansson et al, 2001), while others have concluded that the validity of self-reported data depends on the questions asked (Leijon et al, 2002). Moreover, Leijon et al (2002) found that specific questions regarding variables such as physical activity and sitting working postures had relatively high validity, while questions concerning bent/twisted work postures and repetitive movements had poor validity.…”

Section: Perceived Exertion and Comfortmentioning

confidence: 99%

Concordance between VDU-users’ ratings of comfort and perceived exertion with experts’ observations of workplace layout and working postures

Lindegård

Karlberg

Tornqvist³

et al. 2005

Applied Ergonomics

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All previously published papers have been reproduced with permission from the publisher.Published and printed by Intellecta DocuSys AB, Göteborg, Sweden, 2007 © Agneta Lindegård Andersson, 2007 ISBN 978-91-628-7098-0 Working technique during computer work Associations with biomechanical and psychological strain, neck and upper extremity musculoskeletal symptoms Agneta Lindegård AnderssonThe Sahlgrenska Academy at Göteborg University, Institute of Medicine Department of Public Health and Community Medicine Occupational and Environmental Medicine AbstractAbout 35 % of the working population in Sweden report that computer use accounts for 50% or more of their total working hours. Among this population approximately 40% of the women and 25% of the men experienced symptoms in the neck and/or upper extremities at least once a week during the preceding 3 month. The overall aim of the studies underlying this thesis was to explore possible associations between working technique and perceived exertion, comfort, biomechanical and psychosocial strain as well as neck and upper extremity symptoms among computer users. Specific research questions addressed were a) Whether working technique was associated with muscle activity, wrist positions and forces applied to the computer mouse, respectively? b) Whether working technique was associated with psychological demands, emotional stress and perceived muscle tension, respectively? c) Whether there were associations between self-rated perceived comfort and observations of workplace layout and between self-rated perceived exertion and working postures. d) Whether working technique perceived exertion and comfort was associated with neck and upper extremity symptoms.The results showed that subjects classified as having a good working technique worked with less muscular load in the forearm (p=0.03) and in the trapezius muscle on the mouse operating side (p=0.02) compared to subjects classified as having a poor working technique. Subjects who reported high psychological demands and perceived muscular tension, respectively, used poorer working technique than subjects who did not perceive this conditions (demands, p=0.03, muscular tension, p=0.02). Moreover, the concordance between ratings of comfort and observations of workplace layout was reasonably good concerning the working chair and the keyboard and good regarding the computer screen and the input device. The concordance between ratings of perceived exertion and observations of working postures indicated good agreement for all measured body locations. This applies to the group that rated poor comfort and high exertion. Regarding the group that rated good comfort and low exertion ratings must be supplemented with observations. Furthermore, the results revealed that high perceived exertion and low comfort were related to an increased incidence of neck, and upper extremity symptoms, while poor working technique was not associated with such a risk. It is concluded that working technique is associated with both biomechanical and p...

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Validity of a Self-Administered Questionnaire for Assessing Physical Work Loads in a General Population

Cited by 74 publications

References 28 publications

Self-administered questionnaire and direct observation by checklist: Comparing two methods for physical exposure surveillance in a highly repetitive tasks plant

Self-administered questionnaire and direct observation by checklist: Comparing two methods for physical exposure surveillance in a highly repetitive tasks plant

The influence of work-related exposures on the prognosis of neck/shoulder pain

Concordance between VDU-users’ ratings of comfort and perceived exertion with experts’ observations of workplace layout and working postures

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