Validity assessment of self-reported construction tasks.
This study assessed agreement between workers' and observers' daily estimates of exposure to construction work tasks. The ultimate aimwas to develop a valid method and instrument for the collection of self-reported data on duration of exposure to a priori identified work tasks for use in characteriz...
| Publicado en: | Journal of Occupational & Environmental Hygiene Vol. 7; no. 5; pp. 307 - 315 |
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| Autores principales: | , , , |
| Formato: | equations & formulas research tables/charts Journal Article |
| Publicado: |
Taylor & Francis Ltd
May2010
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| Acceso en línea: | Ver este registro en EBSCOhost |
| fields | @attributes: recordID: 1 pdfLink: plink: https://search.ebscohost.com/login.aspx?direct=true&db=ccm&AN=105176040&site=ehost-live header: @attributes: shortDbName: ccm uiTerm: 105176040 longDbName: CINAHL Complete uiTag: AN controlInfo: bkinfo: dissinfo: jinfo: jid: 15459624 V1L jtl: Journal of Occupational & Environmental Hygiene issn: 15459624 maglogo: Y pubinfo: dt: May2010 vid: 7 iid: 5 pid: 377 pub: Taylor & Francis Ltd place: Philadelphia, Pennsylvania artinfo: ui: 105176040 2010627883 10.1080/15459621003717847 NLM20349389 105176040 ppf: 307 ppct: 8 formats: fmt: @attributes: type: P tig: atl: Validity assessment of self-reported construction tasks. aug: au: Hunting KL Haile E Nessel L Welch LS affil: Department of Environmental and Occupational Health, The George Washington University, Washington, DC sug: subj: Industry Nonparticipant Observation Self Report Validity Workload Measurement Blue Collar Workers Comparative Studies Confidence Intervals Data Analysis Software Education, Continuing (Credit) Funding Source Human Instrument Construction Intraclass Correlation Coefficient kappa Statistic Memory Questionnaires Time Work Environment Evaluation Workload ab: This study assessed agreement between workers' and observers' daily estimates of exposure to construction work tasks. The ultimate aimwas to develop a valid method and instrument for the collection of self-reported data on duration of exposure to a priori identified work tasks for use in characterizing exposure in settings with substantial task variability. Forty-nine shop workers and 52 construction site sheet metal workers were observed for up to 3 full workdays. Observers sampled approximately 25% of each worker's day, recording the work performed from a prespecified list of tasks. Each participant completed a daily questionnaire, indicating the tasks he or she performed that day and time spent on each task. Shopworkers tended to specialize in particular tasks, while at the construction site, the workers' tasks reflected substantial day-to-day variability. Agreement between worker and observer estimates was generally better for major shop tasks (with intraclass correlation coefficients [ICCs] ranging from 0.52 to 0.85), than for major construction site tasks (with ICCs ranging from 0.36 to 0.64). Workers tended to overestimate the amount of time spent at tasks of longer duration and to underestimate time spent at short-duration tasks. Rank order analysis of time spent on task revealed fairly high agreement. Agreement was acceptable for shop-based work, which has less day-to-day variability than construction site work. Overall, however, the data suggest that, for highly variable work, the use of task as the unit of exposure does not improve recall over assessment approaches focusing on questions about posture and material handling. pubtype: Academic Journal doctype: equations & formulas research tables/charts Journal Article ougenre: Article language: English refInfo: holdings: @attributes: islocal: N |
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