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Association between lifting and use mMedication for low back pain: results from the backworks prospective cohort study.

Authors
Kapellusch-JM; Garg-A; Boda-S; Hegmann-KT; Moore-JS; Thiese-MS; Merryweather-A; Tomich-S; Foster-JC; Bloswick-D; Malloy-EJ
Source
J Occup Environ Med 2014 Aug; 56(8):867-877
NIOSHTIC No.
20044834
Abstract
Objective: To evaluate relationships between lifting and lowering of loads and risk of low back pain resulting in medication use (M-LBP). Methods: At baseline, worker demographics, psychosocial factors, hobbies, LBP history, and lifting and lowering (quantified using the Revised NIOSH Lifting Equation) were assessed. A cohort of 258 incident-eligible workers was followed up for 4.5 years to determine new M-LBP cases and changes in lifting/lowering requirements. Proportional hazards regression with time-varying covariates was used to model associations. Results: Factors predicting M-LBP included peak lifting index (PLI) and composite lifting index (PCLI), LBP history, anxiety, and housework. In adjusted models, PLI and PCLI showed exposure-response relationships with peak hazard ratios of 3.8 and 4.3, respectively (P = 0.02). Conclusions: Lifting of loads is associated with increased risk of M-LBP. The PLI and PCLI are useful metrics for estimating the risk of M-LBP from lifting.
Keywords
Humans; Men; Women; Musculoskeletal-system; Musculoskeletal-system-disorders; Back-injuries; Exposure-levels; Risk-factors; Workers; Injuries; Demographic-characteristics; Sociological-factors
Contact
Jay M. Kapellusch, PhD, Department of Occupational Science and Technology, University of Wisconsin-Milwaukee, PO Box 413, Milwaukee, WI 53201
CODEN
JOEMFM
Publication Date
20140801
Document Type
Journal Article
Funding Type
Cooperative Agreement; Grant
Fiscal Year
2014
NTIS Accession No.
NTIS Price
Identifying No.
Cooperative-Agreement-Number-U01-OH-008083; Grant-Number-T42-CCT-810426; M082014
Issue of Publication
8
ISSN
1076-2752
Source Name
Journal of Occupational and Environmental Medicine
State
WI; UT; DC
Performing Organization
University of Wisconsin Milwaukee
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