. Author manuscript; available in PMC: 2009 Sep 29.

Published in final edited form as: Am J Ind Med. 2009 Apr;52(4):331–340. doi: 10.1002/ajim.20687

Table IV.

Crude prevalence ratios and 95% confidence intervals for low physical health related quality of life in association with upper-extremity musculoskeletal symptoms according to type of work among 590 low-wage working women in northeastern North Carolina. (Log-binomial model)

	Poultry Processing Workers (n=291)	Community Comparison Workers (n=299)

	PR (95% CI)	PR (95% CI)
Upper-extremity
musculoskeletal
symptoms^a
Moderate - Severe	2.18 (1.61, 2.94)	5.25 (3.24, 8.52)
Mild or None	1.0	1.0

Symptoms defined as hand/wrist, elbows/forearm, shoulders or neck pain at least 3 times or lasting one week or longer during the past year.