A prospective study of computer users: I. Study design and incidence of musculoskeletal symptoms and disorders

摘要: Background A prospective study of computer users was performed to determine the occurrence and evaluate risk factors for neck or shoulder (N/S) hand arm (H/A) musculoskeletal symptoms (MSS) disorders (MSD). Methods Individuals (n = 632) newly hired into jobs requiring  ≥ 15 hr/week use were followed up 3 years. At entry, workstation dimensions worker postures measured medical psychosocial assessed. Daily diaries used document work practices incident MSS. Those reporting MSS examined specific MSD. Incidence rates MSD estimated with survival analysis. Cox regression models associations between participant characteristics at entry MSD. Results The annual incidence N/S 58 cases/100 person-years 35 person-years. The most common somatic pain syndrome. H/A 39 21 disorder deQuervain's tendonitis. Forty-six percent 32% occurred during first month follow-up. Gender, age, ethnicity, prior history associated pain, use, children home either MSD. Conclusions H/A among users. More than 50% reported year after starting a new job. Am. J. Ind. Med. 41:221–235, 2002. © 2002 Wiley-Liss, Inc.