Johansson J A, Rubenowitz S
Department of Psychology, University of Göteborg, Sweden.
Scand J Rehabil Med. 1994 Sep;26(3):131-42.
The study was based on a questionnaire and included 209 white-collar workers and 241 blue-collar workers in eight companies. The questionnaire deals with musculoskeletal symptoms, psychosocial and physical load factors. The relationship between job factors and neck, shoulder and low-back symptoms was analysed. The Nordic Musculoskeletal Questionnaire (NMQ) was supplemented with an additional question regarding whether or not the symptoms were believed to be related to work. The associations between the psychosocial factors and musculoskeletal symptoms were substantially higher when solely work-related symptoms were included in the analyses; these associations were of the same magnitude as that between several physical work load factors and work-related musculoskeletal symptoms. This study suggests that calculations of associations based solely on the NMQ, without the inclusion of questions to elicit reports of symptoms that are believed to be work-related, could have a powerful effect-masking consequence.
该研究基于一份调查问卷，涵盖了8家公司的209名白领和241名蓝领工人。问卷涉及肌肉骨骼症状、心理社会和身体负荷因素。分析了工作因素与颈部、肩部和下背部症状之间的关系。北欧肌肉骨骼问卷（NMQ）补充了一个额外问题，询问症状是否被认为与工作有关。当分析中仅纳入与工作相关的症状时，心理社会因素与肌肉骨骼症状之间的关联显著更高；这些关联的程度与几个体力工作负荷因素与工作相关的肌肉骨骼症状之间的关联相同。这项研究表明，仅基于NMQ进行关联计算，而不纳入用于引出被认为与工作相关的症状报告的问题，可能会产生强大的效应掩盖后果。
