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Am J Ind Med. 2000 Nov;38(5):516-28.

Risk factors for neck and shoulder disorders: a nested case-control study covering a 24-year period.

Author information

1
Programme for Ergonomics, National Institute for Working Life, SE-112 79 Stockholm, Sweden. Kerstin.Frederiksson@niwl.se

Abstract

BACKGROUND:

In 1969 a population-based study was conducted in the Stockholm region. From the 2,579 randomly selected participants (18-65 years of age in 1969), the youngest subset were asked to participate in a reexamination in 1993. Information regarding working conditions, conditions outside work, and neck and shoulder disorders was collected retrospectively for the period 1970-1993.

METHODS:

Of 783 eligible subjects (42-59 years of age in 1993), 484 responded. Cases of neck/shoulder disorders were defined by past sick leave or medical attention or recent symptoms, depending on available information. For each case (n = 271) two controls were randomly selected, matched by age and gender. Variables regarding both physical and psychosocial conditions were included in the matched analyses.

RESULTS:

Among women mainly psychosocial factors and among men mainly physical factors were associated with neck/shoulder disorders. The only gender common risk indicator found was repetitive hand work (OR approximately 1.5). Interactive effects were also observed.

CONCLUSIONS:

The impact on neck/shoulder disorders from separate factors was moderate but combinations of physical and psychosocial factors, as well as of work-related and non-work-related factors, produced relative risks above 2.

PMID:
11025493
[Indexed for MEDLINE]

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