Occupational mortality studies. Principles of validity.

Wang, JD; Os, Miettinen

doi:10.5271/sjweh.2480

Cited by 59 publications

(15 citation statements)

References 20 publications

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“…A cross-sectional study is vulnerable to this type of selection bias, often somewhat imprecisely referred to as the " healthy worker effect" (13,36). Another form of selection bias which might have operated is that employees absent because of work-related health problems would be less likely to be included in the survey.…”

Section: Discussionmentioning

confidence: 99%

Soft tissue disorders in the upper limbs of female garment workers.

Punnett¹,

Robins²,

Wegman³

et al. 1985

Scand J Work Environ Health

171

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PUNNETT L, ROBINS JM, WEGMAN DH, KEYSERLING WM. Soft tissue disorders in the upper limbs of female garment workers. Scand J Work Environ Health 11 (1985) 417-425. In this cross-sectional investigation of female garment workers the prevalence of soft tissue disorders of the hands and arms was studied. The findings were compared with the prevalence of disorders in a group of female hospital employees not required to use repetitive hand motion. One hundred and eighty-eight garment workers and 76 hospital employees were surveyed by questionnaire and physical examination. The prevalences of persistent shoulder, wrist, and hand pain were significantly greater among the garment workers (rate ratio 2, 4, and 3, respectively). In both groups about 60 070 of the persistent hand pain was consistent with carpal tunnel syndrome (rate ratio 3). These associations held when the comparisons were stratified by age and by length of employment. Workers whose native language was not English were significantly less likely to report symptoms (rate ratio 0.6). Workers in hand sewing and trimming suffered especially high prevalences of persistent pain in all upper limb sites. Stitchers had elevated rates of pain in the shoulders, wrists, and hands. Workers ironing by hand had a significant elevation in elbow pain rates. Garment assembly tasks appear to be associated with cumulative trauma of the hands and wrists; the biomechanical features of these jobs should be studied in greater detail.

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Section: Discussionmentioning

confidence: 99%

Soft tissue disorders in the upper limbs of female garment workers.

Punnett¹,

Robins²,

Wegman³

et al. 1985

Scand J Work Environ Health

171

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“…The use of the general population as a reference entity in cohort studies has been extensively discussed (12)(13)(14). National rates rather than local rates were used for the estimation of expected figures in the present study, essentially because the cohort was made up of people who moved to Rome from various parts of Italy and thus reflected different background rates of occurrence of disease.…”

Section: Discussionmentioning

confidence: 99%

Mortality study of workers employed by the Italian National Institute of Health, 1960-1989.

Belli¹,

Comba²,

Santis³

et al. 1992

Scand J Work Environ Health

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“…This phenomenon has been attributed to the use of an inappropriate reference group, namely, the general population (2)(3)(4). It has been suggested that membership in the workforce underlies three basic mechanisms (4-7): (i) primary selection at the time of hire ("healthy hire effect"), (ii) secondary selection during employment ("healthy worker survivor effect"), and (iii) changes in life in association with employment.…”

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confidence: 99%