Classification of Neck,Shoulder Pain in Epidemiological Research; A Comparison of Personal and Occupational Characteristics, Disability and Prognosis among 12,195 Workers from 18 Countries
Sarquis, L.M.M.; Coggon, D.; Ntani, G.; Walker-Bone, K.; Palmer, K.T.; Felli, V.E.; Harari, R.; Barrero, L.H.; Felknor, S.A.; Gimeno, D.; Cattrell, A.; Vargas-Prada, S.; Bonzini, M.; Solidaki, E.; Merisalu, E.; Habib, R.R.; Sadeghian, F.; Kadir, M.M.; Warnakulasuriya, S.S.P.; Matsudaira, K.; Nyantumbu, B.; Sim, M.R.; Harcombe, H.; Cox, K.; Marziale, M.H.; Harari, F.; Freire, R.; Harari, N.; Monroy, M.V.; Quintana, L.A.; Rojas, M.; Harris, E.C.; Serra, C.; Martinez, J.M.; Delclos, G.; Benavides, F.G.; Carugno, M.; Ferrario, M.M.; Pesatori, A.C.; Chatzi, L.; Bitsios, P.; Kogevinas, M.; Oha, K.; Freimann, T.; Sadeghian, A.; Peiris-John, R.J.; Sathiakumar, N.; Wickremasinghe, A.R.; Yoshimura, N.; Kelsall, H.L.; Hoe, V.C.W.; Urquhart, D.M.; Derrett, S.; McBride, D.; Herbison, P.; Gray, A.; Vega, E.J.S.
Date:
2016
Abstract:
Attached
To inform case-definition for neck/shoulder pain in epidemiological research, we compared levels
of disability, patterns of association and prognosis for pain that was limited to the neck or
shoulders (LNSP) and more generalised musculoskeletal pain that involved the neck or shoulder(s)
(GPNS). Baseline data on musculoskeletal pain, disability and potential correlates were collected
by questionnaire from 12,195 workers in 47 occupational groups (mostly office workers, nurses,
and manual workers) in 18 countries (response rate = 70%). Continuing pain after a mean interval
of 14 months was ascertained through a follow-up questionnaire in 9,150 workers from 45
occupational groups. Associations with personal and occupational factors were assessed by
Poisson regression and summarised by prevalence rate ratios (PRRs). The one-month prevalence
of GPNS at baseline was much greater than that of LNSP (35.1% vs. 5.6%), and it tended to be
more troublesome and disabling. Unlike LNSP, the prevalence of GPNS increased with age.
Moreover, it showed significantly stronger associations with somatising tendency (PRR 1.6 vs.
1.3) and poor mental health (PRR 1.3 vs. 1.1); greater variation between the occupational groups
studied (prevalence ranging from 0% to 67.6%) that correlated poorly with the variation in LNSP;
and was more persistent at follow-up (72.1% vs. 61.7%). Our findings highlight important
epidemiological distinctions between sub-categories of neck/shoulder pain. In future
epidemiological research that bases case definitions on symptoms, it would be useful to
distinguish pain which is localised to the neck or shoulder from more generalised pain that
happens to involve the neck/shoulder region.
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