• O Y Chan and S F Ho.
• Department of Industrial Health, Ministry of Manpower, Singapore.
• Singap Med J. 1998 Aug 1; 39 (8): 363-7.

Objective & MethodsA mail questionnaire survey was conducted among designated factory doctors (DFDs) to determine the nature and extent of musculoskeletal aches/pains in patients attending their clinics over one working week. Information was recorded for all patients aged 15 years and above presenting with aches or pains in the back, neck or upper limbs, as the main complaint or as one of the presenting symptoms.ResultsFor the 155 doctors participating in the survey, the total attendance of patients aged 15 years and above during the study period was 35,010. Of these, 3.9% presented with the symptoms studied and 1.8% had work-related complaints. The commonest site affected was the back (55.7%), followed by the neck (21.4%) and shoulders (19.2%). A higher proportion of males than females had back complaints with the reverse for complaints involving hands/wrists and arms/forearms. 82.3% of the affected were employed, 60.3% being production workers, compared to 33.3% professional/office workers and 6.4% service workers. Of the patients who were working, 51.3% had work-related symptoms and 54.4% were given medical leave. Production workers had the highest proportion with work-related symptoms while service workers had the highest proportion given medical leave. The "medical certificate rate" was highest for back symptoms -57.6%, while work-related symptoms was highest for complaints involving hands/wrists.ConclusionThe study findings are consistent with those of a 1993 morbidity survey of outpatients in Singapore and indicate that the prevalence of work-related musculoskeletal aches/pains is not high.

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