Illness deception and work: incidence, manifestations and detection

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dc.contributor.affiliationDepartment of Occupational Health, Dudley and Walsall NHS Trust, Health Centre, Cross Street, Dudley DY1 1RN, UKen_US
dc.contributor.authorPoole, C J M
dc.date.accessioned2023-08-23T13:50:38Z
dc.date.available2023-08-23T13:50:38Z
dc.date.issued2009-12-22
dc.description.abstractBackground: Illness deception (ID) may be difficult to detect. Objective techniques that improve a doctor's skills of detection will have benefits for the health economy. Aims: To ascertain the incidence of ID in a general occupational medicine clinic, to give examples by way of case vignettes how it may manifest and to compare the variability of maximal grip strength measurements of patients with suspected simulated weakness of grip with controls. Methods: Four hundred consecutive new patient referrals were examined by the author and those who met Diagnostic and Statistical Manual-IV criteria for factitious disorder (FD) or malingering identified. Those with suspected simulated weakness of grip were asked to perform three consecutive maximal grips with a Jamar hand dynamometer. One hundred normal subjects and 100 patients with rheumatoid arthritis (RA) of the hands were similarly tested. Results: Thirty-two of 400 (8%) patients exhibited behaviour in keeping with ID (29 malingering and 3 FD). Cases included simulated hand-arm vibration syndrome, occupational asthma, deafness and weakness of a limb. The median and 90th percentile for coefficient of variation (CV) of three consecutive maximal grip strengths for normal subjects and patients with RA were 5.2, 10.5%; 5.4, 14.5% right and 4.5, 10.2%; 6.0, 14.4% left hand, respectively. The CV of the six patients who simulated weakness of grip was from 17.3 to 37.8%. Conclusions: ID is relatively common in occupational medical practice and multiform in its manifestations. Simulated weakness of grip should be suspected when consecutive declared maximal grip strengths are inexplicably submaximal for age and sex and highly variable in force.en_US
dc.identifier.citationPoole CJ. Illness deception and work: incidence, manifestations and detection. Occup Med (Lond). 2010 Mar;60(2):127-32. doi: 10.1093/occmed/kqp170. Epub 2009 Dec 22. PMID: 20028802.en_US
dc.identifier.doi10.1093/occmed/kqp170
dc.identifier.eissn1471-8405
dc.identifier.pmid20028802
dc.identifier.urihttp://hdl.handle.net/20.500.14200/1906
dc.language.isoenen_US
dc.publisherOxford University Pressen_US
dc.source.beginpage127
dc.source.countryEngland
dc.source.endpage32
dc.source.issue2
dc.source.journaltitleOccupational Medicine
dc.source.volume60
dc.subjectMental healthen_US
dc.subjectPublic health. Health statistics. Occupational health. Health educationen_US
dc.titleIllness deception and work: incidence, manifestations and detectionen_US
dc.typeArticle
dspace.entity.typePublication
oa.grant.openaccessnaen_US
rioxxterms.versionAOen_US
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