Abstract
ObjectiveBehavioral and psychological symptoms of dementia (BPSD) place a heavy burden on patients as well as caregivers. Recently, pain was identified as an important determinant of BPSD. However, it is not yet known what influence sex has on BPSD and pain. Thus, the present study aimed to identify possible associations between BPSD, pain, and sex. DesignA retrospective evaluation of cross-sectional data derived from the Services and Health for Elderly in Long-Term Care (SHELTER) Study database, a cross-national European study on nursing home residents. Setting and ParticipantsThe study involved 4156 residents who were assessed using the interRAI instrument for Long-Term Care Facilities. Included in the analysis were only patients with cognitive impairment (n = 2822) (67.9%) of which 712 (25.2%) were male and 2110 (74.8%) were female. MethodsDifferences in prevalence were tested using the χ2 test while bivariate logistic regression models were used to evaluate factors associated with sex. ResultsMen showed behavioral symptoms such as wandering, verbal and physical abuse as well as sexual uninhibited behavior significantly more often than women. Regarding psychiatric symptoms, only depression was significantly more frequent in women. Surprisingly, in the presence of pain these differences in BPSD incidence between men and women were no longer detectable. Logistic regression analysis showed that in women with dementia/communication problems, the presence of pain could be indicated by resistance to care, sleeping disorders, and possibly by the presence of delusions and anxiety whereas in men it was related to abnormal thought processes, and in both sexes to depression Conclusions and ImplicationsFrom a clinical point of view, resistance to care and sleeping disorders in women and abnormal thought processes in men as well as depression in both sexes should be seen as indicators of possible underlying pain in noncommunicative people. Thus, knowledge of sex-specific BPSD presentations can improve pain management in this particularly patient group.
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