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Erschienen in:
11.05.2016 | Original Paper
Prescribed psychiatric medication among multiple sclerosis patients before and after disability pension: a register study with matched controls
Erschienen in: Social Psychiatry and Psychiatric Epidemiology | Ausgabe 7/2016
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Background
Many multiple sclerosis (MS) patients of working ages have psychiatric comorbidity, and 60 % are on disability pension (DP). It is unknown how DP is associated with MS patients’ mental health. The objective of this study was to investigate the association between prescriptions of psychiatric medication and time before and after receiving full-time DP in MS patients compared with matched controls.
Methods
Nationwide Swedish registers were used to identify 3836 MS patients who were granted DP in 2000–2012 and 19,180 DP controls matched on socio-demographic variables by propensity scores. Patients and controls were organized in groups by year granted DP. Adjusted odds ratios (ORs) with 95 % confidence intervals (CIs) were calculated for being prescribed selective serotonin reuptake inhibitors (SSRIs), benzodiazepines, or sleeping agents in 2006.
Results
Both patients and controls, who were not yet on DP in the study year of 2006, had lower OR compared with those who were granted DP in the same year. The OR increased when being closer to DP. MS patients, who had been granted DP 5–6 years earlier, had a higher risk for prescription of benzodiazepines (OR 1.72; 95 % CI 1.16–2.57) than controls (OR 1.14; 95 % CI 1.14–1.18). These patients also had a higher risk for SSRI prescription when compared directly with controls (OR 1.76; 95 % CI 1.44–2.15).
Conclusions
MS patients have substantially higher odds ratios for being prescribed psychiatric drugs after DP than other disability pensioners. Further research on the association of DP with the mental health of MS patients is warranted.