The aim of this study was to assess the indirect costs caused by absenteeism associated with inflammatory bowel disease (IBD) - (Crohn’s disease – CD; and ulcerative colitis - UC) from the perspective of the Social Insurance Institution (ZUS) in Poland
The estimates were based on data provided by ZUS referring to year 2013 and concerning absence from work due to the illness (sick leave), the amount of short-term disability, the sufferers of which claim rehabilitation benefit, and the amount of permanent (or long-term) disability, the sufferers of which claim disability pension. Costs were calculated with Human Capital Approach methodology taking into account Gross Domestic Product (GDP) per capita equaled €10 278.
Total indirect costs of CD, UC in the year 2013 calculated using GDP per capita in Poland were €7 817 156 and €8 990 313, respectively. Total indirect costs of IBD in the year 2012 and 2013 in Poland were €14 220 181 and € 16 807 469, respectively (an increase of nearly 15% because of substantial growth short-term disabilities). The highest component of indirect costs of IBD was sick leave (51%). Long and short-term disability costs constitute 39% (limited period – 19% and unlimited period 20%) and 10% of total indirect costs of IBD, respectively. One sick leave of person with IBD generated the cost of lost productivity equal €779 calculated using GDP per capita. Indirect cost of short-term disability for one entitlement to the benefit of rehabilitation were €7 314. Cost of one long-term benefit were much higher than short-term benefit and equaled for limited period €36 714 and unlimited period €941. Total long-term disability costs amounted €676 651.
IBD in Poland generated high indirect costs. The main component was sick leave; rehabilitation benefit and disability pension generated lower costs of lost productivity.
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