Ulcerative colitis and Crohn's disease are the commonest types of inflammatory bowel disease (IBD). Both conditions range in severity from no symptoms to being potentially fatal. Both conditions are treated with medications which suppress the immune system. It is not known whether this increases the risk for infections and cancers in these conditions. It is also recognised by healthcare professionals that these conditions cause a considerable amount of psychological distress. However, this has never been measured in a large population sample. This study will investigate any associations with treatment and new onset infections and cancer. They will also examine the relationship between IBD and common mental health problems (specifically, depression and anxiety) and the impact that these have on the healthcare use (including number of general practitioner \[GP\] appointments, hospital attendances, and medication prescriptions. Combined, these studies should provide a better understanding of the impact of IBD on affected people and provide evidence to support the correct allocation of healthcare resources.
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Prevalence of Anxiety Episodes (Crohn's Disease)
Timeframe: Measured over five years - 2014 to 2018 inclusive
Prevalence of Anxiety Episodes (Ulcerative Colitis)
Timeframe: Measured over five years - 2014 to 2018 inclusive
Prevalence of Depressive Episodes (Crohn's Disease)
Timeframe: Measured over five years - 2014 to 2018 inclusive
Prevalence of Depressive Episodes (Ulcerative Colitis)
Timeframe: Measured over five years - 2014 to 2018 inclusive
Number of People With Depressive Disorder in People With and Without Crohn's Disease
Timeframe: Measured over five years - 2014 to 2018 inclusive
Number of People With Depressive Disorder in People With and Without Ulcerative Colitis
Timeframe: Measured over five years - 2014 to 2018 inclusive
Number of People With at Least One Infection Event in Those With and Without Ulcerative Colitis
Timeframe: Measured over 5 years - 2014 to 2018 inclusive
Number of People With at Least One Infection Event in Those With and Without Crohn's Disease
Timeframe: Measured over 5 years - 2014 to 2019 inclusive
Number of People With at Least One Sub-infection Event in Those With and Without Ulcerative Colitis
Timeframe: Measured over 5 years - 2014 to 2019 inclusive
Number of People With at Least One Sub-infection Event in Those With and Without Crohn's Disease
Timeframe: Measured over 5 years - 2014 to 2019 inclusive