Mood Disorders and Risk of Herpes Zoster in Two Population-Based Case-Control Studies in Denmark and the United Kingdom

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We examined the association between mood disorders and risk of herpes zoster in two case-control studies using data from nationwide Danish registries and practices in the UK Clinical Practice Research Datalink. We included incident zoster cases diagnosed in general practice (using systemic antivirals as proxy in Denmark) or hospital during 1997-2013 in Denmark (n = 190,671) and during 2000-2013 in the UK (n = 177,361). We risk-set sampled four matched population controls per case. Conditional logistic regression analyses adjusted for zoster risk factors showed that the odds ratios (ORs) for previous mood disorder among cases vs. controls were 1.15 (99% confidence interval (CI): 1.12, 1.19; prevalence 7.1% vs. 6.0%) in Denmark and 1.12 (99% CI: 1.11, 1.14; prevalence 31.6% vs. 29.2%) in the UK. In Denmark, ORs were higher for anxiety (1.23; 99% CI: 1.17, 1.30) and severe stress and adjustment disorder (1.24; 99% CI: 1.18, 1.30) than for depression (1.11; 99% CI: 1.07, 1.14). In the UK, ORs for these conditions were similar: 1.12 (99% CI: 1.10, 1.13), 1.12 (99% CI: 1.10, 1.14), and 1.14 (99% CI: 1.10, 1.19) for depression, anxiety, and severe stress and adjustment disorder, respectively. In conclusion, mood disorders were associated with an increased risk of zoster.

Original languageEnglish
JournalAmerican Journal of Epidemiology
Volume187
Issue number5
Pages (from-to)1019-1028
Number of pages10
ISSN0002-9262
DOIs
StatePublished - May 2018

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