Association between baseline variables and emergency department visits made by participants over follow-up.

Notes→IRR =  incidence rate-ratio; CI =  confidence interval; AEDs =  antiepileptic drugs; Primary care QoF 8 score =  Quality and Outcomes Framework; percentage of people with epilepsy (aged ≥16) prescribed AEDs in the local population who were seizure free in the previous 12 months as recorded by primary care medical practices in England in 2009/10.
P<0.05 shown in bold; Negative binomial regression used.