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Table 4 Logistic Regression Models with Variables Associated with Reported Non-Febrile Seizures (N = 770)

From: Prevalence of non-febrile seizures in children with idiopathic autism spectrum disorder and their unaffected siblings: a retrospective cohort study

Variable Model 1 OR (95% CI) Model 2 OR (95% CI) Model 3 OR (95% CI) Model 4 OR (95% CI) Model 5b OR (95% CI)
ASD Status
Affected 3.48 (1.23–9.87)a 4.00 (1.46–11.00)a 4.63 (1.62–13.22)a 4.79 (1.47–15.63)a 5.27 (1.51–18.35)a
Unaffected Reference ------ ------ ------
Gender(fem.) ------- 1.49 (0.82–2.74) 1.59 (0.86–2.93) 1.50 (0.79–2.84) 1.51 (0.78–2.91)
Age (yr.) at AGRE asses. ------- ------ 1.12 (1.04–1.22) 1.11 (1.02–1.20) 1.12 (1.03–1.21)
GI dysf. ------- ------- ------- 1.91 (1.05–3.48) 1.87 (1.03–3.41)
History of febr. seizures ------- ------- ------- ------- 5.34 (1.86–15.37)
  1. aStatistics represent change in the point estimate with addition of each variable into the model (one at a time) starting with gender
  2. bFinal model