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Table 2 Immigration status by childhood autism in cases and controls

From: The risk of childhood autism among second-generation migrants in Finland: a case–control study

  Cases n (%) Controls n (%) OR (95% CI) p AdjustedaOR (95% CI) p
Both parents Finnish 1 035 (91.4) 4 265 (94.5) Ref.   Ref.  
Mother only immigrated 35 (3.1) 80 (1.8) 1.8 (1.2-2.7) 0.004 1.8 (1.2-2.7) 0.004
Father only immigrated 23 (2.0) 77 (1.7) 1.2 (0.8-2.0) 0.39 1.3 (0.8-2.1) 0.34
Both parents immigrated 39 (3.5) 93 (2.1) 1.8 (1.2-2.6) 0.004 1.8 (1.2-2.7) 0.002
  1. aAdjusted for parental age. OR=odds ratio, CI=confidence interval.