Table 3

Age-adjusted association of infant formula use with autistic disorder for children aged 2–4 years.

Variable
Odds Ratio
(95% Confidence Interval)
p value

Formula without DHA/ARA
4.41
(1.24 – 15.7)
0.022
Formula with DHA/ARA
1.02
(0.33 – 3.18)
0.977
Exclusive breastfeeding (no formula use)
reference


Limited to cases with reported regression in development
Formula without DHA/ARA
12.96
(1.27 – 132)
0.031
Formula with DHA/ARA
2.76
(0.28 – 27.4)
0.387
Exclusive breastfeeding (no formula use)
reference



Schultz et al. International Breastfeeding Journal 2006 1:16   doi:10.1186/1746-4358-1-16