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. Author manuscript; available in PMC: 2018 Dec 1.
Published in final edited form as: Early Hum Dev. 2017 Aug 17;115:9–15. doi: 10.1016/j.earlhumdev.2017.08.002

Table 3.

Odds ratios (point estimates and 95% confidence intervals) for parent or teacher identified ADHD at the top of the column associated with the risk factor listed on the left in models of that contain all the other variables that have an odds ratio in that column. Both models account for correlation between children from the same pregnancy.

Variables ADHD symptoms
Parent-identified Teacher-identified
Maternal pre-pregnancy BMI (kg/m2) 25,<30 1.9 (1.1, 3.3) 1.0 (0.6, 1.8)
≥ 30 2.3 (1.4, 3.9) 1.0 (0.6, 1.6)
Non-white race Yes ----- 1.8 (1.1, 2.9)
Maternal age, years <21 2.4 (1.1, 5.4) 1.1 (0.5, 2.4)
21-35 1.7 (0.97, 3.0) 1.0 (0.6, 1.8)
Years of education <12 0.9 (0.6, 1.6) 1.9 (1.04, 3.5)
12, <16 0.6 (0.4, 1.1) 1.9 (1.03, 3.4)
Public insurance Yes 1.5 (0.9, 2.5) 1.0 (0.6, 1.9)