Table 3 Association between the prenatal tobacco smoke exposure and ADHD with the symptom domains.

From: Prenatal Tobacco Exposure Modulated the Association of Genetic variants with Diagnosed ADHD and its symptom ___domain in children: A Community Based Case–Control Study

Symptom ___domain(N)

Model 1

Model 2

Model 3

OR

(95% CI)

OR

(95% CI)

OR

(95% CI)

All ADHD(N = 168)

1.77a

(1.14–2.76)

1.90a

(1.19–3.05)

1.75b

(1.07–2.94)

Inattention(N = 154)a

1.76b

(1.16–2.77)

1.88b

(1.16–3.04)

1.71b

(1.01–2.90)

Hyperactivity(N = 86)b

2.12a

(1.23–3.60)

2.29a

(1.31–4.00)

2.34a

(1.23–4.47)

ODD(N = 40)c

2.80a

(1.39–5.66)

2.94a

(1.41–6.12)

3.15a

(1.38–7.21)

Control(N = 233)

1

 

1

 

1

 
  1. aall the patients with SNAP-IV inattention subscale score ≥ 1.6. ball the patients with SNAP-IV hyperactivity subscale score ≥ 1.6. call the ADHD patients with SNAP-IV ODD subscale score ≥ 1.6.
  2. The ORs and 95% CIs were estimated for PSE using logistic regression model. Model 1: adjusted for participants age and gender; Model 2: variables in model 1plus pregnancy age of mother, family history of nervous system diseases, low birth weight, preterm birth; Model 3, variables in model 2 plus the blood lead concentration and postnatal tobacco smoke exposure.
  3. ap < 0.01,bp < 0.05.
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