Table 1 Sampling and study design
Group | Type | No. | Covariates | Outcome | |||
|---|---|---|---|---|---|---|---|
Sex M/F | Smoking: never/daily/sometimes (days) | Maternal age (median age) | Gestational age (median weeks) | ||||
No Paracetamol, no ADHD | Control group | 96 | 52/44 | 72/0/4 | 29.5 | 40 | DNA methylation |
Paracetamol, no ADHD | Drug exposure group | Â | Â | Â | Â | Â | |
 Sporadica | 78 | 33/45 | 65/2/2 | 31.0 | 40 | ||
 Long termb | 18 | 10/8 | 14/0/2 | 28.0 | 39 | ||
No Paracetamol, ADHD | ADHD control group | 96 | 66/30 | 73/0/11 | 29.0 | 40 | |
Paracetamol, ADHD | Synergy group | Â | Â | Â | Â | Â | |
 Sporadica | 77 | 57/20 | 58/0/10 | 29.0 | 40 | ||
 Long termb | 19 | 14/5 | 13/0/3 | 29.0 | 39 | ||