International Scholarly Research Notices

Research Article

Pregnancy-Related Maternal Risk Factors of Attention-Deficit Hyperactivity Disorder: A Case-Control Study

Table 1

t-test results for comparison of mean parental ages at pregnancy and pregnancy duration in case and control groups.
VariableGroup
ADHDControl š‘” df š‘ƒ value
( M e a n Ā± S D ) ( M e a n Ā± S D )
Maternal age at pregnancy (years) 2 5 . 6 0 Ā± 5 . 1 6 2 5 . 0 4 Ā± 4 . 9 5 1.013280.32
Paternal age at pregnancy (years) 3 0 . 9 9 Ā± 5 . 4 0 3 0 . 2 0 Ā± 6 . 2 6 1.223280.22
Pregnancy duration (months) 8 . 9 0 Ā± 0 . 4 5 8 . 9 4 Ā± 0 . 3 7 0.963280.34