Table 4 shows findings from a longitudinal cohort study investigating the risk of offspring being diagnosed with Attention Deficit Hyperactivity Disorder (ADHD) or Major Depressive Disorder (MDD) by age 18, depending on parental diagnosis.
| ADHD | Major Depressive Disorder (MDD) | |||
|---|---|---|---|---|
| % of offspring diagnosed | Number of families | % of offspring diagnosed | Number of families | |
| Both parents diagnosed | 32.4 | 150 | 28.2 | 120 |
| One parent diagnosed | 12.1 | 5,400 | 9.8 | 6,200 |
| Neither parent diagnosed | 2.5 | 50,000 | 1.8 | 50,000 |
Outline two suggestions a psychologist might make about how these findings could be used in practice.