TABLE 1

Differences in Rates of ADHD Treatment Care Across Intervention and Control Groups

Control (n = 208)Intervention (n = 165)P Level for Group DifferenceCohen’s d
Number of contacts in first year6.58 contactsa (0.31)8.21 contactsb (0.32).00080.38
Number of parent scales to monitor treatment in first year0.54 scales (0.31)3.04 scales (0.33)<.00010.57
Number of teacher scales to monitor treatment in first year0.26 scales (0.34)2.83 scales (0.36)<.00010.54
Proportion of days covered by medication prescriptions54.43% (1.98)59.00% (2.15).090.16
Of children taking stimulants (n = 342), final daily dosec23.40 mg (1.07)25.17 mg (1.14).270.12
  • a Contacts included 75% office visits, 25% phone, and 0% e-mail.

  • b Contacts included 59% office visits, 39% phone, and 2% e-mail.

  • c Methylphenidate or methylphenidate equivalent milligrams.