TABLE 1.

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

	Control (n = 208)	Intervention (n = 165)	P Level for Group Difference	Cohen’s d
Number of contacts in first year	6.58 contactsa (0.31)	8.21 contactsb (0.32)	.0008	0.38
Number of parent scales to monitor treatment in first year	0.54 scales (0.31)	3.04 scales (0.33)	<.0001	0.57
Number of teacher scales to monitor treatment in first year	0.26 scales (0.34)	2.83 scales (0.36)	<.0001	0.54
Proportion of days covered by medication prescriptions	54.43% (1.98)	59.00% (2.15)	.09	0.16
Of children taking stimulants (n = 342), final daily dosec	23.40 mg (1.07)	25.17 mg (1.14)	.27	0.12

^aContacts included 75% office visits, 25% phone, and 0% e-mail.

^bContacts included 59% office visits, 39% phone, and 2% e-mail.

^cMethylphenidate or methylphenidate equivalent milligrams.