TABLE 2

Practice Characteristics: Comparing Early- and Late-Phase Practices

Early-Phase, 16 PracticesLate-Phase, 14 PracticesIntracluster Coefficient
Practice type, no. of practices
 Community clinic27
 Hospital-owned84
 Physician- or physician group-owned65
Specialty, no. of practices
 Family medicine21
 Pediatrics1413
County, no. of practices
 Cuyahoga (Cleveland)1111
 Surrounding counties53
Percentage of pediatric patients enrolled in Medicaid
 20%–40%87
 >40%87
Health records, no. of practices
 Electronic96
 Paper78
Clinicians, physicians, and nurse practitioners (n = 102)
No. of clinicians per practice, mean (range, SD)3.50 (1–10, 2.34)3.64 (1–9, 2.27)
No. of clinician FTEs per practice, mean (range, SD)2.27 (0.9–7.0,1.67)1.98 (1.0–3.9, 0.83)
Female gender, %69.867.3
Years since professional degree, mean (SD)20.71 (8.57)24.45 (7.55)
Nonclinician staff FTEs per practice, mean (SD)4.74 (3.97)3.14 (1.67)
Well-child visit–level characteristics from chart reviews
 Age at well-child visit, y, mean/cluster (SD)6.73 (0.31)7.30 (1.09)
 Number eligible visits/cluster/data collection, mean (SD)91.84 (15.46)92.57 (10.39)N/A
 Eligible for obesity screening and counseling68.62 (12.34)72.24 (11.51)0.15
 Eligible for lead screening26.71 (9.79)22.95 (10.11)0.27
 Eligible for fluoride varnish19.11 (12,64)21.67 (7.75)0.16
Baseline preventive service delivery, unadjusted, %
 Obesity screening and counseling5.25.6
 Lead screening61.367.8
 Fluoride varnish00.9
  • FTE, full-time equivalent; —, not applicable.