Beneficiary Baseline Characteristics By Study Period.

<p>SD, Standard deviation; NE, Northeast; NC, North Central</p><p>^a Mean monthly percentage of population with medical encounters in the 3-months prior</p><p>Beneficiary Baseline Characteristics By Study Period.</p

Overall Population Trends: Incidence Trends per 100 000 Youth.

<p>Overall Population Trends: Incidence Trends per 100 000 Youth.</p

Population Trends by Predictor of Initiation- Gender Specific Trends: Incidence per 100 000 Youth.

<p>Population Trends by Predictor of Initiation- Gender Specific Trends: Incidence per 100 000 Youth.</p

Population Trends by Predictor of Initiation- Age Group Specific Trends: Incidence per 100 000 Youth.

<p>Population Trends by Predictor of Initiation- Age Group Specific Trends: Incidence per 100 000 Youth.</p

Monthly Mean Incidence (95% CI) Per 100 000 Commercially Insured Children: Overall and by Predictor Subgroups

<p>CI, Confidence Interval; NE, Northeastern; NC, North Central</p><p>^a Based on medical encounters in the 3-months prior to index drug date</p><p>^b Patients who visited “neither” specialties were omitted from table</p><p>Monthly Mean Incidence (95% CI) Per 100 000 Commercially Insured Children: Overall and by Predictor Subgroups</p

Population Trends by Predictor of Initiation- Physician Specialty Trends: Incidence per 100 000 Youth.

<p>Population Trends by Predictor of Initiation- Physician Specialty Trends: Incidence per 100 000 Youth.</p