Table 4.

Schedule of data collection measures and procedures

Measures and procedures	Schedule
	Fall sixth (baseline)	Spring sixth	Fall seventh	Spring seventh (interim)	Fall eighth	Spring eighth (end of study)
Student demographics	×					×
Student health screening
Height and weight	×			×		×
Waist circumference	×					×
Blood pressure	×					×
Fasting blood drawa	×					×
Student self-report surveys
Sexual maturity	×					×
Quality of life	×			×		×
Dietary intake	×					×
Physical activity/inactivity	×					×
Student fitness	×					×
Economic costs	×	×	×	×	×	×
School food environment	×			×		×
PE class activity level	×			×		×
School academic performance	b	×	×	×	×	×
Environmental influences		×		×		×
Process evaluationc		×	×	×	×	×

^aGlucose, insulin, lipids, HbA1c, stored specimens.

^bBaseline measures of academic performance were collected for school year 2005-2006.

^cProcess evaluation was performed in intervention schools only.