Table 2.

Schedule of data collection.

	Screening a	Baseline	4 weeks	3-mo	6-mo	12-mo	18-mo	24-mo
Questionnaires
Basic eligibility data (ex. age, BMI, availabile for 2 years)	X (1)
Sociodemographic data	X (2)
Health history	X (2)
Binge Eating Scale	X (2)
Barriers to Healthy Eating		X			X	X	X	X
Medical Outcomes Study – Short Form-36		X			X	X	X	X
Cholesterol-lowering Diet Self-Efficacy – Short Form		X			X	X	X	X
Physical Activity Questionnaire		X			X	X	X	X
Perceived Stress Scale		X			X	X	X	X
Problem solving		X			X	X	X	X
Life events		X			X	X	X	X
Modifiable Activity Questionnaire		X			X	X	X	X
Experiences associated with following a low-fat diet				X	X	X	X	X
Medication update					X	X	X	X
Symptom and Injury Survey								X
General Attitudes Toward Computers Scale		X				X		X
Computer Thoughts Survey		X				X		X
Using PDA (PDA groups)			X		X
Using The DietMate Pro Program (PDA Groups)			X		X
Labs
Cholesterol – Total (mg/dL)		X				X		X
HDL (mg/dL)		X				X		X
LDL (mg/dL)		X				X		X
VLDL (mg/dL)		X				X		X
Trigycerides (mg/dL)		X				X		X
Glucose (mg/dL)		X				X		X
Measurements
Waist (cm)		X			X	X	X	X
Weight (lbs)	X (3)	X			X	X	X	X
Height (in)	X (3)	X						X
Blood pressure (mm Hg)		X			X	X	X	X
24 hour dietary recall		X			X	X	X	X
Adherence to treatment Protocol
Attendance
Self-monitoring diaries		Collected at each treatment session: weekly for months 1–4, bi-weekly for months 5–12, monthly for months 13–18, month 21.
Calories and fat grams consumed, physical activity minutes

^aScreening occurred in several phases. The initial screening (1) was conducted via the telephone. The second screening (2) was conducted via mailed questionnaires. The third (3) screening occurred at the information session. The final screening was at the baseline assessment (glucose levels were checked).