Preventing Overweight in USAF Personnel: Minimal Contact Program

The objective of this study is to compare the relative effectiveness of two approaches to weight management, using a controlled comparison experiment. The two approaches are: Minimal Contact Behavior Therapy Plus Usual Care (MCBT+UC) which includes an orientation meeting, provision of a self-help book, use of an interactive weight management web site for 6 months, and 2 brief motivational interviewing telephone follow-ups, plus usual care;and Usual Care (UC) which includes and orientation meeting and usual care (consisting of required USAF annual physical and fitness exam, participation in any mandatory weight loss or fitness programs, and the requirement to stay below a Maximum Allowable Weight [MAW], with penalties or separation as potential contingencies for failure to remain below MAW). The primary outcome is weight loss.Additional outcomes include body mass index, percent body fat, and waist circumference.

Inclusion criteria

• Within 5 pounds below or equal to their MAW or above MAW according to USAF Weight and height tables
• Access to personal computer with Internet access
• Plan to remain in the local area for one year
• Male or female between the ages 18-55 years

Exclusion criteria

• Pregnant, planning to become pregnant or becomes pregnant
• Weight loss of more than 10 pounds in the past 3 months
• No prescription or nonprescription weight-loss medication for at least 6 months prior to screening
• On any medical profile. Specific exclusion includes history of myocardial infarction, stroke, or cancer in the past 5 years, diabetes, angina, and orthopedic or joint problems that would prohibit exercise.