Table 1.

Physical Activity Intervention Components

Theory-Based Mediators of Behavior Change	Intervention Objective	Intervention Method
Personal variables
a. Self-efficacy	Setting and achieving a series of realistic short-term goals to produce multiple success experiences	Telephone counseling Problem solving
b. Barriers	Identify barriers to regular physical activity and develop ways to overcome them	Motivational interviewing Weekly Newsletters
c. Outcomes expectancy	Develop a realistic expectancies about the benefits of regular physical activity	Tip Sheets Email messages
d. Perceived benefits	Identify benefits of being active (e.g., more energy)	CDs and DVDs to dance with infant and other children
e. Enjoyable activities	Select enjoyable activities and do them in comfortable settings	Feedback about Pedometer steps
f. Self-monitoring/feedback	Record minutes of daily physical activity or pedometer steps; receive regular feedback on progress
Social factors
Support for physical activity	Guide women to ask family, friends, co-workers to assist with, or participate in, activities	Newsletters with tip sheets Telephone counseling
	Receive support & assistance from health educator	Tips on partner support
Environmental factors
a. Access to facilities	Provide women with list of resources that list local physical activity facilities such as health clubs, walking & biking trails, stroller-friendly parks	Resource Directories
b. Access to resources that promote activity		Newsletters with resource information
c. Access to programs	Inform women about local activity-related events for families/women to be active	Telephone counseling Referral to physical activity websites
Stages of change		Newsletters
Use intervention methods appropriate to stage of change	Assess readiness to change or increase physical activities; provide relevant information or skills	Tip sheets Telephone counseling Emails