Background: Web-based interventions are popular for promoting healthy lifestyles such as
physical activity. However, little is known about user characteristics, adherence, attrition, and …

Purpose: Given the prevalence of physical inactivity among American adults, convenient,
low-cost interventions are strongly indicated. This study determined the 6-and 12-month …

Objective: Physical inactivity is a modifiable risk factor for breast cancer. Physical activity
interventions that can be delivered through the Internet have the potential to increase …

OBJECTIVE: To evaluate the use of a local neighborhood environment-focused physical
activity website and its effects on walking and overall physical activity in middle-aged adults …

Issue addressed To explore the feasibility of using the Internet and e‐mail to promote
physical activity in a defined community. Methods An online survey was conducted through …

BACKGROUND: Mediated physical activity interventions can reach large numbers of people
at low cost. Programs delivered through the mail that target the stage of motivational …

Background: Ethnic minorities or those with low socioeconomic status (SES) are at
increased risk of cardiovascular disease, type 2 diabetes, and all-cause mortality, compared …

Background Web-based interventions for physical activity offer several advantages over face-
to-face, print-and telephone-based interventions and are scalable and potentially cost …

Purpose: To compare the effects of a physical activity (PA) intervention of group meetings
versus group meetings supplemented by personal calls or automated calls on the adoption …

Abstract Information and communication technologies (particularly websites and e-mail)
have the potential to deliver health behavior change programs to large numbers of adults at …