Perceived built environment and physical activity in U.S. women by sprawl and region.

Background: A number of studies have demonstrated relationships between the perceived built environment and physical activity among adults. However, little is known about whether these associations differ by U.S.

Reliability of a brief intercept survey for trail use behaviors.

Purpose: This study assessed test-retest reliability of an interviewer-administered trail survey.

Methods: An intercept survey was conducted with adults using 2 paved trails in Indiana and South Carolina (N = 295; mean age = 46.9 +/- 18 y).