Dog Walking and Physical Activity in the United States

by Ham, Sandra A, Epping, Jacqueline
Published 2006

Trends in Walking for Transportation in the United States, 1995 and 2001

by Ham, Sandra A, Macera, Caroline A, Lindley, Corina
Published 2005

Validation of reported physical activity for cholesterol control using two different physical activity instruments

by Fan, Amy Z, Ham, Sandra A, Muppidi, Shravani Reddy, Mokdad, Ali H
Published 2009

Physical Activity Patterns Among Latinos in the United States: Putting the Pieces Together

by Ham, Sandra A, Yore, Michelle M, Kruger, Judy, Moeti, Refilwe, Heath, Gregory W
Published 2007

A Sex Difference in the Predisposition for Physical Competition: Males Play Sports Much More than Females Even in the Contemporary U.S

by Deaner, Robert O., Geary, David C., Puts, David A., Ham, Sandra A., Kruger, Judy, Fles, Elizabeth, Winegard, Bo, Grandis, Terry
Published 2012

Prevalence of Physical Activity in the United States: Behavioral Risk Factor Surveillance System, 2001

by Macera, Caroline A, Ham, Sandra A, Yore, Michelle M, Jones, Deborah A, Dexter Kimsey, C, Kohl, Harold W, Ainsworth, Barbara E
Published 2005