IJBNPA

official impact factor 3.17

Open Access Research

Issues in accelerometer methodology: the role of epoch length on estimates of physical activity and relationships with health outcomes in overweight, post-menopausal women

Kelley P Gabriel1*, James J McClain2, Kendra K Schmid3, Kristi L Storti4, Robin R High3, Darcy A Underwood4, Lewis H Kuller4 and Andrea M Kriska4

Author Affiliations

1 Division of Epidemiology and Disease Control; University of Texas Health Science Center; Austin, TX 78701, USA

2 Cancer Prevention Fellowship Program; National Cancer Institute; Bethesda, MD 20852, USA

3 Department of Biostatistics; University of Nebraska Medical Center; Omaha, NE 68198-4375, USA

4 Department of Epidemiology; University of Pittsburgh; Pittsburgh, PA 15261, USA

For all author emails, please log on.

International Journal of Behavioral Nutrition and Physical Activity 2010, 7:53 doi:10.1186/1479-5868-7-53

Published: 15 June 2010

Additional files

Additional file 1:

Relationship between inactivity [adjusted for wear time (min/day)] accumulated in 60 and 10 second epochs and health outcome measures after adjustment for body mass index kg/m2 (n = 102).

Format: DOC Size: 62KB Download file

This file can be viewed with: Microsoft Word Viewer

Open Data

Additional file 2:

Relationship between moderate- to vigorous- intensity physical activity (min/day) accumulated in 60 and 10 second epochs and health outcome measures after adjustment for body mass index kg/m2 (n = 102).

Format: DOC Size: 61KB Download file

This file can be viewed with: Microsoft Word Viewer

Open Data