Using a single question to assess physical activity in older adults: a reliability and validity study
<p>Abstract</p> <p>Background</p> <p>Single-item physical activity questions provide a quick approximation of physical activity levels. While recall questionnaires provide a more detailed picture of an individual's level of physical activity, single-item questions...
| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
| Published: |
BMC
2012-02-01
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| Series: | BMC Medical Research Methodology |
| Subjects: | |
| Online Access: | http://www.biomedcentral.com/1471-2288/12/20 |