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Walking behaviours from the 1965–2003 American Heritage Time Use Study (AHTUS)
BACKGROUND: The American Heritage Time Use Study (AHTUS) represents a harmonised historical data file of time use by adults, amalgamating surveys collected in 1965–66, 1975–76, 1985, 1992–94, and 2003. The objectives of time-use studies have ranged from evaluating household and other unpaid producti...
| Autores principales: | , , , , , , , , |
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| Formato: | Texto |
| Lenguaje: | English |
| Publicado: |
BioMed Central
2007
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| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2100063/ https://www.ncbi.nlm.nih.gov/pubmed/17897472 http://dx.doi.org/10.1186/1479-5868-4-45 |