Does being physically active prevent future disability in older people? Attenuated effects when taking time-dependent confounders into account
Abstract Background Causal experimental evidence that physical activity prevents disability in older people is sparse. Being physically active has nonetheless been shown to be associated with disability-free survival in observational studies. Observational studies are, however, prone to bias introdu...
| Main Authors: | , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
BMC
2017-12-01
|
| Series: | BMC Geriatrics |
| Subjects: | |
| Online Access: | http://link.springer.com/article/10.1186/s12877-017-0657-3 |