| 1 | (‘built environment’ OR ‘neighborhood’ OR ‘environment’) | 864,917 |
| 2 | (older* OR senior* OR elder*) | 4,178,606 |
| 3 | #1 AND #2 | 66,062 |
| 4 | (‘physical activity’ OR ‘walkability’) | 193,972 |
| 5 | #3 AND #4 | 4614 |
| 6 | [2009–2019]/py | 13,972,704 |
| 7 | #5 AND #6 | 3859 |
| 8 | [systematic review]/lim OR [meta analysis]/lim | 279,440 |
| 9 | #7 AND #8 | 72 |
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.