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.
Adapted version of Appraisal tool for Cross‐Sectional Studies (AXIS)
| Axis Q3 | Is the sample size justified? |
| Axis Q6 | Selection process likely to select participants that were representative? |
| Axis Q9a | Risk factor variables measured correctly? |
| Axis Q9b | Outcome variables measured correctly? |
| Axis Q13 | Response rate raises concerns about non‐response bias? |
| Axis Q14 | Was information about non‐responders described? |
