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.
Coefficient plots for interview days from probit model after risk adjustment. Notes: This figure reports the coefficient plots with 95% confidence interview from the probit model from Supplementary appendix table SA9. The horizontal line represents the reference level of the lowest mean of the outcome variable across all interview dates
