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.
Prevalence of sleep insufficiency among exposed group and controls
| Sleep insufficiency | Exposed group (n = 50) N (%) | Controls (n = 46) N (%) | Tests of significance (Chi-square test) | P value |
|---|---|---|---|---|
| Present | 9 (18) | 4 (8.70) | 1.77 | 0.24 |
| Absent | 41 (82) | 42 (91.30) |
