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.
Comparison before and after lifestyle intervention by Pittsburgh Sleep Quality Index (PSQI) (n=80)
| Before intervention | Group | n | Mean | SD | za | p |
|---|---|---|---|---|---|---|
| PSQI | Intervention | 40 | 9.83 | 3.90 | −0.533 | 0.594 |
| Control | 40 | 10.20 | 3.69 | |||
| After intervention | Group | n | Mean | SD | za | p |
| PSQI | Intervention | 40 | 2.40 | 1.39 | −7.335 | <0.001 |
| Control | 40 | 9.45 | 3.95 |
Sleep Quality Index (PSQI)
= Mann Whitney U test
=p<0.001
