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.
Mean nights not scored in each study tabulated by reason not scored
| Reason not scored | Study 1 Mean (SD) nights not scored | Study 2 Mean (SD) nights not scored | Mann-Whitney U p-value |
|---|---|---|---|
| Watch not worn | .60 (.10) | .30 (.93) | 0.07 |
| Missing or discrepant data | .35 (.67) | .19 (.70) | 0.06 |
| Watch malfunction | .35 (1.65) | .16 (.96) | .78 |
| Incomplete sleep diaries | .65 (2.06) | .04 (.34) | .04 |
SD = standard deviation
