Skip to main content
. Author manuscript; available in PMC: 2016 Jan 1.
Published in final edited form as: Behav Sleep Med. 2014 Mar 26;13(3):181–196. doi: 10.1080/15402002.2013.854245

Table 2.

Scorable nights in each study using seven night increments

Time Period Study week Study 1 Mean (SD)
a scorable nights
Study 2 Mean (SD)
a scorable nights
Mann-Whitney U test p-value
Baseline
1 0.73 (0.35) 0.91 (0.20) 0.04b
2 0.90 (0.19) 0.04b
3 0.76 (0.31) 0.69b

Post-intervention
1 0.58 (0.39) 0.90 (0.17) 0.002c
2 0.75 (0.30) 0.08c
a

Mean (SD=standard deviation)

b

Comparing mean scorable nights in baseline period (by week) between study 1 and study 2

c

Comparing mean scorable nights in post-intervention period (by week) between study 1 and study 2