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. Author manuscript; available in PMC: 2019 Sep 1.
Published in final edited form as: Behav Sleep Med. 2016 Oct 14;16(5):482–493. doi: 10.1080/15402002.2016.1228649

Table 2.

Average Sleep Variables Collected at Initial Visit^

Total Cohort
N=172
Inactive
(0 MET-min)
n=71
Insufficiently Active
(1-<500 MET-min)
n=40
Sufficiently Active
(≥ 500 MET-min)
n=61
Actigraphy
Sleep Onset Latency (min) 12.3 ± 10.07 13.6 ± 11.50 13.0 ± 11.00 10.3 ± 7.03
Wake after Sleep Onset (min) 71.3 ± 55.86 74.9 ± 58.08 73.4 ± 57.70 65.8 ± 52.48
 Sleep Efficiency (%) 75.3 ± 10.82 73.7 ± 11.29 75.7 ± 10.45 76.9 ± 10.41
Total Sleep Time (min) 314.0 ± 117.77 304.6 ± 118.00 325.4 ± 113.50 317.5 ± 121.47
Sleep Diary
Sleep Onset Latency (min) 20.8 ± 16.48 25.2 ± 19.03 19.2 ± 13.32 16.7 ± 13.96
Wake After Sleep Onset (min) 26.0 ± 20.82 29.5 ± 23.07 24.7 ± 17.63 23.0 ± 19.70
Sleep Efficiency (%) 90.6 ± 6.23 89.0 ± 6.96 91.4 ± 4.70 91.9 ± 5.88
Total Sleep Time (min) 457.9 ± 57.61 446.6 ± 63.02 474.1 ± 54.99 460.4 ± 50.28
PSQI 5.0 ± 2.64 6.4 ± 2.63 5.5 ± 1.97 5.3 ± 2.97
^

Baseline data may have been derived from T2 (14–16 weeks) as that was their enrollment