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. Author manuscript; available in PMC: 2019 Sep 1.
Published in final edited form as: Neurobiol Aging. 2018 Apr 30;69:10–25. doi: 10.1016/j.neurobiolaging.2018.04.011

Table 2.

Sleep and wake characteristics between BiP genotypes within age groups during lights off and lights on

Characteristic 2–3 Months 12 Months 18 Months
BiP-WT
(N=7)
BiP-HET
(N=8)
p BiP-WT
(N=13)
BiP-HET
(N=9)
p BiP-WT
(N=8)
BiP-HET
(N=6)
p
Lights Off
Wake
 Bout Duration 5.62 ± 2.14 7.84 ± 4.36 0.2451 3.88 ± 2.47 4.50 ± 1.75 0.5235 3.08 ± 1.3 2.77 ± 0.65 0.6053
 Bout Number 94.6 ± 37.2 77.8 ± 26.9 0.3297 138.9 ± 60.6 125.8 ± 60.7 0.6246 169.1 ± 70.4 179.7 ± 37.7 0.7467
 Total Minutes 469.9 ± 50.6 517.3 ± 61.9 0.1322 426.2 ± 79.7 482.6 ± 74.1 0.1089 456.0 ± 74.6 477.8 ± 33.4 0.5201
NREM
 Bout Duration 2.35 ± 0.69 2.41 ± 0.53 0.8673 2.12 ± 0.79 1.93 ± 0.80 0.5887 1.55 ± 0.67 1.15 ± 0.26 0.1883
 Bout Number 103.0 ± 36.1 78.1 ± 26.7 0.1497 142.2 ± 62.8 129.6 ± 67.1 0.6574 173.0 ± 72.2 180.8 ± 37.0 0.8134
 Total Minutes 225.5 ± 50.5 181.7 ± 58.7 0.1477 267.4 ± 78.9 222.7 ± 67.5 0.1815 233.5 ± 67.9 201.9 ± 35.8 0.3228
REM
 Bout Duration 1.08 ± 0.34 1.11 ± 0.23 0.8463 1.08 ± 0.19 0.74 ± 0.36 0.0248 0.91 ± 0.27 0.99 ± 0.320 0.5334
 Bout Number 26.9 ± 16.7 19.5 ± 8.7 0.2946 24.5 ± 7.1 17.9 ± 11.5 0.1081 32.5 ± 15.4 42.0 ± 11.9 0.2349
 Total Minutes 24.5 ± 7.0 21.0 ± 9.7 0.4444 26.3 ± 8.5 14.7 ± 11.0 0.0112 30.6 ± 13.8 40.4 ± 7.9 0.1470
Lights On
Wake
 Bout Duration 1.63 ± 0.58 1.97 ± 0.65 0.3043 1.58 ± 0.56 1.57 ± 0.46 0.9374 1.16 ± 0.41 1.14 ± 0.16 0.8933
 Bout Number 163.6 ± 65.1 144.1 ± 41.3 0.4958 178.9 ± 63.0 185.9 ± 67.2 0.8044 288.8 ± 173.4 285.3 ± 38.6 0.9583
 Total Minutes 239.8 ± 45.7 269.3 ± 61.9 0.3189 256.7 ± 51.7 271.3 ± 63.9 0.5584 281.4 ± 54.1 320.1 ± 14.3 0.0878
NREM
 Bout Duration 2.51 ± 0.9 2.76 ± 0.76 0.5647 2.32 ± 0.87 2.25 ± 0.77 0.8544 1.54 ± 0.71 1.10 ± 0.17 0.1264
 Bout Number 182.9 ± 56.5 151.6 ± 41.6 0.2402 193.5 ± 60.0 200.2 ± 80.2 0.8230 302.9 ± 189.8 294.3 ± 39.8 0.9046
 Total Minutes 417.1 ± 48.2 394.0 ± 56.3 0.4126 409.9 ± 55.7 410.8 ± 65.8 0.9709 376.4 ± 71.6 318.7 ± 22.6 0.0614
REM
 Bout Duration 1.12 ± 0.32 1.20 ± 0.17 0.5292 1.03 ± 0.31 0.85 ± 0.39 0.2406 0.89 ± 0.33 0.86 ± 0.18 0.8400
 Bout Number 62.9 ± 31.3 48.4 ± 18.1 0.2842 56.2 ± 18.7 43.1 ± 22.8 0.1548 72.6 ± 33.0 97.5 ± 24.1 0.1460
 Total Minutes 63.2 ± 15.9 56.7 ± 18.3 0.4852 53.5 ± 11.4 37.8 ± 20.2 0.0309 62.2 ± 27.5 81.2 ± 12.5 0.1432

p-value from T-test comparing sleep and wake characteristics between wildtype and heterozygous animals within each age group;

Average bout duration in minutes; nominally significant genotype differences (p<0.05) shown in bold.