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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 1.

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

Characteristic BiP Wildtype BiP Heterozygous
Mean ± SD ANOVA p Mean ± SD ANOVA p
2–3 Months
(N=7)
12 Months
(N=13)
18 Months
(N=8)
2–3 Months
(N=8)
12 Months
(N=9)
18 Months
(N=6)
Lights Off
Wake
 Bout Duration 5.62 ± 2.14 3.88 ± 2.47 3.08 ± 1.3 0.0797 7.84 ± 4.36 4.50 ± 1.75 2.77 ± 0.65 0.0092
 Bout Number 94.6 ± 37.2 138.9 ± 60.6 169.1 ± 70.4 0.0680 77.8 ± 26.9 125.8 ± 60.7 179.7 ± 37.7 0.0020
 Total Minutes 469.9 ± 50.6 426.2 ± 79.7 456.0 ± 74.6 0.4018 517.3 ± 61.9 482.6 ± 74.1 477.8 ± 33.4 0.4117
NREM
 Bout Duration 2.35 ± 0.69 2.12 ± 0.79 1.55 ± 0.67 0.1040 2.41 ± 0.53 1.93 ± 0.80 1.15 ± 0.26 0.0039
 Bout Number 103.0 ± 36.1 142.2 ± 62.8 173.0 ± 72.2 0.1025 78.1 ± 26.7 129.6 ± 67.1 180.8 ± 37.0 0.0034
 Total Minutes 225.5 ± 50.5 267.4 ± 78.9 233.5 ± 67.9 0.3710 181.7 ± 58.7 222.7 ± 67.5 201.9 ± 35.8 0.3636
REM
 Bout Duration 1.08 ± 0.34 1.08 ± 0.19 0.91 ± 0.27 0.2974 1.11 ± 0.231 0.74 ± 0.36 0.99 ± 0.320 0.0417
 Bout Number 26.9 ± 16.7 24.5 ± 7.1 32.5 ± 15.4 0.3804 19.5 ± 8.7 17.9 ± 11.5 42.0 ± 11.9 0.0007
 Total Minutes 24.5 ± 7.0 26.3 ± 8.5 30.6 ± 13.8 0.4824 21.0 ± 9.7 14.7 ± 11.0 40.4 ± 7.9 0.0003
Lights On
Wake
 Bout Duration 1.63 ± 0.58 1.58 ± 0.56 1.16 ± 0.41 0.1574 1.97 ± 0.65 1.57 ± 0.46 1.14 ± 0.16 0.0180
 Bout Number 163.6 ± 65.1 178.9 ± 63.0 288.8 ± 173.4 0.0497 144.1 ± 41.3 185.9 ± 67.2 285.3 ± 38.6 0.0003
 Total Minutes 239.8 ± 45.7 256.7 ± 51.7 281.4 ± 54.1 0.2955 269.3 ± 61.9 271.3 ± 63.9 320.1 ± 14.3 0.1887
NREM
 Bout Duration 2.51 ± 0.9 2.32 ± 0.87 1.54 ± 0.71 0.0672 2.76 ± 0.76 2.25 ± 0.77 1.10 ± 0.17 0.0006
 Bout Number 182.9 ± 56.5 193.5 ± 60.0 302.9 ± 189.8 0.0720 151.6 ± 41.6 200.2 ± 80.2 294.3 ± 39.8 0.0010
 Total Minutes 417.1 ± 48.2 409.9 ± 55.7 376.4 ± 71.6 0.3497 394.0 ± 56.3 410.8 ± 65.8 318.7 ± 22.6 0.0125
REM
 Bout Duration 1.12 ± 0.32 1.03 ± 0.31 0.89 ± 0.33 0.3954 1.20 ± 0.17 0.85 ± 0.39 0.86 ± 0.18 0.0349
 Bout Number 62.9 ± 31.3 56.2 ± 18.7 72.6 ± 33.0 0.4041 48.4 ± 18.1 43.1 ± 22.8 97.5 ± 24.1 0.0003
 Total Minutes 63.2 ± 15.9 53.5 ± 11.4 62.2 ± 27.5 0.4278 56.7 ± 18.3 37.8 ± 20.2 81.2 ± 12.5 0.0007

p-value testing the global null hypothesis of no differences in sleep and wake characteriscs across age groups;

Average bout duration in minutes; Nominally significant ANOVA p-values (p<0.05) shown in bold.