. 2020 May 29;2(2):225–245. doi: 10.3390/clockssleep2020018

Table A2.

Results of the LMM analyses of sleepiness (KSS).

DV	Term	DF	F	p	R ²	Post-hoc	ICC_Subject
During nightshift	Condition	1776.3	0.305	0.581	0		0.393
During nightshift	Daytype	2776.6	6.34	0.002 **	0.016	FN > N, LN;
During nightshift	Time of day	4776.1	51.53	0.001 ***	0.202	6–8 h > 0–2 h; 6 h > 0–4 h
During nightshift	Condition × Daytype	2776.4	3.32	0.037 *	0.007	Plac: FN > LN Plac: FN > Treat: N
During nightshift	Condition × Daytype × Time of day	8776.0	1.29	0.243	0.012	FN, 4 h, Plac. > Treatm. N, 8 h, Plac. > Treatm.
After nightshift	Condition	1416.2	0.968	0.326	0.036		0.398
After nightshift	Daytype	2417.2	3.31	0.038 *	0.018	FN < N;
After nightshift	Time of Day	3417.0	3.44	0.017 *	0.025	18 h > 20 h
After nightshift	Condition × Daytype	2415.9	0.191	0.827	0.002
D1, D2, R1, R2	Condition	1806.0	0.710	0.400	0		0.178
D1, D2, R1, R2	Daytype	3805.6	2.68	0.046 *	0.007	D1 < D2, R1, R2;
D1, D2, R1, R2	Time of day	8805.8	13.03	0.001 ***	0.117	12–20 h < 8–10 h, 22–24 h
D1, D2, R1, R2	Condition × Daytype	3804.8	0.856	0.462	0.005
D1, D2, R1, R2	Condition × Daytype × Time of day	15,804.5	0.677	0.809	0.014	R1, 18 h, Plac. < Treatm.

Note. D1 = first day before nightshift, D2 = second day before nightshift, FN = first night of nightshift, N = nightshift, LN = last night of nightshift, R1 = first recovery day, and R2 = second recovery day. * = p < 0.05; ** = p < 0.01; *** = p < 0.001.