Table 3.

Correlation matrix between sleep and nutrition parameter scores before and during the first and last weeks of Ramadan among U14 and U17 groups.

Group	Sleep	Period	Kcal	Protein	Carbohydrates	Sugar	Lipids
U14	PSQI	BR	0.231	0.010	0.132	0.097	0.047
		R1	0.580 **	0.054	0.421 *	0.513 **	0.197
		R4	0.612 **	0.192	0.580 **	0.455 *	0.063
	ISI	BR	0.333	0.120	0.292	0.128	0.093
		R1	0.411 *	0.202	0.351 *	0.391 *	0.106
		R4	0.384 *	0.144	0. 420 *	0.401 *	0.212
	ESS	BR	0.122	0.039	0.225	0.121	0.0152
		R1	0.234	0.092	0.312	0.081	0.228
		R4	0.232	0.082	0.283	0.105	0.125
U17	PSQI	BR	0.038	0.154	0.063	0.013	0.128
		R1	0.402 *	0.080	0.574 **	0.422 *	0.192
		R4	0.432 *	0.393	0.425 *	0.351 *	0.176
	ISI	BR	0.090	0.211	0.138	0.201	0.062
		R1	0.394 *	0.301	0.614 **	0.512 *	0.127
		R4	0.422 *	0.126	0.504 *	0.431 *	0.225
	ESS	BR	0.035	0.144	0.112	0.218	0.054
		R1	0.094	0.123	0.124	0.125	0.191
		R4	0.174	0.137	0.093	0.222	0.214

PSQI: Pittsburgh Sleep Quality Index; ISI: Insomnia Severity Index; ESS: Epworth Sleepiness Scale; kcal: average energy intake over 24-h; BR: before Ramadan; R1: first week of Ramadan; R4: last week of Ramadan. The correlations are significant at the 0.05 (*) or 0.01 (**) levels (two-tailed).