Melatonin Supplementation and Anthropometric Indices: A Randomized Double-Blind Controlled Clinical Trial

Table 2

of participants’ dietary intakes during the study.

Outcome	Group	Time			value
		Baseline	6^th week	12^th week
Calorie (kcal/day)	Melatonin	^a	^b	^b	0.001^†
	Placebo	^a	^b	^b	0.001^‡
	value	0.49^#	0.83^##	0.92^##
Carbohydrate (g/day)	Melatonin	^a	^b	^b	0.001^†
	Placebo	^a	^b	^b	0.001^‡
	value	0.57^#	0.94^##	0.36^##
Protein (g/day)	Melatonin	^a	^b	^b	0.001^†
	Placebo	^a	^b	^b	0.001^‡
	value	0.55^#	0.44^#	0.25^##
Fat (g/day)	Melatonin	^a	^b	^b	0.001^†
	Placebo	^a	^b	^b	0.001^‡
	value	0.48^#	0.67^##	0.89^##
Fiber (g/day)	Melatonin	^a	^b	^b	0.001^†
	Placebo	^a	^b	7^b	0.001^†
	value	0.26^#	0.89^#	0.40^##
Cholesterol (mg/day)	Melatonin	^a	^b	^b	0.001^†
	Placebo	^a	^b	^b	0.001^†
	value	0.41^#	0.31^##	0.52^##
SFA (g/day)	Melatonin	^a	^b	^b	0.001^†
	Placebo	^a	^b	^b	0.001^‡
	value	0.34^##	0.085^##	0.071^##
MUFA (g/day)	Melatonin	^a	^b	^b	0.001^‡
	Placebo	^a	^b	^b	0.001^‡
	value	0.03^#	0.22^#	0.73^#
PUFA (g/day)	Melatonin	^a	^b	^b	0.001^‡
	Placebo	^a	^b	^b	0.001^‡
	value	0.78^#	0.18^#	0.068^#

SFA: saturated fatty acid; MUFA: monounsaturated fatty acid; PUFA: polyunsaturated fatty acid. ^a,bSimilar letter in two-sided comparisons of a row indicates no significant difference. ^†Nonparametric Friedman test. ^‡Repeated measure ANOVA. ^#Independent sample -test. ^##Nonparametric Mann–Whitney test. value less than 0.05 is considered as significant.