Table 2.

Comparing the energy and nutrient intakes per day before and after the intervention between study groups.

Variable		The Study Groups		MMD	p-Value **
		Placebo (n = 37)	Vitamin D (n = 34)
Energy (kcal)	Before	1896.76 ± 151.35	1920.24 ± 194.77	24.66	0.535
	After	1963.35 ± 160.97	1989.62 ± 169.90
	PC	4.26	4.40
	p-value *	0.098	0.078
CHO (gr)	Before	241.04 ± 37.33	251.29 ± 46.99	11.94	0.339
	After	251.22 ± 40.19	256.93 ± 63.62
	PC	6.69	8.34
	p-value *	0.262	0.201
Fat (gr)	Before	79.67 ± 14.42	79.69 ± 19.20	−4.89	0.264
	After	83.96 ± 16.41	79.06 ± 20.33
	PC	9.46	7.10
	p-value *	0.236	0.908
Protein (gr)	Before	59.27 ± 12.36	57.27 ± 13.17	4.07	0.284
	After	57.62 ± 15.61	61.80 ± 15.88
	PC	2.43	12.26
	p-value *	0.646	0.183
Vitamin D (µg)	Before	0.35 ± 0.24	0.36 ± 0.24	−0.59	0.366
	After	0.46 ± 0.27	0.40 ± 0.27
	PC	136.70	99.48
	p-value *	0.071	0.531
Vitamin A (µg)	Before	615.73 ± 556.07	625.55 ± 473.41	−105.30	0.267
	After	560.77 ± 450.42	456.49 ± 329.51
	PC	97.42	2.48
	p-value *	0.610	0.087

* p-value was reported based on Paired sample t test. ** p-value was reported based on Analysis of Variance (ANCOVA) after adjustment of baseline values. CHO: carbohydrate; MMD: Marginal Mean Difference; PC: Percent Change; PB: Lead; PTH: Parathyroid hormone.