Gender differences and typical nutrition concerns of the diets of preschool children – the results of the first stage of an intervention study

Table 5 Mineral intake in the studied children from Piła according to gender

Nutrient	Reference values	Girls (n = 61)		Boys (n = 61)		All children (n = 122)		P
Nutrient	Reference values	Mean	SD	Mean	SD	Mean	SD
Calcium (mg)	800^a	529	214	625	219	577	221	0.003
Phosphorus (mg)	410^a	749	169	829	178	789	177	0.012
Magnesium (mg)	110^a	167	32	179	32	173	32	0.034
Sodium (mg)	1000^b	2080 (2035^c)	444 (57^d)	2223 (2190^c)	567 (73^d)	2151 (2121^c)	512 (46^d)	NS
Potassium (mg)	3100^b	1895 (1922^c)	409 (52^d)	1974 (1947^c)	374 (48^d)	1934 (1941^c)	393 (36^d)	NS
Iron (mg)	4^a	7.1	6.5	6.9	2.2	7.0	4.8	NS
Zinc (mg)	4^a	5.5	1.2	6.0	1.3	5.8	1.3	NS
Copper (mg)	0.3^a	0.62	0.13	0.66	0.13	0.64	0.13	NS
Manganese (mg)	1.5^b	2.39 (2.35^c)	0.60 (0.08^d)	2.40 (2.34^c)	0.50 (0.06^d)	2.40 (2.35^c)	0.55 (0.05^d)	NS
Iodine (μg)	65^a	77.2	21.2	83.6	28.2	80.4	25.0	NS

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