Table 3.

Levels of albumin, zinc and vitamin D (vitD) in plasma samples from schoolchildren from the Taraco and Caranavi stratified by age and gender

	Taraco (Puna)				Caranavi (Yungas)
	Mean ± SEM				Mean ± SEM
Stratification	N°	Albumin (g/dL)	Zinc (μmol/L)	VitD (nmol/L)	N°	Albumin (g/dL)	Zinc (μmol/L)	Vit D (nmol/L)
Gender
Male	55	4.28 ± 0.05****	13.44 ± 0.23	64.5 ± 3.54	41	4.56 ± 0.04	13.88 ± 0.26	72.76 ± 5.88
Female	57	4.26 ± 0.03****	13.16 ± 0.22	65.82 ± 4.15*	50	4.52 ± 0.04	13.72 ± 0.26	84.96 ± 7.10
Age group (y)
6–7	22	4.16 ± 0.04****	13.2 ± 0.25	71.82 ± 6.09	26	4.47 ± 0.06	13.6 ± 0.27	84.92 ± 6.35
8–10	58	4.31 ± 0.04****	13.2 ± 0.28	64.76 ± 4.20	53	4.5 ± 0.03	14.03 ± 0.30	79.27 ± 7.00
11–12	32	4.30 ± 0.05****	13.4 ± 0.31	61.26 ± 4.05	12	4.6 ± 0.07	13.7 ± 0.41	69.42 ± 12.41
Total	112	4.28 ± 0.03****	13.62 ± 0.26	65.98 ± 2.67**	91	4.55 ± 0.03	13.79 ± 0.18	79.43 ± 4.76

Differences between samples in Taraco and Caranavi are significant at **P < 0.01; ****P < 0.0001 student’s t test and analysis of variance.