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Table 1 The physical characteristics and daily zinc intakes of the Giardia-free and Giardia-infected groups of schoolchildren at baseline.

From: Could giardiasis be a risk factor for low zinc status in schoolchildren from northwestern Mexico? A cross-sectional study with longitudinal follow-up

Variables

Giardia-free

Giardia-infected

*p value

 

(n = 65)

(n = 49)

 

Age (yr)‡

8.8 (0.9)

8.7 (1.1)

0.70

Weight (kg)†§

30.5 (1.2)

27.1 ± (0.9)

0.02

Height (cm)†

128.7 ± 6.9

125.5 ± 7.4

0.03

W/A (z-score)†

-0.2 ± 1.3

-0.4 ± 1.3

0.04

H/A (z-score)†

-0.70 ± 1.0

-1.2 ± 1.1

0.02

W/H (z-score)

1.2 ± 1.7 47

0.8 ± 1.5 38

0.30

Daily zinc intake (mg/day)‡

5.9 ± 1.9

8.3 ± 11.7

0.12

  1. Mean ± SD; ‡ n = 114: † n = 94; n = 85; § Geometric mean (Standard Error); * Independent t-test