Association of Helicobacter pylori infection and giardiasis: Results from a study of surrogate markers for fecal exposure among children

Table 1 Selected characteristics of 121 children admitted to a public hospital in Salvador, Brazil, 2001-2002.

	N (%)
Age group (in yr)
1-3	43 (35.5)
4-6	50 (41.3)
7-9	16 (13.2)
10-12	12 (9.9)
Gender
Male	66 (54.5)
Female	55 (45.5)
Ethnicity
Black	56 (46.3)
Mixed	59 (48.8)
White	6 (5.0)
Educational attainment of family supporter
Less than middle school	87 (71.9)
Complete middle and less than high school	21 (17.4)
High school or more	13 (10.7)
Household monthly income1
Less than $US 100.00	38 (31.4)
$US 100.00 to $US 190.00	63 (52.1)
More than $US 190.00	20 (16.5)
Crowding index
≤1.0	50 (41.3)
1.1-2.0	45 (37.2)
2.1-3.0	15 (12.4)
>3.0	11 (9.1)
Presence of enteroparasites
Endolimax nana	61 (50.4)
Ascaris lumbricoides	48 (39.7)
Trichiurus trichiura	23 (19.0)
Giardia lamblia	19 (15.7)
Entamoeba histolytica	6 (5.0)
Iodamoeba butschlii	6 (5.0)

¹In $US.