Research Article

Prevalence of Intestinal Parasitic Infections and Associated Water, Sanitation, and Hygiene Risk Factors among School Children in Mwea Irrigation Scheme, Kirinyaga County, Kenya

Table 2

Univariable analysis of risk factors of S. mansoni and intestinal protozoa infections.

CharacteristicN = 180, n (%)Univariable analysis [OR, -value]
S. mansoni (n = 127)Any protozoan (n = 59)G. intestinalis (n = 15)E. histolytica/dispar (n = 22)E. coli (n = 34)

Demographics
School
Mianya60 (33.3)Reference
Mbui Njeru60 (33.3)0.94, 0.80, 0.29, 2.75, 1.00,
Mukou60 (33.3)2.69, 0.58, 0.29, 1.00, 1.11,
Age group
 <10 years66 (36.7)Reference
 10–12 years99 (55.0)1.36, 1.20, 1.37, 1.39, 1.07,
 >12 years15 (8.3)3.48, 1.15, 0.60, 1.13,
Gender
 Female90 (50.0)Reference
 Male90 (50.0)1.31, 0.95, 0.86, 0.66, 0.86,
Individual and household characteristics
 Open defecation behavior90 (50.8)1.17, 0.66, 0.62, 0.34, 0.60,
 Use of wiping material63 (70.8)1.56, 0.64, 2.16, 0.18, 0.61,
 Contact with water bodies160 (88.9)0.78, 0.70, 1.82, 0.76, 0.49,
 Eating unwashed food/fruits46 (25.6)1.25, 1.12, 0.71, 1.11, 0.87,
 Handwashing after defecation at home163 (90.6)0.48, 0.51, 0.37, 0.40, 1.09,
 Handwashing before eating at home161 (89.4)1.12,0.82, 0.43, 0.71, 1.27,
  Behavior of wearing shoes at home162 (90.5)1.77, 0.89, 0.65, 2.38, 0.74,
 Presence of wiping material in the latrine57 (31.7)0.86, 0.92, 1.49, 0.59, 1.04,
Type of wiping material
 Toilet paper26 (45.6)Reference
 Leaves2 (3.5)0.37,
 Newspaper29 (50.9)0.70, 0.85, 1.92, 0.57, 0.43,
 Presence of a toilet handwashing station163 (90.6)1.42, 0.78, 0.41, 1.62, 0.85,
 Damaged toilet structure32 (17.8)1.61,0.63, 1.17, 0.70, 0.56,
 Clean latrines137 (76.1%)1.21,1.84, 1.47, 1.26,
 Improved sources of water65 (36.1)1.45, 1.08, 1.19, p1.56, 1.12,
 Taken deworming medication133 (73.9)1.74, 0.81, 1.45, 0.46, 0.68,
 Handwashing after defecation at school155 (86.6)1.22, 0.98, 1.00, 0.47, 1.20,
 Handwashing before eating at school159 (88.3)0.95, 0.97, 0.85, 0.81, 2.39,
  Behavior of wearing shoes at school158 (88.3)0.94, 0.32, 0.85, 0.82, 0.32,

Significant association (); —variable omitted because of insufficient observations.