Table 3 Bivariate and multivariate logistic regression analysis of potential risk factors associated with parasitic infection among children in selected primary school in Bahir Dar, Ethiopia, 2014

Nutritional status

Undernourished (Z<-2SD)

71 (18.6)

88 (23)

159 (41.6)

1.70 (1.13-2.56)*

1.69 (1.05-2.74)*

Normal (Z>-2SD)

129 (33.8)

94 (24.6)

223 (58.4)

1

1

Hand washing habit

Sometimes

149 (39)

63 (16.5)

212 (55.5)

5.52 (3.55-8.58)**

8.05(4.66-13.89)**

Always

51 (13.4)

119 (31.2)

170 (44.5)

1

1

Shoe wearing habit

Sometimes

115 (30.1)

86 (22.5)

201 (52.6)

1.51 (1.01-2.26)*

1.02(0.61-1.70)

Always

85 (22.3)

96 (25.1)

181 (47.4)

1

1

Fingernail cleanness

Not clean

85 (22.3)

32 (8.4)

117 (30.6)

3.46 (2.16-5.56)**

4.96 (2.79-8.82)**

Clean

115 (30.1)

150 (39.3)

265 (69.4)

1

1

Mother education

Illiterate

76 (19.9)

49 (12.8)

125 (32.7)

2.03 (1.24-3.30)**

2.00 (1.12-3.57)*

Primary school

62 (16.2)

81 (21.2

143 (37.4)

1.30 (0.78-2.18)

1.56 (0.84-2.90)

Secondary school & above

62 (16.2)

52 (13.6)

114 (29.8)

1

1

Family monthly income (ETB^@)

<500

57 (14.9)

49 (12.8)

106 (27.7)

0.81 (0.51-1.28)

500-1500

104 (27.2)

111 (29.1)

215 (56.3)

1.52 (0.79-2.91)

>1500

39 (10.2)

22 (5.8)

61 (16)

1

Meal frequency

≤ 3times a day

152 (39.8)

136 (35.6)

288 (75.4)

1.07 (0.67-1.71)

>3 times/day

48 (12.6)

46 (12)

94 (24.6)

1

Sex of students

Male

102 (26.7)

91 (23.8)

193 (50.5)

0.96 (0.64-1.44)

Female

98 (25.7)

91 (23.8)

189 (49.5)

1

Age (years)

7-8

63 (16.5)

55 (14.4)

118 (30.9)

0.88 (0.55-1.41)

9-10

88 (23)

87 (22.8)

175 (45.8)

1.07(0.62-1.86)

11-13

49 (12.8)

40 (10.5)

89 (23.3)

1