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Table 2 Association of STHs and anaemia with selected risk factors among schoolchildren (N = 443) in Yirgacheffee selected schools, South Ethiopia, 2017

From: Soil-transmitted helminth infections, anemia and undernutrition among schoolchildren in Yirgacheffee, South Ethiopia

Socio-demographic variables

Total N (%)

STH

P-value

Anaemia

AOR (95% CI)

P-value

Positive n (%)

Negative n (%)

Yes

No

Gender

 Male

245 (55.3)

131 (54.8)

114 (55.9)

 

31

213

1.0

 

 Female

198 (44.7)

108 (45.2)

90 (44.1)

0.286

37

161

1.90 (0.72, 3.02)

0.47

Age groups

 6–8

152 (34.3)

94 (21.2)

58 (13.1)

 

21

125

1.0

 

 9–11

142 (32.1)

70 (15.8)

72 (16.3)

0.054

27

136

1.39 (0.94, 2.72)

 

 12–15

149 (33.6)

75 (16.9)

74 (16.7)

 

20

114

1.21 (0.67, 1.93)

0.63

Source of water

 Untreated

199 (44.9)

127 (63.8)

72 (36.2)

0.000

NA

NA

  

 Treated

244 (55.1)

112 (45.9)

132 (54.1)

 

NA

NA

Frequency of sucking fingers/nails

 Always

120 (27.1)

79 (65.8)

41 (34.2)

 

NA

NA

 Sometimes

226 (51.0)

96 (42.5)

130 (57.5)

0.000

NA

NA

  

 Never

54 (12.2)

41 (75.9)

13 (24.1)

 

NA

NA

  

 Don’t know

43 (9.7)

23 (53.5)

20 (46.5)

 

NA

NA

  

Place of defecation

 Open field

148 (33.4)

89 (60.1)

59 (39.9)

0.040

NA

NA

 Toilet

295 (66.6)

150 (50.8)

145 (49.2)

 

NA

NA

  

Family size

 1–3

79 (17.8)

30 (38.0)

49 (62.0)

 

NA

NA

 4–6

265 (59.8)

132 (49.8)

133 (50.2)

0.221

NA

NA

  

 > 7

99 (22.4)

77 (77.8)

22 (22.2)

 

NA

NA

  

Undernutrition

 No

315 (71.1)

172 (54.6)

143 (45.4)

 

214

101

1.0

 

 Yes

128 (28.9)

67 (52.3)

61 (47.7)

0.213

83

45

2.95 (1.68, 4.81)

0.007

  1. AOR adjusted odds ratio, CI confidence interval, NA not applicable