Table 4 Bivariate and multivariable logistic regression analysis of potential risk factors associated with Ascaris infection among primary schoolchildren in Debre Berhan town, Northeast Ethiopia, 2017 (N=645)

 Age (years)

6–9

58

146

1.64 (1.04, 2.59)*

2.61 (1.45, 4.70)**

10–12

47

184

1.05 (0.66, 1.68)

1.55 (0.87, 2.77)

13–15

41

169

1

1

 Sex of child

Boys

74

234

1.16 (0.81, 1.68)

–

Girls

72

265

1

 Birth order

Non- First

103

330

1.23 (0.82, 1.83)

–

First

43

169

1

 Living with birth parents

No

22

64

1.21 (0.71, 2.04)

–

Yes

124

435

1

 Family size

≥ 6

99

211

2.88 (1.95, 4.25)**

1.24 (0.76, 2.01)

2–5

47

288

1

1

 Father education

Illiterate

58

124

4.55 (2.27, 9.11)**

1.55 (0.65, 3.69)

Primary education

53

131

3.94 (1.96, 7.91)**

0.98 (0.39, 2.45)

Junior education

12

69

1.69 (0.71, 4.05)

0.78 (0.27, 2.26)

Secondary education

12

68

1.72 (0.72, 4.11)

1.33 (0.48, 3.71)

Diploma and above

11

107

1

1

 Mother education

Illiterate

71

141

8.25 (3.82, 17.79)**

2.95 (1.15, 7.58)*

Primary education

30

86

5.71 (2.50, 13.05)**

2.66 (1.00, 7.08)

Junior education

28

80

5.73 (2.49, 13.19)**

2.02 (0.72, 5.71)

Secondary education

9

61

2.42 (0.89, 6.57)

1.40 (0.44, 4.44)

Diploma and above

8

131

1

1

 Father occupation

Urban farming

41

61

4.30 (2.41, 7.67)**

2.20 (1.10, 4.42)*

Manual worker

44

127

2.22 (1.29, 3.82)**

0.93 (0.48, 1.80)

Trader/petit-trade

36

151

1.53 (0.88, 2.66)

1.25 (0.63, 2.46)

Employed

25

160

1

1

 Family IPs infection history

Yes

65

204

1.16 (0.80, 1.68)

–

No

81

295

1

 Hand wash before eating

Not always

101

253

2.18 (1.47, 3.23)**

2.05 (1.24, 3.39)**

Always

45

246

1

1

 Hand wash after defecation

Not always

91

314

0.98 (0.67, 1.43)

–

Always

55

185

1

 Finger cleanness

Not clean

89

224

1.92 (1.32, 2.79)**

0.76 (0.47, 1.23)

Clean

57

275

1

1

 Source of water

Stream

14

24

2.29 (1.14, 4.58)*

1.57 (0.55, 4.48)

Public tap

33

87

1.49 (0.94, 2.35)

1.37 (0.73, 2.58)

Piped water

99

388

1

1

 Type of latrine

PLWOS

28

64

2.16 (1.29, 3.62)**

1.20 (0.53, 2.74)

PLWS-shared

50

99

2.50 (1.63, 3.83)**

1.47 (0.86, 2.52)

PLWS-private

68

336

1

1

 ODS near residence

Yes

102

212

3.14 (2.11, 4.66)**

1.74 (1.05, 2.85)*

No

44

287

1

1

 Soap use for hand wash

Not regular

126

424

1.11 (0.66, 1.90)

–

Regular

20

75

1

 Disposal of waste in home yard

Yes

93

294

1.22 (0.84, 1.79)

–

No

53

205

1

 Presence of pets in home

Yes

103

336

1.16 (0.78, 1.74)

–

No

43

163

1

 Habit of playing with waste water

Yes

90

216

2.11 (1.44, 3.07)**

1.51 (0.94, 2.45)

No

56

283

1

1

 Habit of playing with soil

Yes

122

215

6.72 (4.19, 10.77)**

3.91 (2.19, 7.00)**

No

24

284

1

1

 Habit of eating while playing

Yes

119

263

3.96 (2.51, 6.22)**

1.82 (1.07, 3.30)*

No

27

236

1

1

 Cultural response to dropped food

Cleaning and eating

52

91

3.46 (1.93, 6.19)**

2.58 (1.25, 5.34)*

Kiss and replace

74

287

1.56 (0.91, 2.67)

1.72 (0.90, 3.28)

Leaving it there

20

121

1

1

 Habit of sucking fingers/pen-caps

Yes

92

196

2.63 (1.80, 3.86)**

1.82 (1.11, 2.96)*

No

54

303

1

1

 Habit of eating on the way to school

Yes

137

382

4.66 (2.30, 9.44)**

1.63 (0.70, 3.84)

No

9

117

1

1

 Habit of using grass as toothpick

Yes

92

282

1.31 (0.90, 1.92)

–

No

54

217

1

 Habit of playing barefoot

Yes

27

109

0.81 (0.51, 1.30)

–

No

119

390

1

 Eating raw vegetables

Rarely

54

209

0.81 (0.56, 1.19)

–

Not at all

92

290

1

 Eating raw meat

Yes

33

150

0.68 (0.44, 1.50)

–

No

113

349

1

 Shoes wearing habit

Not regular

5

28

0.60 (0.23, 1.57)

–

Regular

141

471

1