Table 3 Bivariable and multivariable binary logistic regression for gross motor developmental delay among under-five children attending health facilities of Dessie city, Ethiopia

Age of the child in months

0.97

0.96

0.99

0.95

0.92

0.99*

Gestational age in weeks

0.47

0.37

0.65

0.51

0.34

0.78*

Educational status of the mother

Not formally educated

21

79

1

1

1

Grade 1–8

25

70

1.34

0.69

2.61

1.45

0.31

6.89

Grade 9–12

14

73

0.72

0.34

1.52

0.25

0.04

1.61

College & above

8

127

0.24

0.10

0.56

0.16

0.01

1.84

Educational status of the father

Not formally educated

22

46

7.28

3.13

16.94

4.99

0.65

38.20

Grade 1–8

11

95

1.76

0.70

4.42

1.14

0.19

6.99

Grade 9–12

26

71

5.57

2.48

12.54

0.45

0.09

2.39

College & above

9

137

1

Mode of delivery

SVD

32

230

1

Instrumental

25

46

3.91

2.12

7.20

9.78

2.48

38.60

C/S

11

73

1.08

0.52

2.26

2.95

0.72

12.03

Iron intake during pregnancy

Yes

33

268

0.28

0.17

0.49

0.04

0.01

0.15**

No

35

81

1

Alcohol intake during pregnancy

Yes

56

178

4.48

2.32

8.66

7.40

2.36

23.25*

No

12

171

1

Type of salt used in the household

Iodized

46

279

0.43

0.23

0.78

0.54

0.15

1.86

Non-iodized

20

52

1

Family history of GMDD

Yes

10

24

2.33

1.06

5.14

3.49

0.37

32.96

No

58

325

1

Fetal/maternal complication

Yes

40

247

0.59

0.35

1.01

4.98

1.20

20.62*

No

28

102

1

Sex of the child

Male

36

125

2.02

1.19

3.40

5.26

1.76

15.67*

Female

32

224

1