Table 4 Description of independent variables for children in preventive programme and children with enamel defects. Chi-square test or Fisher exact test were used with enamel defects as the dependent variable

Gender

Male

52.3

197

6.1

12

1.37

0.55–3.44

0.647

Female

47.7

180

4.5

8

Migration background

Yes

6.1

23

5.0

1

0.94

0.12–7.37

1.000

No

93.9

354

5.3

19

Low socioeconomic status

Yes

9.3

35

3.1

1

0.55

0.07–4.28

0.714

No

90.7

342

5.5

19

Diseases during pregnancy

Yes

34.2

129

4.7

6

0.82

0.31–2.17

0.811

No

65.8

248

5.6

14

Caesarean type of delivery

Yes

27.1

102

4.9

5

0.89

0.31–2.52

1.000

No

72.9

275

5.5

15

Preterm birth/low birth weight

Yes

4.2

16

20.0

3

4.67

1.21–17.95

0.046

No

95.8

361

4.7

17

General disease/special health care needs

Yes

7.2

27

13.0

3

2.45

0.67–8.94

0.165

No

92.8

350

4.8

17

Hospitalisation first year of life

Yes

10.3

39

17.9

7

5.47

2.03–14.69

0.002

No

89.7

338

3.8

13

Hospitalisation first year of life without premature/low birth weight children^a

Yes

6.1

23

17.4

4

4.44

1.35–14.60

0.027

No

93.9

354

4.5

16

Systemic infectious disease

Yes

69.0

260

6.2

16

1.85

0.06–5.67

0.329

No

31.0

117

3.4

4

Mouthbreathing

Yes

0.8

3

0.0

0

1.000

No

99.2

374

5.3

20

Allergies

Yes

0.8

3

0.0

0

1.000

No

99.2

374

5.3

20

Breastfeeding

Yes

67.4

254

4.7

12

0.71

0.28–1.79

0.625

No

32.6

123

6.5

8

Medication

Yes

13.5

51

8.9

4

1.65

0.53–5.14

0.329

No

86.5

326

4.8

16

Systemic antibiotic medication

Yes

20.4

77

9.1

7

2.21

0.85–5.74

0.148

No

79.6

300

4.3

13

Use of vitamin D supplements

Yes

95.8

361

5.2

19

1.20

0.15–9.57

0.590

No

4.2

16

6.3

1

Use of fluoride supplements

Yes

15.9

60

5.0

3

0.93

0.26–3.27

1.000

No

84.1

317

5.4

17

Caries

Yes

15.6

59

6.8

4

1.37

0.44–4.26

0.533

No

84.4

318

5.0

16