Table 3 Relationship between demographic, socioeconomic, mothers’ dental caries variables and being caries free at 24 months

Demographic variables

Child gender

 Male

31 (88.60)

20 (74.10)

21 (80.80)

15 (62.50)

55 (56.10)

142 (67.60)

 Female

37 (94.90)

23 (74.20)

23 (88.50)

16 (57.10)

57 (55.90)

156 (69.00)

 P value

0.75 ^b

Maternal age group

 15–25

20 (90.90)

17(81.00)

15 (93.80)

11 (57.90)

36 (62.10)

99 (72.80)

 25–35

41(55.40)

21(72.40)

25 (80.60)

16 (59.30)

61 (54.50)

164 (67.20)

 35–44

7 (100)

5 (62.50)

4 (80)

4 (66.70)

15 (50.00)

35 (62.50)

P value

0.32^a

Socioeconomic variable

Maternal level of education

 Less than 12 years

39 (92.90)

23 (82.10)

25 (80.60)

16 (57.10)

63 (54.30)

166 (67.80)

 12 years

24 (88.90)

19 (67.90)

17 (94.40%)

10 (55.60)

42 (59.20)

112 (69.10)

 More than 12 years

5 (100)

1 (50)

2 (66.70%)

5 (83.30)

7 (53.80)

20 (69.00)

P value

0.95^a

Family income

 Low

31 (93.90)

10 (66.70)

16 (80.00)

8 (53.30)

37 (52.90)

102 (66.70)

 Middle

23 (88.50)

19 (70.40)

20 (90.90)

10 (52.60)

55 (57.90)

127 (67.20)

 High

14 (93.30)

14 (87.50)

8 (80.00)

13 (72.20)

20 (57.10)

69 (73.40)

P value

0.49^a

Family size

 3–4

46 (92.00)

29 (72.50)

31 (86.10)

24 (60.00)

80 (60.6%)

210 (70.50)

 5–6

22 (91.70)

14 (77.80)

13 (81.30)

7 (58.30)

32 (47.10)

88 (63.80)

P value

0.16 ^b

Type of(milk) feeding at 12 m

Only breast milk

61 (100.00)

39 (95.10)

36 (97.30)

26 (86.70)

83 (88.30)

245 (93.20)

Milk powder and both of them

7 (53.80)

4 (23.50)

8 (53.30)

5 (22.70)

29 (27.40)

53 (30.60)

P value

  <0.001^b

Mothers dental caries

D mother

1 (50.00)

5 (100.00)

3 (100.00)

3 (100.00)

4 (50.00)

16 (76.20)

Without caries

67 (93.10)

38 (71.70)

41 (83.70)

28 (57.10)

108 (56.30)

282 (68.00)

With caries

P value

0.42^b

Total

68 (91.90)

43 (74.10)

44 (84.60)

31 (59.60)

112 (56.00)

298 (68.30)