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Table 1 Distribution of socio-demographic factors between LS and HS groupa

From: The rs35874116 single nucleotide polymorphism increases sweet intake and the risk of severe early childhood caries: a case–control study

Indicator

LS group

(n = 124)

HS group

(n = 112)

x2

P

Gender

  

1.665

0.241

 Boy

56 (45.2)

60 (53.6)

  

 Girl

68 (54.8)

52 (46.4)

  

Single child

  

0.31

0.601

 No

52 (41.9)

51 (45.5)

  

 Yes

72 (58.1)

61 (54.5)

  

Caregiver’s type

  

2.276

0.471

 Parent

95 (76.6)

83 (74.1)

  

 Grandparent

29 (23.4)

27 (24.1)

  

 Other

0 (0.00)

2 (1.80)

  

Marital status of parents

  

3.675b

0.124

 Cohabiting

120 (96.8)

112 (100)

  

 Not Cohabiting

4 (3.20)

0 (0.00)

  

Mother’s education

  

0.476

0.559

 ≤ 12 year

14 (11.3)

16 (14.3)

  

 >12 year

110 (88.7)

96 (85.7)

  

Father’s education

  

0.057

0.820

 ≤ 12 year

10 (8.1)

10 (8.9)

  

 >12 year

114 (91.9)

102 (91.1)

  

Mother’s occupation

  

0.892b

0.753

 Employer / Professional

82 (66.1)

70 (62.5)

  

 Employee / Non-professional

37 (29.8)

39 (34.8)

  

 Unemployed

5 (4.03)

3 (2.70)

  

Father’s occupation

  

4.364b

0.111

 Employer / Professional

84 (67.7)

67 (59.8)

  

 Employee / Non-professional

40 (32.3)

42 (37.5)

  

 Unemployed

0 (0.00)

3 (2.70)

  

Family income

  

0.400

0.602

 < 4000 RMB

58 (46.8)

57 (50.9)

  

 ≥ 4000 RMB

66 (53.2)

55 (49.1)

  
  1. a Children who had a sweet intake < once/day were treated as the low frequency of sweet intake group (LS group) and those with a sweet intake ≥ once/day were treated as the high frequency of sweet intake group (HS group).bby Fisher’s exact probability test