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Table 4 Relationship between dental caries experience of the surveyed children and selected independent variables (final model of multi-factor ANOVA) (N = 700)

From: Oral health status and behaviours of preschool children in Hong Kong

Independent variable

Group

Beta

SE (Beta)

Significance

Bonferroni Comparison

Snack frequency (times per day)

≥2

0.54

0.26

p = 0.04

 

<2 #

    

Visited a dentist

Yes

1.47

0.35

p < 0.01

 

No #

    

Parental dental knowledge

Score 0-7a

1.24

0.46

p < 0.01

c < b, a

Score 8-14b

1.02

0.28

  
 

Score 15-21c #

    

Family income (HKD)

≤ 10000 a

1.54

0.33

p < 0.01

c < b, a

10000 – 20000 b

1.33

0.32

  
 

≥ 20000 c #

    
  1. F-value = 11.14; df = 6; p < 0.001; R2 = 0.088, # Reference category.