Skip to main content

Table 4 Caries risk factors of the 5-year-old children (zero-inflated model, n = 459)

From: Dental caries status and its associated factors among 5-year-old Hong Kong children: a cross-sectional study

Zero-inflated portion (dmft = 0)

Variables

OR

p-value

95% C.I.

Frequency of sugary snack intake

 

0.010

 

≤2 per day

1.982

 

1.177–3.336

>2 per day*

   

Dental attendance experience

 

0.005

 

Yes, regularly

0.749

0.512

0.315–1.779

Yes, not regularly

0.276

0.001

0.127–0.595

No *

   

Family monthly income

 

0.002

 

≥ HK$ 30,001

3.353

<0.001

1.725–6.521

HK$ 15,001–30,000

1.675

0.100

0.907–3.096

HK$ ≤15,000*

   

Negative binomial portion (dmft > 0)

Variables

IRR

p-value

95% C.I.

Dental attendance experience

 

<0.001

 

Yes, regularly

1.772

0.001

1.267–2.480

Yes, not regularly

1.909

<0.001

1.495–2.438

No *

   

Parental dental knowledge

 

0.005

 

Low

1.195

0.283

0.863–1.653

Moderate

1.508

0.001

1.171–1.942

High*

   

Primary caregiver

 

0.026

 

Grandparents

1.334

0.034

1.022–1.742

Domestic helpers

0.690

0.067

0.466–1.027

Parents*

   
  1. *Reference group