Oral health service utilization patterns among preschool children in Beijing, China

BMC Oral Health

Table 5 Negative binomial regression model of oral health service utilization in the past 12 months (n = 1425)

Variables	P value	IRR (95% CI)
Predisposing factors
Gender
Male		1.00
Female	0.091	1.15 (0.98,1.36)
Age
≤3 years old		1.00
> 3 years old	< 0.001	1.49 (1.24,1.79)
Parental oral health knowledge and attitude score
< 5		1.00
≥ 5	0.060	1.17 (0.99,1.39)
Final education degree of the parent/caregiver	0.009^a
High school or lower		1.00
University or college	0.387^b	1.09 (0.89,1.35)
Master’s degree or higher	0.012^b	1.35 (1.07,1.71)
Occupation of parent or caregiver
Administrator/Professional		1.00
Other	0.607	1.05 (0.87,1.26)
Annual household income
≤100,000 CNY		1.00
> 100,000 CNY	0.619	0.94 (0.75,1.19)
Kindergarten attendance with regular source of oral health care
No		1.00
Yes	< 0.001	2.23 (1.82,2.76)
Need factors
Parental perceived oral health status of child	< 0.001^a
Excellent/good		1.00
Fair	0.041^b	1.23 (1.01,1.49)
Poor	< 0.001^b	2.09 (1.59,2.75)
Dental pain in the past 12 months	< 0.001^a
No		1.00
Yes	< 0.001^b	2.05(1.67,2.52)
Unknown	0.501^b	1.14(0.78,1.66)
Dmft value	0.021	1.04(1.01,1.08)

^aOverall P values for categorical variables (if more than 2 categories)
^bComparisons between the categories and the reference category (if more than 2 categories)

ISSN: 1472-6831