Table 1.

Descriptive statistics (mean or %) of weighted sample: oral health outcomes, socio-demographic and caries-related behaviours variables, by ethnic group

Variables	Ethnic groups
	All	White	South Asian	Filipino	Chinese	Black	Arab	Latin America	Indigenous	Mixed ethnic	P-value
	(n = 5600)	(n = 2944)	(n = 771)	(n = 345)	(n = 301)	(n = 241)	(n = 193)	(n = 166)	(n = 95)	(n = 544)
Oral health outcomes
Children with dental caries, %	56.7	49.2	60.2	76.1	70.0	58.3	81.9	54.1	81.9	57.0	<0.001
Average count of deft/DMFT	2.71	2.0	2.9	5.2	3.7	2.8	4.7	2.2	5.5	2.8	<0.001
Average count of deft/DMFT if deft/DMFT > 0	4.76	4.0	4.9	6.9	5.2	4.9	5.7	4.1	6.7	4.9	<0.001
≥ 2 teeth with untreated caries, %	16.5	9.6	25.0	38.3	18.1	23.9	29.5	15.9	32.4	14.9	<0.001
Parent-rated oral health (fair or poor), %	10.4	7.5	14.2	14.8	20.3	8.8	14.2	11.1	22.3	8.8	<0.001
Sociodemographic variables
Age (≥ 7 years), %	74.7	75.3	71.8	82.6	72.0	69.5	77.7	71.8	71.2	74.4	0.025
Male, %	49.6	50.2	48.2	48.2	50.7	45.1	54.7	44.4	44.5	51.6	0.201
Having dental insurance, %	84.7	89.6	72.3	85.3	85.5	74.2	75.0	73.6	89.3	85.7	<0.001
Highest level of educational attainment in household (high school diploma or less), %	14.8	12.3	14.6	7.0	15.5	32.5	22.6	17.2	40.8	14.7	<0.001
Dwelling ownership of family (non-owned), %	30.1	21.6	35.6	43.4	9.8	64.2	51.2	54.0	78.7	27.2	<0.001
Caries-related behaviors
Brushing teeth twice or more times per day, %	62.8	62.8	55.4	90.8	70.6	67.4	32.9	67.6	36.7	65.6	<0.001
Sugar sweetened beverage consumption (high level), %	23.0	10.3	41.1	41.1	15.6	58.8	48.1	37.9	53.2	20	<0.001
One or more routine dental visits in the past year, %	77.2	85.3	54.3	69.8	83.8	64.2	66.9	66.2	63.7	83.2	<0.001

NOTE: for the purpose of summarizing results in the text, we use the term “visible minority” to describe all groups except White and Indigenous [10]. We also considered the mixed ethnicity category separately