Table 1.

Characteristics of participants

Characteristic	% (95% CI)
Social demographics
Age
15‐<45 years	52.5 (49.9–55.2)
45‐<60 years	23.7 (21.6–25.9)
60+ years	23.7 (21.9–25.7)
Sex
Male	49.7 (47.1–52.4)
Female	50.2 (47.6–52.9)
Annual household income
≤$AU30k	30.4 (27.9–33.0)
<$AU30k‐<60k	32.5 (30.0–35.1)
$AU60k+	37.1 (34.5–39.8)
Education
Year 11+	30.3 (27.8–32.9)
≤Year 10	69.7 (67.1–72.2)
Country of Birth
Australia	67.5 (64.9–67.0)
Other	32.5 (30.0–35.1)
Aboriginal or Torres Strait Islander
Yes	1.3 (0.9–2.0)
No	98.7 (98.0–99.1)
Employment Status
Employed	61.1 (58.3–63.9)
Unemployed	38.9 (36.1–41.7)
Periodontal disease risk factors
Diabetes
Yes	6.0 (5.1–7.2)
No	94.0 (92.8–94.9)
Smoking
Current	9.6 (8.2–11.2)
Previous	28.5 (26.2–31.0)
Never	61.9 (59.3–64.3)
Preventive dental behaviours
Tooth Brushing
2+ day	69.4 (67.2–71.5)
<2 day	30.6 (28.5–32.8)
Dental Flossing
1+ per day	20.9 (19.0–23.0)
<1 per day	79.1 (77.0–81.0)
Barriers to dental care
Difficulty paying a $200 dental bill
None	26.3 (24.1–28.6)
Hardly any	17.0 (15.1–19.0)
A little	31.6 (29.2–34.2)
A lot of difficulty	25.1 (22.7–27.7)
Avoided or delayed dental treatment because of cost
Yes	44.3 (41.6–47.0)
No	55.7 (53.0–58.4)
Access to dental care
Usual Reason for Dental Visit
Check up	62.7 (59.9–65.4)
Problem	37.3 (34.6–40.1)
Average time between dental visits
1+ times/year	52.8 (50.0–55.7)
≤Once a year	47.2 (44.3–50.0)
Eligibility for public dental care
Yes	29.5 (27.1–32.0)
No	70.5 (68.0–72.9)
Clinical Dental Diseases
Dental caries
DMFT: Mean (SD)	11.31 (10.85–11.77)
Decayed teeth: Mean (SD)	0.77 (0.67–0.87)
Missing teeth: Mean (SD)	4.40 (4.10–4.6.8)
Filled teeth: Mean (SD)	6.15 (5.86–6.45)
CDC/APC Periodontal Classification
None/Mild	70.8 (68.4–73.1)
Moderate/Severe	29.2 (26.9–31.6)
Regional Location
Major city	72.4 (68.8–75.7)
Inner regional	16.1 (13.0–19.8)
Outer regional, remote & very remote	11.5 (8.7–14.9)