Table 1 Descriptive characteristics and proportions of the Mato Grosso do Sul - Oral Health Survey (SBMS study 2018-19), for 12 year-olds and untreated caries (n = 615)

Ethnic Group

Whites

270

43.9(40.0-47.9)

20.9 (14.5–29.2)

Brown

266

43.3(39.4–47.2)

28.3 (21.2–36.7)

Asian

24

3.9 (2.6–5.8)

23.0 (6.7–55.4)

Blacks

32

5.3 (3.7–7.3)

57.9 (24.3–85.4)

Indigenous

6

0.9 (0.4–2.1)

50.0 (45.3–54.7)

Missing

17

2.8(1.7–4.4)

35.5 (17.8–57.9)

Sex

Female

315

51.2 (47.3–55.2)

24.2 (17.0-33.1)

Male

300

48.8(44.8–52.7)

26.9 (19.6–35.5)

Per capita Income (equalized)

under the poverty level (US$ 120.4/month)

216

35.1 (31.4–39.0)

32.4 (20.3–47.5)

above poverty level

376

61.1 (57.2–64.9)

23.3 (15.9–32.8)

Missing

23

3.7 (2.5–5.3)

13.0 (8.3–19.9)

Parents’ Schooling

1 to 4 years

381

62.0 (58.0-65.7)

26.1 (18.9–34.8)

above 4 years

234

38.0 (34.3–42.0)

22.6 (12.7–37.1)

Unhealthy foods consumption

Low (up to 2 times/week)

168

27.3(23.9–31.0)

9.4 (6.6–13.2)

Moderate (2–4 times/week)

197

32.0(28.5–35.8)

31.4 (23.8–40.2)

High (more than 4 times/week)

217

35.3(31.6–39.2)

40.4 (29.7–52.1)

Missing

33

5.4(3.8–7.5)

60.2 (25.2–87.2)

Brushing

Twice or more per day

318

52.7 (47.7–55.6)

18.7 (12.3–27.5)

Once per day or none

234

38.1 (34.3–42.0)

33.6 (24.4–44.3)

Missing

63

10.2 (8.0-12.9)

38.8 (25.0-54.6)

Use of dental floss

Yes

280

55.3 (46.9–63.4)

18.6 (11.7–28.2)

No

272

36.0 (25.7–47.8)

32.4 (23.7–42.4)

Missing

63

8.7 (4.8–15.1)

38.8 (25.0-54.6)

Contextual

Fluoridation status

Yes

411

66.8 (63.0-70.4)

21.6 (14.2–31.4)

No

204

33.2 (29.6–37.0)

42.3 (35.1–49.9)