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Table 5 Association between risk indicators and prevalence of oral diseases and obesity (bivariate analysis)

From: Common risk indicators for oral diseases and obesity in 12-year-olds: a South Pacific cross sectional study

Groups of the Clinical Oral and General Health Index (COGHI)

Healthy R

Oral diseases

Obesity

Oral diseases & Obesity

Total N (%)

Sex (n = 1155)

 MaleR

35.9%

28.7%

18.9%

16.3%

566 (49.0)

 Female

37.2%

25.8%

20.4%

16.6%

589 (51.0)

Geographical area (n = 1130)

 Islands

33.0%

39.6% **

15.1%

12.3%

71 (6.3)

 North

27.2%

42.7%***

11.8%

18.3%*

246 (21.8)

 South R

39.8%

21.03%

22.6%

16.5%

813 (71.9)

Cultural ethnic group (n = 1128)

 Melanesian

38.1%

26.3%*

22.1%

13.5%**

312 (27.7)

 Caledonian

34.8%

32.1%**

16.0%

17.0%***

505 (44.8)

 Polynesian

27.5%

19.8%*

25.1%**

27.5%***

207 (18.3)

 OthersR

56.7%

20.2%

20.2%

2.9%

104 (9.2)

Type of school (n = 1166)

 Public R

37.2%

26.1%

20.8%

15.9%

881 (75.6)

 Private

34.5%

31.0%

16.2%

18.3%

285 (24.4)

Tooth-brushing frequency (n = 1137)

 ≥1/dayR

41.7%

23.0%

21.5%

13.8%

631(55.5)

  < 1/day

29.3%

32.4%***

18.0%

20.4%***

506 (44.5)

Use of sweet drinks (n = 1163)

 Yes

35.1%

31.0%

16.9%

16.9%

413 (35.5)

 NoR

37.3%

25.3%

21.1%

16.3%

750 (64.5)

Lunch at school (n = 1154)

 YesR

37.1%

25.6%

20.2%

17.1%

1038 (89.9)

 No

32.8%

41.4%**

12.9%

12.9%

116 (10.1)

Smoking habits (n = 1106)

 Already smoked

25.0%

35.6%**

15.9%

23.5%**

132 (11.9)

 NeverR

37.7%

26.7%

19.9%

15.7%

974 (88.1)

Dental attendance (n = 1153)

 Already visited a dentist

37.1%

26.9%

18.9%

17.1%

957 (83.0)

 NeverR

35.2%

29.1%

21.9%

13.8%

196 (17.0)

Dental anxiety (n = 1165)

 Anxiety

36.0%

28.0%

18.6%

17.4%

414 (35.5)

 No anxiety (score ≤ 3)R

36.9%

26.9%

20.2%

16.0%

751(64.5)

Prevention at school (n = 1002)

 No experience

36.9%

26.2%

20.0%

16.9%

691 (68.9)

 Already experiencedR

34.7%

30.5%

20.3%

14.5%

311 (31.1)

  1. The groups Oral disease, Obesity, Oral disease & Obesity are compared with the Healthy group
  2. The bivariate analyses integrate the school and investigator effects
  3. For the explanatory variables, each category is compared with a reference category indicated with a R
  4. Proportions (%) are calculated per line for the different COGHI groups and per column for the total
  5. ***P < 104, **P < 0.01, *P ≤ 0.05