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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