Table 2.

Definition of the “Clinical Oral and Global Health Index” groups and proportion of 12-yr-olds children in each group

COGHI Groups	Criteria		Proportion of children (N = 1165)
Healthy group (HG)			36.6%
No oral diseases  Not obese		No untreated dental caries (D3T = 0)
	and	No gingivitis (localised or generalised)
	and	No mucosal sign of infection
	and	Not obese (BMI ≤ 2 SD)
	and	No risk for metabolic syndrome (WtHr < 0.5)
Oral Diseases group (ODG)			27.3%
Oral diseases  Not obese		At least one untreated carious lesion (D3T > 0)
	or	Generalised gingivitis (Gingival index > 0 for one or both arches)
	or	Mucosal sign(s) of infection
	and	Not obese (BMI ≤ 2 SD)
	and	No risk for metabolic syndrome (WtHr < 0.5)
Obesity group (OG)			19.7%
Obese  No oral diseases		Obesity (BMI > 2 SD)
	or	Risk for metabolic syndrome (WtHr ≥ 0.5)
	and	No untreated dental caries (D3T = 0)
	and	No gingivitis (localised or generalised)
	and	No mucosal sign of infection
Oral Diseases/Obesity group (ODOG)			16.5%
Oral diseases  Obese		At least one untreated carious lesion (D3T > 0)
	or	Generalised gingivitis (Gingival index > 0 for one or both arches)
	or	Mucosal sign(s) of infection
	and	Obesity (BMI > 2 SD)
	or	Risk for metabolic syndrome (WtHr ≥ 0.5)