Table 7.

Multivariate analysis: Risk indicators associated with oral diseases or being obese

Groups of the Clinical Oral and General Health Index (COGHI)	Oral disease	Obesity	Oral disease & Obesity
Sex: girl vs boy	0.81 (0.55–1.21)	0.80 (0.52–1.22)	0.82 (0.52–1.29)
Geographical area:
North vs South  Islands vs South	3.27 (1.98–5.40)*** 2.20 (1.09–4.43)*	0.78 (0.41–1.47) 0.61 (0.24–1.54)	1.87 (1.04–3.38)* 1.39 (0.59–3.28)
Cultural ethnic group
Melanesian vs others	1.23 (0.59–2.59)	1.91 (0.89–4.09) p = 0.09	5.19 (1.15–23.50) *
Caledonian vs others	1.58 (0.79–3.17)	1.63 (0.78–3.39)	9.20 (2.11–40.08) **
Polynesian vs others	1.90 (0.84–4.30)	2.48 (1.11–5.55) *	16.81 (3.71–76.20)***
Type of school	0.79 (0.50–1.27)	0.79 (0.46–1.35)	0.99 (0.59–1.68)
Private vs Public
Toothbrushing frequency	1.89 (1.26–2.83)**	1.09 (0.70–1.69)	1.75 (1.10–2.78)*
<1/day vs ≥1/day
Smoking habits
Already smoked vs Never	1.41 (0.76–2.63)	0.95 (0.45–2.01)	1.72 (0.88–3.37)
Use of sweet drinks
Yes vs No	1.11 (0.66–1.87)	0.77 (0.49–1.21)	1.10 (0.70–1.74)
Dental attendance	1.07 (0 .63–1.83)	0.75 (0.43–1.32)	1.59 (0.83–3.04)
Already visited a dentist vs never
Prevention at school	0.85 (0.56–1.27)	0.96 (0.62–1.50)	1.20 (0.74–1.94)
No vs Already experienced
Propensity score for FU < 6	2.14 (0.70–6.44)	8.49 (2.11–34.15)**	7.01 (1.49–33.00)*
Dental anxiety Anxiety vs No anxiety (≤3)	1.05 (0.69–1.59)	0.82 (0.51–1.29)	1.24 (0.78–1.99)
Lunch at school	0.95 (0.50–1.83)	0.93 (0.39–2.26)	0.61 (0.26–1.43)
No vs Yes

Mixed-effects multinomial ordinal logistic regression models

The groups Oral disease, Obesity, Oral disease & Obesity are compared with the Healthy group

The school and investigator effects are taken into account for each comparison

***P < 10–4, **P < 0.01, *P ≤ 0.05