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Table 1 List of the study variables

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

 

Description of the indicator

Socio-demographic variables

 Age (years)

(Date of examination- date of birth)/365.25

 Sex

Female/Male

 Region

Islands / North / South

 Type of school

Public/Private

 Cultural Ethnic group

Melanesian / Polynesian / New Caledonian / Others

Oral diseases (clinical evaluation)

 Gingivitis a

  No

Gingival index = 0 for both arches

  Localised

Gingival index > 0 in only one group of teeth

  Generalised

Gingival index > 0 for one or both arches

 Dental caries b

  No

untreated carious lesion

  At least one

untreated carious lesion

 Infectious dental process c

  No

infectious dental process

  At least one

infectious dental process

 Number of posterior functional units (PFU d)

PFU < 4

4 ≤ PFU < 6

PFU ≥ 6

 Severe oro-facial dysmorphologies e

None

One or more

 Type of breathing

Nasal breathing

Oral (or mixed) breathing

Stature weight status (clinical evaluation)

 Body mass index BMI

  Under-weight

BMI < -2SD

  Normal-weight

-2SD ≤ BMI ≤ 1SD

  Over-weight

BMI > 1SD

  Obesity

BMI > 2SD

 Waist to height ratio WtHr

 

  Normal

WtHr <0.5

  At risk

WtHr ≥0.5

Self-reported oral health and behaviours (questionnaire)

 Frequency of tooth brushing

Less than once a day

Once or several times a day

 Usual drink when thirsty

Water when thirsty

Sweet drinks when thirsty

 Has already smoked

No, has never smoked

Yes, has already smoked

 Lunch at school

No, the child has lunch at home

Yes, the child has lunch at school

 Experience with dental care

No, has never visited a dentist

Yes, has already visited a dentist

 Dental anxiety (VAS 0 to 10)

No or low anxiety (score ≤ 3)

Yes moderate to high anxiety (score > 3)

 Experience of recent dental pain

No

Yes

 Prevention at school

No experience

Already experienced

 Feel able to eat all kind of foods

No, problems in eating some kind of foods

Yes, able to eat all kind of food

  1. a Løe and Silness index [19]
  2. b Stage 3 or 4 of Ekstrand classification [18]
  3. c Presence of an abscess, a cellulite, a tooth with pulpal exposure or a fistula
  4. d Number of Pairs of posterior teeth with at least one contact area during chewing [7, 9]
  5. e > 2 years from the normal age of eruption or dental overcrowding >4 mm from the occlusion plane, > 1 mm negative over-jet, > 6 mm positive over-jet, Unilateral or bilateral cross-bite and complete overbite, > 6 mm open overbite [20]