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Table 1 Overview of variables in the study

From: Common risk factor approach to address socioeconomic inequality in the oral health of preschool children – a prospective cohort study

Time Variables Collection mode
Birth Community-level SES ABS databases
Parental SES Self-complete questionnaires and face-to-face interview
Parental general and dental health
Infant feeding practices
Child birth weight
Age 3 months Infant Feeding Practices Self-complete questionnaire or telephone interview
General health conditions
Primary Care Givers’ Dental Health Beliefs and Attitudes
Age 6 months Infant Feeding Practices for 3–6 months period Same as for 3 months
General health conditions
Information on oral health care advice
Age 12 months Estimated intake of free sugars and fluoride Self-complete short questionnaire or telephone interview and 24 hour recall interview and 2 day diet record
Child teeth present
Oral health practices
Dental visit
Age 24–30 months Community-level SES ABS databases
Parental information Same as for birth
PCG oral health status Clinical examination
 Oral hygiene status
 Dental caries experience
 Periodontal status
Estimated intake of free sugars and fluoride Self-complete short questionnaire and food frequency questionnaire
Child teeth present
Oral health practices
Dental visit
Child oral health status: Clinical examination
 Oral hygiene status  
 Dental caries experience
 Developmental defects
  Child and PCG microbiological assessment Salivary plaque samples
  Child anthropometric assessment Measurements
  1. ABS: Australian Bureau of Statistics.