Table 2 Data collection and source of information: Aboriginal Birth Cohort Study 2006-2008

Anthropometric and nutritional

Date of assessment

Height

Portable stadiometer

Weight

Tanita model TBF 521

Head, mid upper arm, waist hip circumferences

Tape measure

Serum folate

Immunoassay, Roche 170

Fe, transferrin, ferritin

Immuno-turbidimetric, Roche Modular

Renal

Renal size and morphology

Ultrasonography

Random urinary albumin

Immuno-nephelometric, Beckman Immage

Random urinary creatinine

Jaffe reaction, Roche Modular

Random urinalysis

Urinary dipstick

Metabolic and cardiovascular

Fasting plasma glucose, total cholesterol, HDL-C, triglycerides

Enzymatic colorimetric, Roche Modular

Apolipoprotein A-1, Apolipoprotein B

Immuno-turbidimetric, Roche Hitachi 917

Lipoprotein(a)

Immuno-nephelometric, Beckman Immage

Fasting plasma insulin

Immunoassay, AbbottAxsym

Haemoglobin A1C

HPLC, primus PDQ+

Blood pressure

Welch Allyn Lifesigns monitor

Haematological and infection

Full blood count

Coulter Max M

C reactive protein

Immuno-turbidimetric Roche Modular

Impetigo, scabies, acanthosis, nigricars and fungal infection

Physical examination

Dental

Questionnaire

Participant

Oral examination

Dental examination

Non-invasive cardiovascular assessment

Carotid intimal thickness measure

Portable Sonoheart Elite system and L38 10-5 linear transducer

Heart rate variability

ECG

Digital pulse volume

Pulse Trace

Iodine status

Thryoid stimulating hormone

Immunoassay Roche E170

Thyroid size and morphology

Ultrasonography

Random urinary iodine concentration

Colorimetry, Sandell-Kolthoff reaction

Hepatitis B immunization status

Hepatitis B virus serology

Hepatitis B virus surface antigen, Hepatitis B virus core antibody

Emotional well being

Depression, suicide, anxiety and resilience

Participant-"Strong Souls" questionnaire

Cognitive function

Memory and reaction time test

Cogstate-Computer Based Program

Life style

Age commenced and amount of tobacco and cannabis smoking, alcohol consumption and petrol sniffing

Soft drink consumption and daily exercise

Participant-Questionnaire

Socio-economic status

Education, employment, household size and car ownership

Participant-Questionnaire

Muscle strength

Grip strength

Dynamometer