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Table 1 Data that will be collected at each follow-up of the study

From: Early nutrition, growth and cognitive development of infants from birth to 2 years in Malaysia: a study protocol

Data

Recruitment

6 months

12 months

18 months

24 months

Socio-demographic background

 Parents’ age

    

 Parents’ ethnicity

    

 Parents’ educational attainment

    

 Parents’ occupation

    

 Monthly household income

    

 Infant’s date of birth

    

 Infant’s sex

    

 Infant’s gestational age

    

Mothers

 Pre-pregnancy BMI

 

   

 Obstetrics history

 

   

 Anthropometric measurement during pregnancy

 

   

 Gestational weight gain

 

   

 Blood glucose during pregnancy

 

   

 Blood pressure during pregnancy

 

   

 Habitual food intakes in the third trimester

 

   

 Smoking and drinking behavior

 

   

 Maternal post-natal depression

 

   

 Maternal intelligence

   

 

Infants

 Birth weight

    

 Length at birth

    

 Head circumference at birth

    

 Infant feeding practices

 

 Complementary feeding

 

 Energy and nutrient intake (24-h dietary recall)

 

 Dietary diversity

 

 Weight

 

 Length/height

 

 Head circumference

 

 Waist circumference

 

 Mid-upper arm circumference

 

 Tricep skinfold thickness

 

 Subscapular skinfold thickness

 

 Iron status (infants)

 

   

 Infant temperament

  

  

 Home environment

  

  

 Cognitive development