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Table 1 Outcome measures for the study

From: Prevention of Overweight in Infancy (POI.nz) study: a randomised controlled trial of sleep, food and activity interventions for preventing overweight from birth

  

Time point

 

Preg

Birth

3 w

7 w

4 m

6 m

12 m

18 m

24 m

Cord blood

 

x

       

Anthropometry - childa

     

x

x

x

x

Anthropometry - parentb

     

x

x

x

x

Sleep (child)

         

   Questionnaire/diary

  

x

 

x

x

x

x

x

   Accelerometry

     

x

x

 

x

Sleep (parents)

    

x

x

x

x

x

Breast feeding and introduction of solids

  

Brief monthly phone call from 7 to 23 weeks

   

Diet in child

      

x

 

x

Feeding behaviours

       

x

 

Physical activity (child)

         

   Questionnaire

    

x

x

x

x

x

   Accelerometry

    

x

x

x

x

x

Sedentary behaviour

     

x

x

 

x

Physical activity (parent)

     

x

x

 

x

Maternal depression

x

   

x

 

x

 

x

Paternal depression

x

     

x

 

x

Infant Temperament

     

x

  

x

Parenting

         

   skills & efficacy

 

x

  

x

x

x

 

x

   support

     

x

  

x

Family quality of life

      

x

 

x

  1. See text for specific methods
  2. aWeight, length, and head and waist circumferences at each time point
  3. bWeight, height and waist circumference of mother and father at 6 and 24 months, weight and waist circumference in mother at 12 months, and weight in mother at 18 months