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Table 1 Measurement Timeline

From: Later sleep timing predicts accelerated summer weight gain among elementary school children: a prospective observational study

Measures

Baseline Fall semester 2016

End of School-Year 2017

Summer Holiday 2017

Beginning of School-Year 2017

Body Composition

 Height

✓

✓

 

✓

 Weight

✓

✓

 

✓

 BMI (calculated)

✓

✓

 

✓

Accelerometry

 Sleep

✓

 

✓

 

 Physical Activity

✓

 

✓

 

 Ambient Light Exposure

✓

 

✓

 

Other

 Sleep diary and accelerometer wear log

✓

 

✓

 

 Chronotype

  

✓