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Table 1 Description of studies included in the present review

From: Physical activity during life course and bone mass: a systematic review of methods and findings from cohort studies with young adults

Study characteristics N %
Year of publication
  Up to 2000 5 26.3
  2001 – 2012 14 73.7
Continent
  North America 4 21.0
  Europe 14 73.7
  Oceania 1 5.3
Sample size
  <100 5 26.3
  101-200 8 42.1
  >200 6 31.6
Gender
  Only males 2 10.5
  Only females 8 42.1
  Both 9 47.4
Evaluated the effect of PA during childhood/adolescence
  Yes 16 84.2
  No 3 15.8
Evaluated the effect of PA during adulthood
  Yes 16 84.2
  No 3 15.8
Measurement of outcomes
  Only bone mineral content 3 15.8
  Only bone mineral density 13 68.4
  Both 3 15.8
Evaluated the total body
  Yes 5 26.3
  No 14 73.7
Evaluated the lumbar spine
  Yes 15 79.0
  No 4 21.0
Evaluated the femoral neck
  Yes 13 68.4
  No 6 31.6