Table 1 Description of studies included in the present review
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 |