Tracking of Physical Fitness of Primary School Children in Trier: A 4-Year Longitudinal Study

Table 1

Descriptive statistics ofparticipants of the longitudinal study in Trier, Germany.

Grade	Sex	2008/2009		2009/2010		2010/2011		2011/2012
			Age		Age		Age		Age
1	Boys	310		358
1	Girls	313		381
2	Boys			321		337
2	Girls			344		360
3	Boys					309		234
3	Girls					312		239
4	Boys							204
4	Girls							222
Total		623		1404		1318		899