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Table 1 Sample size, adherence, loss and (re-) recruitment of participants at each wave

From: Physical activity levels and determinants of change in young adults: a longitudinal panel study

   Adherence and loss of participants recruitment and re-recruitment
  total N individuals who participated in previous wave individuals lost since previous wave New Individuals entering the panel Individuals who participated before but not in previous wave
wave 1 - 1999 1159    1159  
wave 2 - 2000 1148 843 316 (27.3%) 305  
wave 3 - 2001 1134 865 283 (24.7%) 194 75
wave 4 - 2002 995 786 348 (30.7%) 125 84
wave 5 - 2003 915 721 274 (27.5%) 133 61
wave 6 - 2004 1373 564 351 (38.4%) 740 69
wave 7 - 2005 1149 879 494 (36.0%) 205 65
wave 8 - 2006 1166 807 342 (29.8%) 207 152
  1. Note: In total, 1534 males and 1534 females were included in the analyses.