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
| Â | Â | Adherence and loss of participants | recruitment and re-recruitment | ||
|---|---|---|---|---|---|
| Â | 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 | Â | Â | 1159 | Â |
wave 2 - 2000 | 1148 | 843 | 316 (27.3%) | 305 | Â |
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 |