Wave | Sample size overall | Listed 15–17 years old | Listed 18–21 years old | Unlisted 15–21 years old | Overall |
Wave 1 | 10,228* | ||||
Wave 2 | 7408 | 74.53% | 72.53% | 69.48% | 72.40% |
Wave 3 | 6973 | 70.04% | 69.36% | 63.88% | 68.20% |
Wave 4 | 7284 | 73.45% | 73.00% | 65.51% | 71.22% |
Wave 5 | 6748 | 68.28% | 68.18% | 59.53% | 65.98% |
*Twenty-nine respondents were removed from the final baseline sample due to lack of sufficient contact information for recontact at wave 2.