030 Chapter 3 Methodology Figure 3. Number of participants for each stage Pre-workshop survey 271 Age awareness workshops 262 Post-workshop survey 247 Post-workshop discussions 42 Follow-up survey 149 Participant attrition – loss of participants – in follow-up studies is common in research, with attrition rates of up to 70% reported in the literature.71 Participant drop-offs may have occurred in this research, particularly between post-workshop and follow-up surveys, for various reasons – for example, loss of interest, time constraints, ceasing or changing employment, change in contact information, and difficulty accessing the online survey.