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. 2021 May 11;10(5):1050. doi: 10.3390/foods10051050

Table 1.

Representative sampling quotas.

Generation Age Groups (Interlocked Sex by Age Quotas) US, N = 2018 (Weighted Gen Pop) UK, N = 2034 (Weighted Gen Pop)
Gen Z 18–24 275 (550 before 0.5 weight) 245 (490 before 0.5 weight)
Millennial 25–29, 30–34, 35–39 572 580
Gen X 40–44, 45–49, 50–54 553 574
Boomer 55–59, 60–64, 65–69, 70–74 618 635

Notes: We doubled the quota for Gen Z respondents to ensure a sufficient sub-sample size for the generational analysis. For the full general population and early majority analyses, we then applied a 0.50 weight to the Gen Z respondents to ensure an age-representative sample.