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. 2020 Nov 16;23(5):829–835. doi: 10.1093/ntr/ntaa232

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© The Author(s) 2020. Published by Oxford University Press on behalf of the Society for Research on Nicotine and Tobacco. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com.

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Figure 4. — Purchase location by device type. Prevalence estimates based on presentation of device type images asked to survey respondents who reported purchasing the device themselves. Participants could select multiple methods of obtaining a given device so estimates by method do not total to 100%. ^aOnline: online brand retailer (56.2%), eBay (0.0%), Craigslist (0.0%), Facebook (0.0%), somewhere else online (2.1%). ^bOther: gas station (12.7%), grocery store (1.9%), pharmacy (0.0%). ^cOnline: online brand retailer (49.8%), eBay (6.0%), Craigslist (0.0%), Facebook (0.0%), somewhere else online (1.3%). ^dOther: gas station (6.1%), grocery store (0.0%), pharmacy (0.0%). ^eOnline: online brand retailer (51.1%), eBay (2.1%), Craigslist (0.0%), Facebook (0.0%), somewhere else online (4.3%). ^fOther: gas station (9.8%), grocery store (0.0%), pharmacy (2.0%). ^gOnline: online brand retailer (54.3%), eBay (4.3%), Craigslist (0.0%), Facebook (0.0%), somewhere else online (1.7%). ^hOther: gas station (0.0%), grocery store (0.0%), pharmacy (0.0%). ⁱOnline: online brand retailer (53.8%), eBay (5.6%), Craigslist (0.7%), Facebook (0.0%), somewhere else online (2.8%). ^jOther: gas station (1.3%), grocery store (0.0%), pharmacy (4.0%).