Real advertisements from the same alcoholic beverage companies' social media accounts that do not contain messaging or other features associated with breast cancer awareness or research.

This outcome will be measured with one item adapted from Nan & Heo (2017). The question will read: "How socially responsible do you think the company that makes this product is?" and will be measured with a 5-point likert-type response scale ranging from "Very socially irresponsible" (1) to "Very socially responsible" (5). Higher scores indicate perceptions of social responsibility.

This outcome will be measured with one item adapted from Nan & Heo (2017). The question will read: "How do you feel about the company that makes this product?" and will be measured with a 5-point likert-type response scale ranging from "Dislike it a lot" (1) to "Like it a lot" (5). Higher scores indicate more favorable attitudes.

This outcome will be measured with one item adapted from Hall et al (2020). The question will display all three advertisements that the participant was exposed to (either pinkwashed or control). It will then query: "How likely would you be to buy any of these products in the next 4 weeks, if they were available?" and will be measured with a 5-point likert-type response scale ranging from "Not at all likely" (1) to "Extremely likely" (5). Higher scores indicate greater purchase intentions.

Measure of how misleading a participant perceives the advertisement. Assessed with 1 item adapted from Hall et al. 2020

Measure of participant support of including breast cancer warning labels on alcoholic beverage products. Assessed with 1 item adapted from Hall et al. 2018

This outcome will be measured with an adapted item from the HINTS (2020) survey. The question is worded " In your opinion, how much does drinking [wine/beer/liquor] affect the risk of developing each of the following outcomes... Stomach cancer." Response options are on a five point likert-type scale ranging from "Decreases risk a lot" (=1) to "Increases risk a lot " (=5). Participants will be asked to respond to this item three times, once for each type of alcoholic beverage presented (wine, beer, liquor). Scores from the three items will then be averaged for analyses. Higher scores indicate higher risk perceptions.

This outcome will be measured with an adapted item from the HINTS (2020) survey. The question is worded " In your opinion, how much does drinking [wine/beer/liquor] affect the risk of developing each of the following outcomes... Mouth and throat cancer." Response options are on a five point likert-type scale ranging from "Decreases risk a lot" (=1) to "Increases risk a lot " (=5). Participants will be asked to respond to this item three times, once for each type of alcoholic beverage presented (wine, beer, liquor). Scores from the three items will then be averaged for analyses. Higher scores indicate higher risk perceptions.

This outcome will be measured with an adapted item from the HINTS (2020) survey. The question is worded " In your opinion, how much does drinking [wine/beer/liquor] affect the risk of developing each of the following outcomes... Liver cancer." Response options are on a five point likert-type scale ranging from "Decreases risk a lot" (=1) to "Increases risk a lot " (=5). Participants will be asked to respond to this item three times, once for each type of alcoholic beverage presented (wine, beer, liquor). Scores from the three items will then be averaged for analyses. Higher scores indicate higher risk perceptions.

This outcome will be measured with an adapted item from the HINTS (2020) survey. The question is worded " In your opinion, how much does drinking [wine/beer/liquor] affect the risk of developing each of the following outcomes... Liver disease." Response options are on a five point likert-type scale ranging from "Decreases risk a lot" (=1) to "Increases risk a lot " (=5). Participants will be asked to respond to this item three times, once for each type of alcoholic beverage presented (wine, beer, liquor). Scores from the three items will then be averaged for analyses. Higher scores indicate higher risk perceptions.

This outcome will be measured with an adapted item from the HINTS (2020) survey. The question is worded " In your opinion, how much does drinking [wine/beer/liquor] affect the risk of developing each of the following outcomes...Hypertension." Response options are on a five point likert-type scale ranging from "Decreases risk a lot" (=1) to "Increases risk a lot " (=5). Participants will be asked to respond to this item three times, once for each type of alcoholic beverage presented (wine, beer, liquor). Scores from the three items will then be averaged for analyses. Higher scores indicate higher risk perceptions.