From: Successful customer intercept interview recruitment outside small and midsize urban food retailers
Staffing |
• Teams of two data collectors |
• 2–4 hour data collection shifts |
• Shifts scheduled between 9:00 am and 8:00 pm, 7 days per week |
• Active data collection at each store lasted 30–45 min |
Recruitment |
• Data collectors asked permission from store owners, managers, or employees to conduct data collection |
• Data collectors stood outside the store on either side of the primary exit or between the exit and the parking area |
• Data collectors wore t-shirts with the university’s logo and colors and wore a university identification badge on a lanyard around their neck |
• Data collectors held clipboards to their chest with a full-page, color recruitment flyer attached to the back that customers could see as they passed |
• All adults with a visible food, beverage, or bag of purchases were invited to participate (visual eligibility screen) |
• If a group left the store together, all adults in the group with visible purchases were approached and all who were interested were invited to participate |
• Data collectors followed a recruitment script, conducted a verbal eligibility screen, read an informed consent statement, and gave participants written information about the study |
• Reason for ineligibility or refusal, apparent gender, and apparent race/ethnicity were recorded for non-participants |
Data Collection |
• Data collectors conducted the interview verbally and recorded detailed information on each food and beverage item purchased (product name, size, quantity, price paid) |
• If a participant did not have a receipt for their food/beverage purchase, data collectors re-entered the store at the end of the visit to verify prices |
Participation Incentive |
• Participants were given a $10 gift card after completing the interview |