Abstract
Background: A literature gap exists for grocery interventions with realistic resource expectations; few technology-based publications exist, and none document traditional comparison. Purpose: Compare grocery store traditional aisle demonstrations (AD) and technology-based (TB) nutrition education treatments. Methods: A quasi-experimental 4-month intervention was implemented in rural/Midwest grocery stores (n = 6) with 8 equivalent content/duration lessons. Dietitians engaged shoppers during AD. In-store advertising and Facebook posts recruited TB participants. Data collected included intervention usage and a 1-month postintervention shopper survey. Outcome measures included intervention awareness, touch, engagement, nutrition knowledge, and dietary behaviors. Descriptive survey analysis included Pearson's χ2 and Mann-Whitney U. Significance was set at P < .05. Results: Shopper awareness (n = 133) was 64% for AD and 58% for TB treatments (P = .54). AD (67%) was the majority of intervention touch (n = 1302). A significant difference in engagement was noted (90% AD vs. 13% TB; P < .001). Shoppers reporting 5 or more dietary efforts varied between treatments, 83% AD vs. 42% TB (P = < .001). Among AD shoppers, MyPlate knowledge was significantly higher among shoppers who engaged with the AD than those who did not (70% vs. 44%; P = .02). Additionally, engaged AD shoppers reported significantly smaller portions and sodium comparison vs. those not engaged (P = .009, P = .04). Discussion: Both nutrition education treatments elicited similar shopper awareness; however, greater AD engagement suggests consumer preference. Despite equivalent content, TB lessons may not provide equivalent engagement opportunity/experience. Ubiquitous technology warrants further nutrition education research. Translation to Health Education Practice: Interventions with social interaction/tangible experiences, such as AD, may produce higher engagement/intentions.
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