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Adolescence is a critical period for the emergence of eating disorders, and food insecurity may be related to eating pathology and weight, as evidenced in adults. However, little is known about food insecurity and eating pathology during this developmental period, and associations between food insecurity and body mass index (BMI) are mixed. Therefore, we examined associations between food insecurity and BMI percentile, self-reported eating-related pathology and binge eating, and subgroup differences by race/ethnicity. In a subset, we examined the relationship between food insecurity and real-world hunger, food craving, and loss-of-control eating using ecological momentary assessment (EMA). Fifty-eight adolescents at two sites (clinical sample, n = 38, BMI percentile ≥ 70th; community sample, n = 20, all BMI strata) completed self-report questionnaires. Adolescents were 15.2 ± 2.1 years old, 62% female, 50% Black, 34.5% Hispanic, with BMI percentile = 80.5 ± 25.8 (range 4–99). In the full sample, food insecurity was associated with greater BMI (p < 0.01), higher shape/weight overvaluation (p = 0.04), and greater number of binge eating episodes among those reporting at least one binge episode (p < 0.01), with significant relationships for BMI percentile, shape/weight overvaluation, body dissatisfaction, and binge episode frequency among Hispanic adolescents only (each p < 0.01). As in adults, food insecurity may be a risk factor for eating pathology, particularly for Hispanic teens.

Objective Approximately 11% of the U.S. population experiences food insecurity (FI; insufficient access to healthy food due to financial constraints). FI is associated with detrimental health outcomes, including the development of eating disorders (EDs). However, additional studies are needed, particularly in adolescence when EDs are likely to emerge. The current study will utilize an experimental ad libitum snack paradigm to investigate snack consumption, acquisition (i.e., taking snacks home), and associated disordered eating behaviors among racially, ethnically, and financially diverse adolescents living with FI and food security (FS). Method Sixty‐four adolescents will be recruited and randomized into one of two conditions: prior knowledge condition (i.e., participants will know prior to snacking that they can take any remaining food home) and no prior knowledge condition (i.e., participants will not know ahead of time that they can take snacks home). Results We expect youth with FI to show increased eating and acquisition behaviors compared to youth with FS across both conditions. Discussion This study, utilizing a novel experimental design, is an important step in understanding how FI impacts adolescent eating behaviors among youth from marginalized backgrounds, who have historically been excluded from research.