(PO15-43-22) Association Between Parental Feeding Styles and Excess Weight, and Its Mediation by Diet in Costa Rican Adolescents

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Presenting Author(s)

Kenny Mendoza-Herrera, MS, BS
– PhD student in Population Health Sciences – Nutritional Epidemiology, Harvard T.H. Chan School of Public Health, Harvard University, Somerville, Massachusetts, United States

Co-Author(s)

JM

Josiemer Mattei, PhD
– Associate Professor, Harvard School of Public Health, Boston, Massachusetts, United States
RM

Rafael Monge-Rojas, Dr., PhD
– Costa Rican Institute for Research and Education on Nutrition and Health (INCIENSA)
HO

H. June O'Neill, MPH
– Research Analyst, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, United States
VS

Vanessa Smith-Castro, Dr.
– Universidad de Costa Rica

Disclosure(s):

Kenny Mendoza-Herrera, MS, BS: No relevant financial relationship(s) with ineligible companies to disclose.

Objectives: Parental feeding styles (PFS) influence children’s diet and weight; we aimed to evaluate this relationship in adolescents.

Methods: Cross-sectional study in 686 Costa Rican adolescents (13-18y). Parents responded to a questionnaire from which four validated PFS scores were derived: promotion (verbal encouragement of healthy eating); verbal sanctions/scolding (indirect control of healthy food intake); direct control over diet; instrumental/emotional (food to regulate emotions). Adolescents completed a 3-day food record, from which the validated Traditional Costa Rica Adolescents Diet Score (TCRAD) was defined. Excess weight was dichotomized following standards. Multivariate regression-based mediation analysis estimated the natural direct, indirect, and total effects (NDE/NID/TE) of the following pathway (general/sex-stratified): PFS -> TCRAD -> excess weight.

Results: Excess weight was present in 33% of adolescents. TCRAD mean was similar between excess weight categories. Each additional point of the direct control PFS score was associated with higher odds of excess weight [(TE-OR: 1.55; 95%CI: 1.04-2.31; p=0.033), (NDE-OR: 1.52; 95%CI: 1.02-2.27; p=0.039)]. This association was accentuated in boys vs. girls. A non-significant tendency for lower odds of excess weight was observed for the emotional PFS in boys [(TE-OR: 0.44; 95%CI: 0.19-1.05; p=0.064), (NDE-OR: 0.43; 95%CI: 0.18-1.02; p=0.056)] and the promotion PFS in the total sample (TE-OR: 0.74; 95%CI: 0.47-1.17; p=0.202). TCRAD seemed to have a mediation role between the promotion PFS and excess weight (NID-OR: 0.94; 95%CI: 0.88-1.00; p=0.056).

Conclusions: Healthy eating behaviors encouraged by parents might benefit Costa Rican adolescents’ weight via dietary intake. In contrast, parents directly controlling food access and intake may adversely influence adolescents’ weight, especially in boys. Our work constitutes a first approach studying PFS and obesity among adolescents. Further research is needed to confirm the role of the promotion PFS in obesity prevention and evaluate the contribution of PFS to other diet-related outcomes among adolescents in diverse cultural contexts.

Funding Sources: The Mexican Council of Science and Technology; Fundación México en Harvard; The Costa Rican Ministry of Health; Inciensa Foundation.