Abstract
During childhood and adolescence, a game could be an effective educational tool to learn healthy eating habits. We developed Kaledo, a new board game, to promote nutrition education and to improve dietary behavior. A two-group design with one pre-treatment assessment and two post-treatment assessments was employed. A total of 3,110 subjects (9–19 years old) from 20 schools in Campania, Italy, were included in the trial. In the treated group, the game was introduced each week over 20 consecutive weeks. Control group did not receive any intervention. The primary outcomes were (i) score on the “Adolescent Food Habits Checklist” (AFHC), (ii) scores on a dietary questionnaire, and (iii) BMI z-score. At the first post-assessment (6 months), the treated group obtained significantly higher scores than the control group on the AFHC (14.4 (95 % confidence interval (CI) 14.0 to 14.8) vs 10.9 (95 % CI 10.6 to −11.2); F(1,20) = 72.677; p < 0.001) and on four sections of the dietary questionnaire: “nutrition knowledge” (6.5 (6.4 to 6.6) vs 4.6 (4.5 to 4.7); F(1,16) = 78.763; p < 0.001), “healthy and unhealthy diet and food” (11.2 (11.0 to 11.4) vs 10.4 (10.3 to 10.6); F(1,32) = 21.324; p < 0.001), “food habits” (32.4 (32.0 to 32.8) vs 27.64 (27.3 to 28.0); F(1,26) = 195.039; p < 0.001), and “physical activity” (13.4 (13.2 to 13.7) vs 12.0 (11.8 to 12.6); F(1,20) = 20.765; p < 0.001). Moreover, the treated group had significantly lower BMI z-score with respect to the controls at the first (0.44 (0.42 to 0.46) vs 0.58 (0.56 to 0.59), F(1,18) = 16.584, p = 0.001) and at the second (18 months) (0.34 (0.30 to 0.38) vs 0.58 (0.54 to 0.62), F(1,13) = 7.577; p = 0.017) post-assessments. Conclusion: Kaledo improved nutrition knowledge and dietary behavior over 6 months and had a sustained effect on the BMI z-score. Therefore, it may be used as an effective tool in childhood and adolescence obesity prevention programs.
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Acknowledgments
Kaledo was patented by Bruno De Luca and Salvatore Amaro as members of the non-profit organization Associazione Culturale Kaledo. At present, this national patent has expired.
Authors have no conflict of interest to declare. This research was funded by Second University of Naples, Associazione Culturale Kaledo, Regione Campania (Assessorato all’Istruzione), Provincia di Napoli, Provincia di Salerno Assessorato allo Sport, Comune di Cercola (Assessorato all’istruzione) and Fondazione per l’Assistenza all’Infanzia.
The authors would like to thank the school principals and the teachers of the schools Bordiga I (Naples), Matilde Serao (Volla-NA), Giovanni Falcone (Volla-NA), Caravita (Cercola-NA), S. Alfonso (Pagani-SA), Eduardo De Filippo (Sant’Egidio del Monte-SA), A. Genovesi (Nocera Inferiore-SA), SMS Marconi (S. Giorgio a Cremano-NA), Bordiga III (Naples), Antonio Custra (Cercola-NA), SMS Aniello Criscuolo (Pagani-SA), Quasimodo (Salerno), IPIA (Naples), Istituto Agrario De Cillis (Naples), Liceo Scientifico Portici (Portici-NA), ITIS Marconi (Nocera Inferiore-SA), ITIS San Giorgio (S. Giorgio a Cremano-NA), ITIS Galilei (Nocera Inferiore-SA), and Liceo Regina Margherita (Salerno) for their collaboration and free participation in the research. We also thank the editor and the anonymous reviewers for their constructive comments, which helped us to improve the manuscript. Finally, we would like to thank Fr. Salvatore Coppola who coined the word Kaledo from the ancient Greek words χαλως εδω (eating well).
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Viggiano, A., Viggiano, E., Di Costanzo, A. et al. Kaledo, a board game for nutrition education of children and adolescents at school: cluster randomized controlled trial of healthy lifestyle promotion. Eur J Pediatr 174, 217–228 (2015). https://doi.org/10.1007/s00431-014-2381-8
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DOI: https://doi.org/10.1007/s00431-014-2381-8