title: Effects of an intervention strategy for school children aimed at reducing overweight and obesity within the State of Mexico.
abstract: OBJECTIVE
  This study explored the intervention effect of the "Nutrition on the Go" strategy on the prevalence of overweight and obesity (OW+O), according to the role played by different patterns.
  
  
  METHODS
  Pattern Groups (PG) were determined based on schools' food availability and other variables at individual level: nutrition knowledge, physical activity, socioeconomic level and self-efficacy, using an ecological approach. The PG classification was achieved using Ward's cluster method.
  
  
  RESULTS
  The prevalence of OW+O was higher in PGI (intermediate food availability and high socioeconomic index [SEI]) compared to PG 2 (high availability of food and lower SEI) and PG 3 (low availability of food and medium SEI) with a lower prevalence (p<0.00I). The PG-intervention interaction showed differences for PG 3 (p=0.066), the stage-PG interaction showed differences between PGs I and 3 (p=0.014) and between PGs 2 and 3 (p=0.055).
  
  
  CONCLUSIONS
  Differences between PGs have important implications for the prevalence of OW+O.
authors: Centro de Investigación en Nutrición y Salud, Instituto Nacional de Salud Pública, Cuernavaca, Morelos, México.
authors: María del Carmen
authors: Mdel C
authors: Morales-Ruán
authors: Centro de Investigación en Nutrición y Salud, Instituto Nacional de Salud Pública, Cuernavaca, Morelos, México.
authors: Teresa
authors: T
authors: Shamah-Levy
authors: Centro de Investigación en Nutrición y Salud, Instituto Nacional de Salud Pública, Cuernavaca, Morelos, México.
authors: Claudia Isabel
authors: CI
authors: Amaya-Castellanos
authors: Centro de Investigación en Nutrición y Salud, Instituto Nacional de Salud Pública, Cuernavaca, Morelos, México.
authors: Araceli Apolonia
authors: AA
authors: Salazar-Coronel
authors: Centro de Investigación en Nutrición y Salud, Instituto Nacional de Salud Pública, Cuernavaca, Morelos, México.
authors: Alejandra
authors: A
authors: Jiménez-Aguilar
authors: Centro de Investigación en Nutrición y Salud, Instituto Nacional de Salud Pública, Cuernavaca, Morelos, México.
authors: Maritza Alejandra
authors: MA
authors: Amaya-Castellanos
authors: Centro de Investigación en Matemáticas A.C., Aguascalientes, México.
authors: Ignacio
authors: I
authors: Méndez-Gómez Humarán
mesh_terms: D001296:Audiovisual Aids; D015992:Body Mass Index; D002648:Child; D003132:Commerce; D000072001:Diet, Healthy; D015444:Exercise; D005260:Female; D000068957:Games, Recreational; D006293:Health Promotion / Q000379:methods*; D000070497:Healthy Lifestyle; D006801:Humans; D008297:Male; D008800:Mexico / Q000453:epidemiology; D009752:Nutritional Status; D050177:Overweight / Q000453:epidemiology / Q000517:prevention & control*; D063766:Pediatric Obesity / Q000453:epidemiology / Q000517:prevention & control; D012572:School Health Services; D020377:Self Efficacy; D012959:Socioeconomic Factors; D014881:Water Supply