title: [Reliability and validity of a Mexican version of the Pro Children Project questionnaire].
abstract: OBJECTIVE
  To determine the test-retest reliability, the internal consistency, and the predictive validity of the constructs of the Mexican version of the Pro Children Project questionnaire (PCHP) for assessing personal and environmental factors related to fruit and vegetable intake in 10-12 year-old schoolchildren.
  
  
  METHODS
  Test-retest design with a 14 days interval. A sample of 957 children completed the questionnaire with 82 items. The study was conducted at eight primary schools in 2012 in Ciudad Juarez, Chihuahua, Mexico.
  
  
  RESULTS
  For all fruit constructs and vegetable constructs, the test-retest reliability was moderate (intraclass correlation coefficient (ICC) > 0.60). Cronbach s alpha values were from moderate to high (range of 0.54 to 0.92) similar to those in the original study. Values for predictive validity ranged from moderate to good with Spearman correlations between 0.23 and 0.60 for personal factors and between 0.14 and 0.40 for environmental factors.
  
  
  CONCLUSIONS
  The results of the Mexican version of the PCHP questionnaire provide a sufficient reliability and validity for assessing personal and environmental factors of fruit and vegetable intake in 10-12 year old schoolchildren. Finally, implications to administer this instrument in scholar settings and guidelines for futures studies are discussed.
authors.affiliation: Departamento de ciencias sociales. Universidad Autónoma de Ciudad Juárez. México.. gochoaster@gmail.com.
authors.forename: Gerardo
authors.initials: G
authors.lastname: Ochoa-Meza
authors.affiliation: Departamento de Personalidad, Evaluación y Tratamiento. Universidad de Granada. España.. jcsierra@ugr.es.
authors.forename: Juan Carlos
authors.initials: JC
authors.lastname: Sierra
authors.affiliation: Unidad de Nutrición Comunitaria. Bilbao. España.. bisaludpublica@wanadoo.es.
authors.forename: Carmen
authors.initials: C
authors.lastname: Pérez-Rodrigo
authors.affiliation: Departamento de Ciencias de la Alimentación. Fisiología y Toxicología. Universidad de Navarra. España.. jaranceta@unav.es.
authors.forename: Javier
authors.initials: J
authors.lastname: Aranceta Bartrina
authors.affiliation: Departamento de ciencias sociales. Universidad Autónoma de Ciudad Juárez. México.. oesparza@uacj.mx.
authors.forename: Óscar A
authors.initials: ÓA
authors.lastname: Esparza-Del Villar
mesh_terms: D002648:Child; D000067576:Child Health; D003430:Cross-Sectional Studies; D004032:Diet; D005260:Female; D005638:Fruit; D006801:Humans; D008297:Male; D008800:Mexico; D015203:Reproducibility of Results; D011795:Surveys and Questionnaires; D014675:Vegetables