title: [Applying the Theory of Planned Behavior: Which factors influence on doing physical exercise?].
abstract: OBJECTIVE
  The purpose of this study was analyzed the influence of attitude, subjective norm, and Perceived behavioral control (PBC) on intention of doing physical exercise in a group of people.
  
  
  METHODS
  Cross-sectional and observational study.
  
  
  METHODS
  Questionnaire was applied to general population in the province of Alicante
  
  
  METHODS
  679 people who practiced physical exercise in the province of Alicante.
  
  
  METHODS
  It was applied a questionnaire measuring the components of the Theory of Plan Behavior model (TPB).
  
  
  RESULTS
  Results showed that variables of the model (TPB) had good fit to the data. Moreover, subjective norm and perceived behavioural control had a significant impact on intention and the three variables explained 61% of its variance.
  
  
  CONCLUSIONS
  Findings supported the important role of TPB in the context of physical exercise. Perceived behavioral control was the strongest predictor of intention to practice physical exercise. A possible intervention might lead to implement programs focused in increasing control perception of people to engage in physical exercise.
authors.affiliation: Departamento de Psicología de la Salud, Universidad Miguel Hernández, Elche, Alicante, España. Electronic address: neipp@goumh.umh.es.
authors.forename: Mari Carmen
authors.initials: MC
authors.lastname: Neipp
authors.affiliation: Departamento de Psicología de la Salud, Universidad Miguel Hernández, Elche, Alicante, España.
authors.forename: María José
authors.initials: MJ
authors.lastname: Quiles
authors.affiliation: Departamento de Psicología de la Salud, Universidad Miguel Hernández, Elche, Alicante, España.
authors.forename: Eva
authors.initials: E
authors.lastname: León
authors.affiliation: Departamento de Psicología de la Salud, Universidad Miguel Hernández, Elche, Alicante, España.
authors.forename: Sonia
authors.initials: S
authors.lastname: Tirado
authors.affiliation: Departamento de Psicología de la Salud, Universidad Miguel Hernández, Elche, Alicante, España.
authors.forename: Jesús
authors.initials: J
authors.lastname: Rodríguez-Marín
mesh_terms: D000328:Adult; D001294:Attitude to Health; D003430:Cross-Sectional Studies; D015444:Exercise / Q000523:psychology*; D005260:Female; D015438:Health Behavior; D006801:Humans; D033182:Intention; D008297:Male; D008960:Models, Psychological; D012189:Retrospective Studies; D057566:Self Report
keywords: Conducta saludable; Ejercicio físico; Health behavior; Health promotion; Physical exercise; Promoción de la salud; Teoría de la Conducta Planeada; Theory of planned behavior