Measuring physical activity-related environmental factors: reliability and predictive validity of the European environmental questionnaire ALPHA

• Main Authors: Oppert Jean-Michel (Author), Foster Charlie (Author), Titze Sylvia (Author), Gloanec Julien (Author), Gidlow Christopher (Author), Verloigne Maïté (Author), Spittaels Heleen (Author), Rutter Harry (Author), Oja Pekka (Author), Sjöström Michael (Author), De Bourdeaudhuij Ilse (Author)
• Format: Book
• Published: BMC, 2010-05-01T00:00:00Z.
• Subjects: article
• Online Access: Connect to this object online.

<p>Abstract</p> <p>Background</p> <p>A questionnaire to assess physical activity related environmental factors in the European population (a 49-item and an 11-item version) was created as part of the framework of the EU-funded project "Instruments for Assessing Lev...