TY - JOUR AU - Spittaels, Heleen AU - Verloigne, Maïté AU - Gidlow, Christopher AU - Gloanec, Julien AU - Titze, Sylvia AU - Foster, Charlie AU - Oppert, Jean-Michel AU - Rutter, Harry AU - Oja, Pekka AU - Sjöström, Michael AU - De Bourdeaudhuij, Ilse PY - 2010 DA - 2010/05/26 TI - Measuring physical activity-related environmental factors: reliability and predictive validity of the European environmental questionnaire ALPHA JO - International Journal of Behavioral Nutrition and Physical Activity SP - 48 VL - 7 IS - 1 AB - 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 Levels of PHysical Activity and fitness (ALPHA)". This paper reports on the development and assessment of the questionnaire's test-retest stability, predictive validity, and applicability to European adults. SN - 1479-5868 UR - https://doi.org/10.1186/1479-5868-7-48 DO - 10.1186/1479-5868-7-48 ID - Spittaels2010 ER -