TY - GEN AU - Cole,Judith A AU - Gillespie,Paddy AU - Smith,Susan M AU - Byrne,Molly AU - Murphy,Andrew W AU - Cupples,Margaret E TI - Using postal questionnaires to evaluate physical activity and diet behaviour change: case study exploring implications of valid responder characteristics in interpreting intervention outcomes SN - 1756-0500 PY - 2015///0626 KW - Adult KW - Aged KW - Aged, 80 and over KW - Diet KW - Female KW - Heart Diseases KW - diagnosis KW - Humans KW - Ireland KW - epidemiology KW - Life Style KW - Male KW - Middle Aged KW - Motor Activity KW - Multivariate Analysis KW - Northern Ireland KW - Patient Compliance KW - Postal Service KW - Reproducibility of Results KW - Research Design KW - Risk Factors KW - Risk Reduction Behavior KW - Secondary Prevention KW - methods KW - Self Report KW - Socioeconomic Factors KW - Surveys and Questionnaires KW - Time Factors KW - Treatment Outcome N1 - Publication Type: Journal Article; Multicenter Study; Randomized Controlled Trial; Research Support, Non-U.S. Gov't UR - https://doi.org/10.1186/1756-0500-7-725 ER -