TY - GEN AU - Fielding,Shona AU - Fayers,Peter M AU - Ramsay,Craig R TI - Investigating the missing data mechanism in quality of life outcomes: a comparison of approaches SN - 1477-7525 PY - 2009///0806 KW - Clinical Trials as Topic KW - Data Collection KW - Follow-Up Studies KW - Humans KW - Logistic Models KW - Quality of Life KW - Reminder Systems KW - Surveys and Questionnaires N1 - Publication Type: Comparative Study; Journal Article; Research Support, Non-U.S. Gov't UR - https://doi.org/10.1186/1477-7525-7-57 ER -