TY - JOUR
T1 - Factors affecting sample selection in a randomized trial of balance enhancement
T2 - The FICSIT study
AU - Pacala, James T.
AU - Judge, James Oat
AU - Boult, Chad
PY - 1996/4
Y1 - 1996/4
N2 - OBJECTIVE: To determine demographic, functional, and health-related factors that may have influenced the selection of older adults for a randomized trial of balance enhancement. DESIGN: Comparison of participants with nonparticipants at various stages of the recruiting process. SETTING: Northeastern suburban community. PARTICIPANTS: Registered voters aged 75 and older (n = 7191). MEASUREMENTS: Demographic, health-related, functional, balance, gait, and falling characteristics. RESULTS: The overall participation rate in the randomized trial was 1.5%. Compared with nonparticipants, participants were significantly more likely to be male, married, living with others, living in a house, highly educated, healthy, and physically active. CONCLUSION: Recruiting older subjects by mail to studies of rigorous interventions can produce significant selection biases that may limit the population to which results can be generalized.
AB - OBJECTIVE: To determine demographic, functional, and health-related factors that may have influenced the selection of older adults for a randomized trial of balance enhancement. DESIGN: Comparison of participants with nonparticipants at various stages of the recruiting process. SETTING: Northeastern suburban community. PARTICIPANTS: Registered voters aged 75 and older (n = 7191). MEASUREMENTS: Demographic, health-related, functional, balance, gait, and falling characteristics. RESULTS: The overall participation rate in the randomized trial was 1.5%. Compared with nonparticipants, participants were significantly more likely to be male, married, living with others, living in a house, highly educated, healthy, and physically active. CONCLUSION: Recruiting older subjects by mail to studies of rigorous interventions can produce significant selection biases that may limit the population to which results can be generalized.
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U2 - 10.1111/j.1532-5415.1996.tb06405.x
DO - 10.1111/j.1532-5415.1996.tb06405.x
M3 - Article
C2 - 8636580
AN - SCOPUS:0029976265
SN - 0002-8614
VL - 44
SP - 377
EP - 382
JO - Journal of the American Geriatrics Society
JF - Journal of the American Geriatrics Society
IS - 4
ER -