Predicting participation in prospective studies of ovarian aging

Menopause : the Journal of the North American Menopause Society
Deborah B NelsonClarisa R Gracia

Abstract

Identifying clinical markers and characteristics of the transition to menopause is an important woman's health issue, and recent long-term, prospective, cohort studies are just beginning to offer insight into methods of predicting the transition to menopause. One of the major challenges of conducting prospective cohort studies is the problem of attrition-both the retention of study participants and the influence of dropouts on the final study results. We conducted this systematic analysis to: 1) identify baseline predictors of subsequent long-term participation, and 2) determine the demographic, psychosocial, and hormonal differences between participants and dropouts among a group of premenopausal women enrolled in a longitudinal study of ovarian aging. Using data from the Penn Ovarian Aging study, premenopausal women aged 35 to 47 enrolled in the study were classified as either Active (full participants), Skipped, or Dropped participants based on their visit pattern during a 4-year study interval. Most of the demographic and psychosocial variables did not significantly differ between the Active, Skipped, or Dropped groups. There was no racial difference in study participation. The Dropouts were more likely to have a high schoo...Continue Reading

References

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Citations

Feb 15, 2005·Contraception·Deborah B NelsonElizabeth Langan
Sep 8, 2005·Menopause : the Journal of the North American Menopause Society·Clarisa R GraciaDeborah B Nelson
Jun 11, 2009·Menopause : the Journal of the North American Menopause Society·Mary D SammelWensheng Guo
Mar 11, 2010·Menopause : the Journal of the North American Menopause Society·Ellen W FreemanClarisa R Gracia
Nov 4, 2008·Obstetrics and Gynecology·Manish GopalClarisa Gracia
Jan 1, 2008·Obstetrics and Gynecology·Ellen W FreemanShiv Kapoor
Aug 2, 2007·Obstetrics and Gynecology·Ellen W FreemanLi Sheng
Apr 3, 2007·Obstetrics and Gynecology·Clarisa R GraciaMarjori Mogul
Aug 27, 2010·Annals of the New York Academy of Sciences·Rebecca J Ferrell, MaryFran Sowers
Nov 6, 2015·Journal of the Royal Statistical Society. Series C, Applied Statistics·Bei JiangMichael R Elliott
Jul 20, 2016·Menopause : the Journal of the North American Menopause Society·Ellen W Freeman, Mary D Sammel

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