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longitudinal study
(redirected from Longitudinal data)

    Also found in: Medical, Wikipedia 0.01 sec.
longitudinal study [‚län·jə‚tüd·ən·əl ′stəd·ē]
(psychology)
The study of a group of individuals at regular intervals over a relatively long period of time.
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The study examined 9 years of longitudinal data on 8,764 45-64-year-old men and women.
Exercising just one extra hour a week is extremely beneficial in ... by Women's Health Activist
In analyses that isolated the longitudinal aspect of age on cognitive measures in cross-sectional and longitudinal data, the researchers found that APOE e4 carriers had significantly greater predicted decline on the Auditory-Verbal Learning Test--the primary end point of the study--beginning in their 50s, compared with the predicted annual decline of noncarriers beginning in their 70s.
Onset of memory loss in Alzheimer's tied to APOE status by Evans, Jeff / Clinical Psychiatry News
Using longitudinal data from the population-based prescription database of the county of North Jutland, Denmark, and the Danish Cancer Registry, we examined the risk of developing breast cancer in relation to HRT in a cohort of 78,380 women aged 40-67 years from 1989 to 2002.
Hormone use for menopausal symptoms and risk of breast cancer. A ... by Life Extension
 
 
 
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