secondary analysis


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secondary analysis

the study of a problem by using previously compiled data.
References in periodicals archive ?
Automated management of the secondary analysis pipeline via our partnerships
to ensure that EFSA has access to the provision of a full range of qualitative and quantitative research services in the following areas: reviews (desk research), primary research (collection and analysis of new data), secondary analysis of existing data, evaluation; 2.
She presented a secondary analysis from the Exercise for Bone Health: Young Breast Cancer Survivors Study, in which 206 women who were under age 55 and had completed adjuvant chemotherapy for breast cancer were randomized to a 12-month structured exercise program conducted through the YMCA or to a control group that received a monthly health newsletter.
The study's investigators performed a secondary analysis of data drawn from the Aerobics Center Longitudinal Study to assess the trajectory of blood pressure over time and determine whether physical fitness, measured in this study by maximal treadmill exercise testing, influenced that trajectory.
This was a secondary analysis of the Mothers, Omega-3, and Mental Health Study reported on above.
He presented a secondary analysis of a double-blind multicenter trial in which 230 patients with a major unipolar or bipolar depressive episode and a mean baseline score of 35 on the 24-item Hamilton Rating Scale for Depression were randomized to one of the three ECT electrode placements.
They also conducted a secondary analysis of participants who were 60 years old or older at the time of the survey, which gave them another 20,138 individuals for the analysis.
The topics include mapping the academic landscape of quantitative methods, some career reflections on the place of quantification in the professional training of sociologists, challenges and opportunities for developing teaching in quantitative methods, a pilot project to increase secondary analysis in undergraduate dissertations, and mathematics for economics.
The primary analysis described above was complemented in AREDS2 with a secondary analysis, where treatment and control groups were re-defined as follows: treatment group = L+Z and L+Z+DHA+EPA groups, combined (3,451 eyes) and a control group = all other patients (3,440 eyes).
Potable water connections: Of units surveyed, 29%did not have approved personal eyewash bottles (NSN 6515-01-393-0728 or NIN 00-960-2326) readily available, in sufficient quantities in lieu of permanent or portable eyewash stations in nucleonic / water chemistry rooms and in secondary analysis stations.
In Lilly's pre-specified secondary analysis of pooled data in
A secondary analysis, excluding the study with crossover of patients between the two interventions after randomisation, showed a significant relative risk reduction of 39% for antibiotic therapy.