Dergi Ara >>
Yıl:2014; Cilt: 4; Sayı: 4>> Özet
TAM METİN
Journal of Mood Disorders; 2014;4(4):186-188
Etki değişimi
S Kılıç
GATA, Ankara
Etki değişimi üçüncü bir değişkenin düzeyine bağlı olarak sonuç değişkeni üzerinde birincil maruziyet (neden) değişkeninin etkisinin değişmesi durumudur. Neden ile sonuç arasındaki ilişkinin büyüklüğünün (olasılıklar oranı, göreceli risk) üçüncü değişkene göre oluşturmuş alt gruplarda büyüklüğünün değişmesidir. Neden ve sonuç arasındaki ilişkiyi doğru yorumlamak için elzem bir bilgidir. Bu yazıda bir örnekle etki değişimi kavramı açıklanmıştır.
Effect modification
Effect modification is the magnitude of the effect of the primary exposure on an outcome differs depending on the level of a third variable. It is the condition in which the magnitude of association between exposure and outcome differs among subgroups with respect to the third variable. It is an essential information to interpret correctly the association between exposure and outcome. In this manuscript effect modification concept is explained with an example.

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