Data splitting as a countermeasure against hypothesis fishing: with a case study of predictors for low back pain.

Eur J Epidemiol · 2008 · PMC2270357 · PMID 18288577

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did not achieve significanceno p-value reported

Smoking status was a strong predictor of LBP in Part 1 of the data set (hypothesis identification), but did not achieve significance in Part 2 (hypothesis testing).

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