Chunk #17 — MATERIALS AND METHODS — Data Analysis

Source

Reporting bias in the association between age at first alcohol use and heavy episodic drinking.

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yes

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Descriptive statistics and correlations were calculated in SAS, version 8.2 (SAS Institute, Inc., 2001). Regression analyses were conducted in Stata, version 9.2 (Statacorp, 2007), with confidence intervals adjusted for family clustering using Huber-White robust standard errors.