Thus, if a variable is not significant on univariate analysis it may still become significant once included in an interaction or on adjustment for other variables, such as age, in a multivariate analysis. No important known risk factors for AAA were excluded from the analysis. The authors might use a different term for participants in their study of men over the age of 60 years. DOES NOT test means. This section requires elaboration.
Last paragraph is a bit ambitious.
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