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Table 5 Meta-regression p values by covariate, with and without abnormally wet years included in analysis

From: Drought severity and all-cause mortality rates among adults in the United States: 1968–2014

Covariate P value
Wet Years Included
 Race 0.001
 Sex 0.992
 Age 0.002
 Region <  0.001
Wet Years Excluded
 Race <  0.001
 Sex 0.975
 Age 0.001
 Region <  0.001