Hurricane katrina: influence on the male-to-female birth ratio

This study was carried out in order to ascertain whether or not Hurricane Katrina and related factors [i.e. the amount of rainfall] influenced the male-to-female birth ratio [M/F]. Monthly births by gender for the affected states [Alabama, Florida, Louisiana and Mississippi] for January 2003 to December 2012 were obtained from the Centers for Disease Control and Prevention [CDC Wonder, Atlanta, Ga., USA]. Precipitation data was obtained from the US National Weather Service. Ordinary linear logistic regression was used for trend analysis. A p value