showed a trendp<0.15
Only the variables that appeared significant, or that showed a trend for significance (RR<0.7 or RR>1.3 and p<0.15) were considered in a multivariate model.
Only the variables that appeared significant, or that showed a trend for significance (RR<0.7 or RR>1.3 and p<0.15) were considered in a multivariate model.