They did give a P value, it's the final column labelled Pr (>|t|). The findings are significant. They also gave the standard error, which you can use to compu

They did give a P value, it's the final column labelled Pr (>|t|). The findings are significant. They also gave the standard error, which you can use to compute your own confidence interval (95% would be about 2x, or ranging from no effect to a 20% reduction)