Poor19.255.1<30 minutes to 1 hour>13.2<1 to 2 hours>9.2<2 to 3 hours>2.60.7010032.176.4 Non-poor26.558.5<30 minutes to 1 hour>8.5<1 to 2 hours>5.2<2 to 3 hours>0.90.4010021.471