Poor40.526.6<30 minutes to 1 hour>8<1 to 2 hours>9<2 to 3 hours>5.77.32.810054.795.4 Non-poor64.218.4<30 minutes to 1 hour>5.7<1 to 2 hours>4.5<2 to 3 hours>32.91.310028.197.3