a nonsignificant trendP =.053
A nonsignificant trend suggested a decrease in duration from the third to fourth quarter ( P =.053; IQR 20-30 minutes versus 15-30 minutes; mean 30, SD 25 versus mean 26, SD 19).
A nonsignificant trend suggested a decrease in duration from the third to fourth quarter ( P =.053; IQR 20-30 minutes versus 15-30 minutes; mean 30, SD 25 versus mean 26, SD 19).