2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2209 | total | |
---|---|---|---|---|---|---|---|---|---|---|
N treatments | 302 | 653 | 925 | 480 | 462 | 314 | 212 | 222 | 138 | 3708 |
% total | 8.1 | 17.6 | 25.0 | 12.9 | 12.5 | 8.5 | 5.7 | 6.0 | 3.7 | 100.00 |
Female: male (n = 3696) | 44:56 | 46:54 | 48:52 | 54:46 | 43:57 | 41:59 | 36:64 | 37:63 | 39:61 | 45:55 |
Age, yrs mean (SD) (n = 2721) | 12.9(10.5) | 15.3(12.4) | 15.9(13) | 15.8(12.2) | 13.6(11.6) | 17.5(12) | 17.8(13.4) | 20.6(14.1) | 22(14.6) | 16(12.7) |
Weight, kg mean (SD) (n = 3626) | 31(16.5) | 36.7(19.6) | 37.9(20) | 36.5(18.3) | 32.2(16.8) | 40.4(17.7) | 36.2(18) | 39.4(17) | 47.3(19.3) | 36.5(19) |