| Activity   
							  | Injury/1000
 partic.
 days
 | Illness/1000
 partic.
 days
 | Evacuation/1000
 partic.
 days
 | Fatality per
 million
 partic.
 days
 | 
						   
							 | OBHIC, wilderness treatment programs for adolescents, 1998 | 1.12 
							  | 0.53 
							  | 0.92 
							  | 1-2 est. 
							  | 
						   
							 | OBHIC, wilderness treatment programs for adolescents, 1999 | 0.60 
							  | 0.50 
							  | 0.80 
							  | 1-2 est. 
							  | 
						   
							 | NOLS,wilderness education field programs 1995-1998 (Leemon 1999)
 | 1.29 
							  | 0.92 
							  | 1.36 
							  | 1.8 
							  | 
						   
							 | NOLS, 1984-1994 (Schimelpfenig 1994) | 1.99 
							  | 1.37 
							  | 1.57 
							  |  | 
						   
							 | Adventure program: backpacking: 6 hrs, plus 18 hrs in camp (leemon 1998) | 2.05 
							  |  |  |  | 
						   
							 | Adventure program: cross-country skiing (Liddle and Storck 1995) | 0.91 
							  |  |  |  | 
						   
							 | Adventure program: canoeing (Leemon 1998) | 1.54 
							  |  |  |  | 
						   
							 | Adventure program: downhill skiing (Liddle and Storck 1995) | 3.28 
							  |  |  |  | 
						   
							 | High school football practice (Zemper 1998) | 19.74 
							  |  |  |  | 
						   
							 | High school football, games (Mueller and Cantu 1998) | 35.00 
							  |  |  | 0.63 (1) 
							  | 
						   
							 | Alpine backcountry skiing (Colorado Dept of Public Health & Environment 1998) |  |  |  | 1.5 
							  | 
						   
							 | Commercial white water rafting (Univ. of Colorado Business Res Division 1998) |  |  |  | 1.8 
							  | 
						   
							 | White adolescents 15-19, all accidental causes (Nat Ctr For Injury Prevention & Control 
								1999a) |  |  |  | 1.5 
							  | 
						   
							 | Adolescent drivers & occupants of motor vehicles, age 15-19 (Nat Ctr For Injury Prevention 
								& Control 1999a) |  |  |  | 4.5 
							  | 
						   
							 | (1) Plus .63 permanently disabling injuries, mostly paralysis. |  |  |  |  |