Table 1.

Tracking of participants.

Number of participants	Year of birth					Total
	1989	1988	1987	1986	1985
Total	108	3484	3899	3273	2830	13594
Incomplete Data/outside Canada	5	50	53	60	61	229
Sent the CAM Questionnaire
Males	49	170	170	170	170	729
Females	54	170	170	170	170	734
Responded
Males	3	15	16	22	18	74
Females	11	33	27	38	44	153