Table 4.

Results of the telephone nonrespondent survey (third stage) and motives for nonresponse (N=1080).

Result			N	%
No answer obtained			123	11.39
	Always get the answering machine		18	1.67
	No answer after 20 call-backs		38	3.52
	Number not valid		46	4.26
	Other reasons		21	1.94
Answer obtained			957	88.61
	Physician personally contacted		684	63.33
		Participation in the nonrespondent surveya	547	50.65
		Refusal to participate in the nonrespondent survey	47	4.35
		Already answered the main survey	38	3.52
		Not aware, will participate in the main survey	52	4.81
	Refusal from secretariat		108	10.0
	Refusal from the physician		36	3.33
	Impossible, not eligible		129	11.94
Motives for nonresponse (multiple responses) b			547
	Lack of time		290	53.02
	Does not remember the case		78	14.26
	Was not in charge of the deceased person		64	11.7
	Forgot to answer/lost the questionnaire		53	9.69
	Too difficult to find the medical file		53	9.69
	Unaware of the survey		32	5.85
	Questionnaire too long		28	5.12
	Reason related to the survey topic		6	1.10
	Reason related to the survey methodology		7	1.28

^aA total of 78 physicians who answered the nonresponse survey mentioned that they had already answered the main survey or that they would do so. ^bThe percentages do not add to 100 because this was a multiple-response question.