Table 1.

Distribution of subjects according to selected socio-demographic characteristics

		All Subjects				self-respondents only
	Categories	Controls		Cases		Controls		Cases
		N=436	%	N=44	%	N=410	%	N=32	%
Sex
	Male	128	29%	13	30%	117	29%	10	31%
	Female	308	71%	31	70%	293	71%	22	69%
Age
	<= 55	92	21%	12	27%	89	22%	7	22%
	56-65	136	31%	9	20%	133	32%	9	28%
	66-75	208	48%	23	52%	188	46%	16	50%
Ethnicity
	French Canadian	246	56%	25	57%	239	58%	17	53%
	Other	190	44%	19	43%	171	42%	15	47%
Schooling
	< 7 years	137	31%	16	36%	123	30%	10	31%
	7-12 years	172	39%	18	41%	163	40%	14	44%
	13+ years	127	29%	10	23%	124	30%	8	25%
Family income*
	< 30.000	140	32%	17	39%	133	32%	10	31%
	30.000 - 45.000	172	39%	15	34%	161	39%	12	38%
	> 45.000	124	28%	12	27%	116	28%	10	31%
Respondent
	Self	410	94%	32	73%	410	100%	32	100%
	Proxy	26	6%	12	27%

*Median family income for census tract in Can$.