Table 4.

Attrition in the COHESION Study Phase 1, and comparison of participants enrolling or not in the prospective follow-up according to demographics (N = 1,268)

	Participating in follow-ups (N = 758)		Participated in baseline only (N = 510)
Characteristics	N	Percent	N	Percent	p -value a
Age category					<0.001
15-24	47	6.2 %	56	11.0 %
25-34	120	15.8 %	111	21.8 %
35-44	134	17.7 %	93	18.2 %
45-54	131	17.3 %	99	19.4 %
55-64	183	24.1 %	99	19.4 %
≥65	143	18.9 %	52	10.2 %
Gender					0.63
Woman	591	78.0 %	394	77.3 %
Man	146	19.3 %	97	19.0 %
Other identity	21	2.8 %	19	3.7 %
Ethnic or cultural group					0.64
White	649	85.6 %	431	84.5 %
Other group	109	14.4 %	79	15.5 %
Born in Canada					0.12
Yes	631	83.2 %	442	86.7 %
No	127	16.8 %	68	13.3 %
Education level					0.069
School degree	94	12.4 %	85	16.7 %
College degree	169	22.3 %	109	21.4 %
University degree	235	31.0 %	173	33.9 %
Post-graduate degree	254	33.5 %	139	27.3 %
Unknown / Not answered	6	0.8 %	4	0.8 %
Employment					<0.001
Employed, full-time	300	39.6 %	245	48.0 %
Employed, part-time	85	11.2 %	63	12.4 %
Self-employed	23	3.0 %	13	2.5 %
Unemployed	99	13.1 %	84	16.5 %
Retired	192	25.3 %	53	10.4 %
On leave / Disabled	29	3.8 %	30	5.9 %
Student	13	1.7 %	11	2.2 %
Other	17	2.2 %	11	2.2 %
Relationship					0.59
In a relationship / Married	511	67.4 %	336	65.9 %
Single	160	21.1 %	122	23.9 %
Separated / Divorced / Widowed	85	11.2 %	50	9.8 %
Other	2	0.3 %	2	0.4 %

^aChi-square test (or Fisher exact test for low numbers).