Table 1.

Participation rates and distributions of the basic demographic information of the studied population.

Variable	ILI		ILA
	N	%	N	%
Total n	8282	100	431	100
Gender
Male	3326	40.20	164	38.10
Female	4956	59.80	267	61.90
Age
<25	1325	16.00	77	17.90
26–35	2507	30.30	214	49.70
36–50	2398	29.00	97	22.50
51–65	1595	19.30	33	7.70
>65	457	5.50	10	2.30
Level of education
<High school	552	6.70	8	1.90
High school	3011	36.40	99	23.00
University/post-lauream	4719	57.00	324	75.20
Job status
Employee	3967	47.90	255	59.20
Autonomous/entrepreneur	1494	18.00	49	11.40
Student	1364	16.50	89	20.60
Retiree	564	6.80	12	2.80
Unemployed	893	10.80	26	6.00