Table 1.

Distribution of participants by age and educational level.

Age (years)	Educational level (years of schooling)
	1-3	4-7	8-11	≥12	Total
19-34	4	12	28	53	97
35-49	11	15	24	32	82
50-64	14	23	26	22	85
65-81	13	19	15	14	61
Total	42	69	93	121	325