Parkinson’s Disease and Homocysteine: A Community-Based Study in a Folate and Vitamin B12 Deficient Population

Table 1

Age and sex distribution of the targeted population, participants and participation rates.

Age, years	Targeted population,			Participants,			Participation rates, %
	Men	Women	Total	Men	Women	Total	Men	Women	Total
55–64	1600	1607	3207	1128	1198	2326	70.5	74.5	72.5
65–74	905	949	1854	679	741	1420	75.0	78.1	76.6
75–84	563	559	1122	401	366	767	71.2	65.5	68.4
≥85	75	80	155	42	50	92	56.0	62.5	59.4
Total	3143	3195	6338	2250	2355	4605	71.6	73.7	72.7