Table 1.

Demographic Characteristics and Lifestyle Factors in the Study Population

Characteristics	Male	Female	Total
No. (%)	483 (59.7)	326 (40.3)	809
Age, yrs	51.0±12.3	48.6±9.8	50.1±13.4
Folate levela (nmol/l)	10.1±6.0	12.1±4.0	10.7±3.9
Creatininea (mg/dl)	1.2±0.2	1.0±0.1	1.0±0.2
Hcya (μmol/l)	12.4±3.4	9.3±2.6	11.1±3.5
Vitamin supplementa, Yes	24.7%	35.2%	28.9%
Current smokinga, Yes	38.9%	5.7%	25.8%
Regular exercisea, Yes	64.3%	49.2%	58.3%
Body mass indexa (kg/m2)	24.4±2.9	22.4±3.2	23.5±3.2

Values are presented as the mean±SD unless otherwise indicated. Hcy, homocysteine.

^{a a} P<0.001 between the men and women.