Table 1.
Baseline characteristics and B vitamin intakes of the participants from EMCOA study (n = 2533)
| Baseline characteristics | Overall sample | Men | Women |
|---|---|---|---|
| (N = 2533) | (N = 1165) | (N = 1368) | |
| Demographic characteristics | |||
| Age | 59 (55, 62) | 59 (56, 63) | 58 (55, 62) |
| Education years | 9 (9, 12) | 12 (9, 12) | 9 (9, 12) |
| BMI (kg/m2) | 24.5 (22.7, 26.6) | 24.9 (23.2, 27.0) | 24.2 (22.3, 26.2) |
| Lifestyle | |||
| Current smoker, n(%) | 597 (25.4%) | 562 (48.2%) | 35 (2.6%) |
| Current drinker, n(%) | 634 (26.9%) | 560 (48.1%) | 74 (5.4%) |
| Medical history | |||
| Diabetes, n(%) | 381 (15.0%) | 215 (18.5%) | 166 (12.1%) |
| Hypertension, n(%) | 834 (32.9%) | 425 (36.5%) | 409 (29.9%) |
| Coronary heart disease, n(%) | 250 (9.9%) | 148 (12.7%) | 102 (7.5%) |
| Dietary B vitamin intakes | |||
| Vitamin B6 (mg/day) | 2.3 (1.8, 3.0) | 2.4 (1.9, 3.3) | 2.2 (1.7~2.8) |
| 1st quartile | 0.4~1.8 | 0.5~1.9 | 0.4~1.7 |
| 2nd quartile | 1.8~2.3 | 1.9~2.4 | 1.7~2.2 |
| 3rd quartile | 2.3~3.0 | 2.4~3.3 | 2.2~2.8 |
| 4th quartile | 3.0~17.4 | 3.3~17.4 | 2.8~9.5 |
| Folate (μg/day) | 388.1 (274.8~534.2) | 394.8 (277.5, 551.5) | 381.1 (271.9, 518.9) |
| 1st quartile | 27.0~274.8 | 31.5~277.5 | 27.0~271.1 |
| 2nd quartile | 274.8~388.1 | 277.5~394.8 | 271.1~381.1 |
| 3rd quartile | 388.1~534.2 | 394.8~551.5 | 381.1~518.9 |
| 4th quartile | 534.2~5952.2 | 551.5~5952.2) | 518.9~3132.2 |
| Vitamin B12 (μg/day) | 2.1 (1.3, 3.4) | 2.5 (1.6, 4.0) | 1.9 (1.1, 2.8) |
| 1st quartile | 0~1.3 | 0~1.6 | 0~1.1 |
| 2nd quartile | 1.3~2.1 | 1.6~2.5 | 1.1~1.9 |
| 3rd quartile | 2.1~3.4 | 2.5~4.0 | 1.9~2.8 |
| 4th quartile | 3.4~36.5 | 4.0~36.5 | 2.8~23.8 |
BMI body mass index