From: Smoking status in relation to serum folate and dietary vitamin intake
 | Smokers % (n) | Ex/Non smokers % (n) | P-value |
---|---|---|---|
Folate (<400 μg/day) | 94.4 (133) | 92.1 (327) | 0.371 |
Folate (<268 μg/day) | 76.2 (109) | 70.7 (251) | 0.213 |
Vitamin A (<67% of RDA) | 49.7 (71) | 42.3 (150) | 0.133 |
Vitamin E (<67% of RDA) | 39.9 (57) | 35.8 (127) | 0.393 |
Vitamin C (<67% of RDA) | 24.5 (35) | 18.0 (64) | 0.103 |
Vitamin B 1 (<67% of RDA) | 4.9 (7) | 12.4 (44) | 0.013 |
Vitamin B 2 (<67% of RDA) | 9.1 (13) | 14.1 (50) | 0.129 |
Vitamin B 6 (<67% of RDA) | 11.2 (16) | 19.2 (68) | 0.032 |
Vitamin B 12 (<67% of RDA) | 21.1 (30) | 42.5 (148) | <0.001 |
Fibre (<15 g) | 39.2 (56) | 36.3 (129) | 0.555 |
Fruits and Vegetables (<67 % of RDA) | 36.8 (49) | 29.9 (103) | 0.142 |