Table 2.
Energy-adjusted dietary intake across tertiles of energy-adjusted dietary B-vitamins among Iranian women*,†,‡
| Vitamin B6 (mg/d) | Vitamin B9 (µg/d) | Vitamin B12 (µg/d) | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| <1·21 | 1·21–1·47 | >1·47 | <286·71 | 286·71–354·80 | >354·80 | <3·66 | 3·66–4·90 | >4·90 | |||||||||||||
| n 149 | n 149 | n 149 | n 149 | n 149 | n 149 | n 149 | n 149 | n 149 | |||||||||||||
| Variables | Mean | sd or sE | Mean | sd or sE | Mean | sd or sE | P value§ | Mean | sd or sE | Mean | sd or sE | Mean | sd or sE | P value§ | Mean | sd or sE | Mean | sd or sE | Mean | sd or sE | P value§ |
| Nutrients | |||||||||||||||||||||
| Energy (kcal/d) | 2219·05 | 602·72 | 1980·06 | 524·06 | 2178·07 | 605·98 | 0·001 | 2215·32 | 619·42 | 1971·57 | 531·48 | 2190·29 | 579·36 | 0·0001 | 2319·68 | 615·11 | 1924·23 | 503·83 | 2133·28 | 571·85 | 0·0001 |
| Proteins (g/d) | 74·53 | 1·26 | 77·88 | 1·27 | 79·32 | 1·26 | 0·02 | 73·59 | 1·25 | 77·89 | 1·26 | 80·25 | 1·25 | 0·001 | 68·81 | 1·18 | 78·42 | 1·18 | 84·50 | 1·15 | 0·0001 |
| Carbohydrates (g/d) | 294·01 | 2·75 | 295·91 | 2·77 | 300·86 | 2·74 | 0·19 | 292·65 | 2·74 | 296·16 | 2·76 | 301·97 | 2·74 | 0·05 | 304·19 | 2·75 | 298·29 | 2·75 | 288·30 | 2·69 | 0·0001 |
| Fat (g/d) | 78·43 | 1·13 | 77·78 | 1·14 | 76·74 | 1·13 | 0·56 | 79·55 | 1·12 | 78·88 | 1·12 | 74·50 | 1·11 | 0·003 | 78·59 | 1·15 | 76·36 | 1·15 | 77·99 | 1·12 | 0·38 |
| Fibre (g/d) | 16·14 | 0·35 | 17·86 | 0·35 | 19·35 | 0·35 | 0·0001 | 15·93 | 0·32 | 16·68 | 0·33 | 20·74 | 0·32 | 0·0001 | 17·97 | 0·37 | 17·99 | 0·37 | 17·38 | 0·37 | 0·41 |
| n-3 Fatty acids (g/d) | 0·19 | 0·008 | 0·20 | 0·008 | 0·18 | 0·008 | 0·06 | 0·19 | 0·008 | 0·19 | 0·008 | 0·19 | 0·008 | 0·85 | 0·17 | 0·008 | 0·19 | 0·008 | 0·21 | 0·008 | 0·02 |
| Mg (g/d) | 251·17 | 3·84 | 277·51 | 3·86 | 301·56 | 3·82 | 0·0001 | 239·02 | 3·29 | 275·23 | 3·32 | 315·97 | 3·29 | 0·0001 | 261·21 | 4·14 | 278·86 | 4·15 | 290·15 | 4·06 | 0·0001 |
| Food groups | |||||||||||||||||||||
| Grains (g/d) | 396·44 | 9·03 | 364·47 | 9·09 | 334·06 | 9·06 | 0·0001 | 387·84 | 9·12 | 367·77 | 9·20 | 339·36 | 9·11 | 0·001 | 372·09 | 9·38 | 370·91 | 9·40 | 351·97 | 9·20 | 0·22 |
| Fruits (g/d) | 282·33 | 12·06 | 346·47 | 12·13 | 375·73 | 12·02 | 0·0001 | 311·57 | 12·33 | 326·54 | 12·42 | 366·42 | 12·30 | 0·005 | 355·53 | 12·53 | 344·62 | 12·55 | 304·38 | 12·29 | 0·009 |
| Vegetables (g/d) | 291·44 | 10·17 | 346·79 | 10·23 | 407·75 | 10·13 | 0·0001 | 285·99 | 9·61 | 326·89 | 9·69 | 433·10 | 9·60 | 0·0001 | 336·81 | 11·04 | 351·38 | 11·05 | 357·79 | 10·83 | 0·38 |
| Meat (g/d) | 72·75 | 3·80 | 80·38 | 3·83 | 76·03 | 3·79 | 0·37 | 79·48 | 3·81 | 74·16 | 3·84 | 75·51 | 3·80 | 0·59 | 59·98 | 3·73 | 78·75 | 3·73 | 90·42 | 3·66 | 0·0001 |
| Dairy products (g/d) | 513·98 | 18·27 | 492·00 | 18·38 | 487·74 | 18·22 | 0·55 | 482·22 | 18·26 | 498·06 | 18·40 | 513·44 | 18·22 | 0·47 | 388·83 | 17·23 | 512·58 | 17·25 | 592·32 | 16·90 | 0·0001 |
*
Mean ± sd (only energy intake).
†
Mean ± se (other variables).
‡
All the variables, except energy, were adjusted for energy intake.
§
Calculated using ANOVA for energy intake and multivariate ANCOVA with Bonferroni correction for other dietary variables.