Table 6.
Percentages of women classified into the same and opposite tertiles of intake (according to the FFQ and the 4 d food diary) and weighted kappa values (κ w): pregnant women between 12 and 29 weeks’ gestation, Edinburgh, UK
| Obese (n 31) | Lean (n 32) | |||||||
|---|---|---|---|---|---|---|---|---|
| % classified in | % classified in | |||||||
| Nutrient | Same tertile | Opposite tertiles | κ w | P value | Same tertile | Opposite tertiles | κ w | P value |
| Energy (kJ) | 45 | 10 | 0·468 | 0·044 | 50 | 12 | 0·560 | 0·013 |
| Protein (g) | 42 | 10 | 0·471 | 0·043 | 53 | 3 | 0·743 | <0·001 |
| Fat (g) | 61 | 6 | 0·687 | 0·001 | 50 | 12 | 0·559 | 0·013 |
| Carbohydrate (g) | 52 | 19 | 0·373 | 0·103 | 44 | 16 | 0·321 | 0·143 |
| SFA (g) | 64 | 3 | 0·789 | <0·001 | 53 | 3 | 0·744 | <0·001 |
| MUFA (g) | 55 | 3 | 0·721 | <0·001 | 38 | 16 | 0·361 | 0·109 |
| PUFA (g) | 48 | 6 | 0·552 | 0·016 | 50 | 9 | 0·634 | 0·003 |
| Cholesterol (mg) | 45 | 13 | 0·483 | 0·038 | 50 | 6 | 0·674 | 0·001 |
| Sugars (g) | 48 | 10 | 0·520 | 0·024 | 31 | 16 | 0·282 | 0·180 |
| Starch (g) | 58 | 13 | 0·527 | 0·022 | 47 | 12 | 0·498 | 0·030 |
| Fibre (g) | 26 | 13 | −0·039 | 0·541 | 50 | 12 | 0·548 | 0·015 |
| Na (mg) | 48 | 10 | 0·560 | 0·014 | 41 | 6 | 0·589 | 0·008 |
| K (mg) | 58 | 16 | 0·498 | 0·032 | 47 | 9 | 0·550 | 0·015 |
| Ca (mg) | 45 | 13 | 0·508 | 0·028 | 56 | 0 | 0·775 | <0·001 |
| Mg (mg) | 42 | 13 | 0·409 | 0·078 | 53 | 9 | 0·578 | 0·009 |
| P (mg) | 55 | 13 | 0·586 | 0·009 | 47 | 3 | 0·675 | 0·001 |
| Fe (mg) | 32 | 13 | 0·269 | 0·198 | 50 | 6 | 0·626 | 0·004 |
| Cu (mg) | 45 | 19 | 0·201 | 0·272 | 34 | 16 | 0·003 | 0·496 |
| Zn (mg) | 45 | 13 | 0·465 | 0·046 | 62 | 3 | 0·765 | <0·001 |
| Cl (mg) | 55 | 6 | 0·713 | <0·001 | 41 | 9 | 0·471 | 0·041 |
| Mn (mg) | 61 | 13 | 0·539 | 0·019 | 56 | 22 | 0·645 | 0·003 |
| Se (μg) | 55 | 13 | 0·481 | 0·039 | 38 | 22 | 0·163 | 0·311 |
| Iodine (μg) | 52 | 6 | 0·636 | 0·004 | 53 | 9 | 0·649 | 0·002 |
| Retinol (μg) | 61 | 10 | 0·673 | 0·002 | 56 | 3 | 0·660 | 0·002 |
| β-Carotene equivalents (μg) | 35 | 13 | 0·306 | 0·161 | 44 | 12 | 0·467 | 0·043 |
| Vitamin D (μg) | 39 | 16 | 0·093 | 0·395 | 47 | 16 | 0·426 | 0·064 |
| Vitamin E (mg) | 35 | 16 | 0·247 | 0·221 | 41 | 12 | 0·435 | 0·059 |
| Thiamin (mg) | 48 | 22 | 0·226 | 0·244 | 44 | 9 | 0·500 | 0·029 |
| Riboflavin (mg) | 48 | 16 | 0·409 | 0·078 | 41 | 9 | 0·421 | 0·067 |
| Niacin (mg) | 48 | 39 | 0·250 | 0·217 | 53 | 6 | 0·656 | 0·002 |
| Vitamin B6 (mg) | 58 | 13 | 0·566 | 0·013 | 56 | 6 | 0·708 | <0·001 |
| Vitamin B12 (μg) | 35 | 10 | 0·408 | 0·078 | 38 | 22 | 0·163 | 0·311 |
| Folic acid (μg) | 45 | 16 | 0·215 | 0·255 | 47 | 9 | 0·586 | 0·008 |
| Pantothenic acid (mg) | 48 | 16 | 0·472 | 0·043 | 41 | 6 | 0·487 | 0·034 |
| Biotin (μg) | 52 | 10 | 0·543 | 0·018 | 50 | 9 | 0·568 | 0·011 |
| Vitamin C (mg) | 58 | 13 | 0·595 | 0·008 | 50 | 9 | 0·566 | 0·011 |