Table 3.
Baseline and follow-up dietary data in the SDHS, for 426 participants with baseline and at least one follow-up diet record
Nutrient | Baseline* | Follow-up† | P | |||||
---|---|---|---|---|---|---|---|---|
Control (n=221) | Intervention (n=205) | Control (n=221) | Change from baseline | Intervention (n=205) | Change from baseline | |||
PUFA‡ | 6.2 (3.2-9.2) | 6.1 (3.0-9.2) | 8.4 (6.7-10.9) | +2.2 | 15.4 (12.3-17.9) | +9.3§ | <0.001 | |
SFA‡ | 15.6 (13.0-18.7) | 16.2 (13.4-19.3) | 13.5 (11.4-15.6) | −2.1 | 9.3 (8.2-10.9) | −6.9 | <0.001 | |
PUFA:SFA ratio | 0.41 (0.18-0.68) | 0.38 (0.16-0.65) | 0.63 (0.45-0.92) | +0.22 | 1.72 (1.31-2.08) | +1.34 | <0.001 | |
MUFA‡ | 14.7 (12.8-16.9) | 14.6 (13.2-16.5) | 14.0 (12.3-15.2) | −0.7 | 11.2 (10.1-12.7) | −3.4 | <0.001 | |
Total fat‡ | 39.2 (35.0-43.5) | 40.2 (36.6-43.4) | 38.1 (34.3-41.2) | −1.1 | 38.3 (36.1-46.3) | −1.9 | 0.87 | |
Carbohydrate‡ | 40.5 (37.0-45.2) | 39.9 (35.2-46.1) | 40.6 (35.6-44.8) | +0.1 | 41.3 (36.1-46.3) | +1.4 | 0.31 | |
Protein‡ | 14.1 (12.4-16.3) | 14.4 (12.6-16.5) | 15.3 (13.4-17.3) | +1.2 | 14.8 (13.4-16.8) | +0.4 | 0.25 | |
Alcohol‡ | 2.3 (0.0-8.1) | 2.4 (0.0-8.9) | 4.0 (0.9-8.7) | +1.7 | 3.1 (0.7-8.9) | +0.7 | 0.42 | |
Energy (kcal/day; 1 kcal=4.18 kJ) | 2384 (2072-2770) | 2423 (1972-2860) | 2194 (1804-2524) | −190 | 2256 (1958-2574) | −167 | 0.07 | |
Cholesterol (mg/day) | 439 (344-593) | 477 (355-621) | 331 (269-408) | −108 | 238 (203-283) | −239 | <0.001 |
*Data are median (interquartile range) from a single seven day food record administered before randomization.
†Data are median summaries (interquartile range), with each participant assigned one value based on the average of their seven day food records after randomization. Comparisons between diets were calculated with the Mann Whitney U test.
‡Data are percentage of food energy.
§From safflower oil.