Table 4.

Baseline and changes in food group consumption and dietary quality at 6 and 18 months

Variables	Mos.	Unadjusted Mean(SD)				Parameter Estimates (β)
		MD-C/PT-C	MD-C/PT-I	MD-I/PT-C	MD-I/PT-I	MD-I vs. MD-C	PT-I vs. PT-C
Fruits and fruit juices, serv (DASH and HIP guideline: 4–6 servings/d)a
	Bb	1.3(0.9)	1.3(1)	1.3(0.9)	1.4(1.1)	0.005	0.09
	6	0.02(0.9)	0.6(1.3)	0.1(0.7)	1(1.3)	0.21*	0.78**
	18	−0.02(0.9)	0.4(1.1)	0.01(0.8)	0.5(1.2)	0.06	0.53**
Vegetables, serv (DASH and HIP guideline: 4–6 servings/d)
	B	2.9(1.9)	3(2.2)	2.8(1.6)	3.1(2.4)	−0.12	0.23
	6	0.1(1.7)	0.5(2.4)	0.2(1.6)	1(2.5)	0.25	0.75**
	18	0.3(2.5)	0.03(1.8)	0.04(1.8)	0.3(2.5)	−0.09	0.07
Whole grains, serv
	B	1.7(1.6)	1.4(1.2)	1.5(1.1)	1.3(1)	−0.15	−0.21
	6	−0.02(1.4)	0(1.3)	0.1(1.1)	0.3(1.3)	0.12	−0.01
	18	−0.03(1.6)	−0.1(1.3)	0.1(1.3)	0.1(1.2)	0.12	−0.17
Dairy, serv (DASH and HIP guideline: 2–3 servings/d)
	B	1(0.9)	0.9(0.8)	0.9(0.9)	0.9(0.8)	−0.09	−0.01
	6	−0.04(0.7)	0.1(0.6)	0.02(0.5)	0.2(0.7)	0.07	0.16*
	18	−0.1(0.8)	−0.01(0.6)	0.1(0.5)	0.03(0.7)	0.05	−0.003
Added Fats/oils/sweets, serv (DASH and HIP guideline: ≤ 3 servings/d)
	B	2.9(1.5)	2.8(1.6)	2.8(1.4)	3(1.7)	0.06	0.09
	6	−0.4(1.2)	−0.6(1.4)	−0.2(1.3)	−0.9(1.4)	0.06	−0.45**
	18	−0.1(1.5)	−0.2(1.4)	−0.1(1.4)	−0.6(1.6)	−0.16	−0.28*
Daily Glycemic Loadc
	B	102(49.1)	96.9(50.9)	89.9(35.8)	106(51.3)	−2.45	5.28
	6	−11.6(41.8)	−12.9(35.5)	−2.7(28.5)	−12.3(43.6)	3.68	−3.1
	18	−11.5(45.2)	−6.4(34.5)	−3.4(32.1)	−13(45)	0.03	−0.2
Daily Glycemic Index
	B	53.8(4.3)	53.5(4.2)	54(4)	53.5(4.2)	0.25	−0.56
	6	0.01(3.6)	−0.6(4.4)	−0.03(3.3)	−0.6(4.1)	0.04	−0.84*
	18	−0.3(3.7)	−0.5(4.5)	−0.5(3.3)	−0.5(3.6)	0.08	−0.43
HEI Score
	B	60.9(11.7)	59.6(12.1)	60.8(12.2)	61.3(12.8)	1.01	−0.14
	6	−0.2(9.4)	5(12.2)	0.9(10.5)	8.9(11.5)	2.64*	6.75**
	18	−1.6(10.4)	3.7(10.8)	−0.03(10.4)	4.6(11.6)	1.46	4.91**
DASH score
	B	3.37(1.24)	3.34(1.26)	3.21(1.36)	3.41(1.38)	−0.05	0.09
	6	−0.04(1.09)	0.41(1.45)	0.06(1.20)	0.68(1.29)	0.19	0.54***
	18	0.03(1.37)	0.16(1.12)	0.07(1.21)	0.27(1.40)	0.07	0.16

^aDASH guidelines published by National Heart Lung and Blood Institute or HIP guidelines are included in parentheses,

^bB=baseline.

^cBased on glucose scale.

^*p<0.05,

^**p<0.001,

^***p<0.0001, all models were adjusted for cohort, baseline nutrient intake, age, BMI, gender and race.