. Author manuscript; available in PMC: 2010 Jul 20.

Published in final edited form as: J Am Diet Assoc. 2009 May;109(5):814–822. doi: 10.1016/j.jada.2009.02.002

Table 3.

Mean energy & nutrient intake and diet cost by tertile of dietary energy cost for women and men. Diets excluding beverages.

Women	Lowest Tertile (n=34)		Middle Tertile (n=35)		Highest Tertile (n=34)		Trend Test P^a
Nutrient	Mean	SD	Mean	SD	Mean	SD	Trend Test P^a
Dietary Energy Cost ($/2000kcal)	6.35	0.43	7.94	0.53	10.09	6.35	<0.001
Dietary Energy Density (kcal/g)	1.60	0.27	1.33	0.22	1.12	1.60	<0.001
Energy (kcal)	1594	562	1545	529	1490	1594	0.423
Total Fat (g)	65.8	26.7	60.8	24.6	54.2	65.8	0.056
Total Saturated Fatty Acids (g)	20.7	9.0	19.2	8.3	16.4	20.7	0.034
Total Dietary Fiber (g)	18.5	8.3	21.3	8.9	23.8	18.5	0.016
Added Sugars (g)	50.9	27.8	45.1	27.2	39.6	50.9	0.060
Vitamin A (IU)	7592	5578	14487	10538	19426	7592	<0.001
Vitamin C (mg)	64	33	102	40	132	64	<0.001
Calcium (mg)	661	285	738	316	738	661	0.302
Iron (mg)	12	5	14	7	14	12	0.219
Potassium (mg)	1997	705	2340	843	2684	1997	0.001
Men	Lowest Tertile (n=20)		Middle Tertile (n=21)		Highest Tertile (n=20)		Trend Test P^a
Nutrient	Mean	SD	Mean	SD	Mean	SD	Trend Test P^a

Dietary Energy Cost ($/2000kcal)	5.96	0.53	7.42	0.45	8.90	0.67	<0.001
Dietary Energy Density (kcal/g)	1.58	0.29	1.51	0.39	1.35	0.18	0.017
Energy (kcal)	1781	717	1742	610	1897	686	0.588
Total Fat (g)	73.3	38.5	65.7	28.4	71.6	23.0	0.862
Total Saturated Fatty Acids (g)	22.7	11.7	20.9	9.6	21.5	6.8	0.698
Total Dietary Fiber (g)	20.6	7.0	21.9	8.9	28.5	14.5	0.022
Added Sugars (g)	44.7	31.8	49.9	30.1	53.6	29.3	0.361
Vitamin A (IU)	9138	7259	11606	9948	13726	7943	0.093
Vitamin C (mg)	67	28	79	33	130	60	<0.001
Calcium (mg)	805	410	733	308	843	393	0.743
Iron (mg)	16	8	16	6	18	8	0.358
Potassium (mg)	2192	808	2257	867	2932	1189	0.019

Significance based on test of linear change in mean across tertiles of dietary energy cost.