Table 5. Total fat and trans fatty acid intake of 225 Japanese subjects according to age group.

	Women (n = 119)									Men (n = 106)
	30–39 years (n = 27)		40–49 years (n = 29)		50–59 years (n = 32)		60–69 years (n = 31)		P e	30–39 years (n = 20)		40–49 years (n = 29)		50–59 years (n = 28)		60–69 years (n = 29)		P e
	Mean	SD	Mean	SD	Mean	SD	Mean	SD		Mean	SD	Mean	SD	Mean	SD	Mean	SD
Total energy
(kcal/day)	1879	384	1816	289	1849	215	1847	270	0.82	2241	303	2454	450	2454	382	2302	360	0.85
Total fat
(g/day)	60.6a	13.1	58.8a,b	12.4	55.0a,b	9.6	54.0b	9.3	0.01	68.5a	10.4	69.3a	14.1	69.4a	12.7	60.8a	9.5	0.02
(% total energy)	29.1a	2.9	29.0a,b	2.9	26.7a,b	3.1	26.7b	3.1	<0.001	27.5a	2.1	25.6b,c,d	4.1	25.6b,c,d	3.7	23.9b,c,d	2.7	<0.001
Trans fatty acid
(g/day)	2.1a,b,c	0.8	1.9a,b,c	0.8	1.7a,b,c	0.6	1.2d	0.4	<0.001	1.9a,b,c	0.5	1.9a,b,c	0.7	1.7a,b,c	0.6	1.4d	0.5	0.001
(% total energy)	1.0a,b	0.3	0.9a,b,c	0.3	0.8b,c	0.2	0.6c,d	0.2	<0.001	0.8a,b	0.2	0.7a,b,c	0.2	0.6b,c	0.2	0.6c,d	0.2	<0.001
(% fat)	3.4a,b,c	1.0	3.2a,b,c	0.8	3.0a,b,c	0.8	2.2d	0.6	<0.001	2.8a,b,c	0.6	2.7a,b,c	0.7	2.4a,b,c	0.6	2.4d	0.8	0.007

Abbreviation: SD = standard deviation.

^a,b,c,dValues in the same row, but with different superscripts, are significantly different: P < 0.05 (Tukey multiple comparison test).

^eDifferences between age groups were tested by analysis of variance.