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Dietary Reference Intakes for Thiamin, Riboflavin, Niacin, Vitamin B6, Folate, Vitamin B12, Pantothenic Acid, Biotin, and Choline (1998)

Chapter: F Dietary Intake Data from the Boston Nutritional Status Survey, 1981–1984

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Previous Chapter: E Methodological Problems Associated with Laboratory Values and Food Composition Data for B Vitamins

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Suggested Citation: "F Dietary Intake Data from the Boston Nutritional Status Survey, 1981–1984." Institute of Medicine. 1998. Dietary Reference Intakes for Thiamin, Riboflavin, Niacin, Vitamin B6, Folate, Vitamin B12, Pantothenic Acid, Biotin, and Choline. Washington, DC: The National Academies Press. doi: 10.17226/6015.

F
Dietary Intake Data from the Boston Nutritional Status Survey, 1981–1984

TABLE F-1 Dietary Intake of B Vitamins in Free-Living Older Adults (aged ≥ 60 y) Who Were Not Taking Vitamin Supplements, Boston Nutritional Status Survey, 1981–1984

Intake of B Vitamins by Gender	Dietary Intake
Intake of B Vitamins by Gender	Sample Size	Mean	Standard Deviation	5th Percentile
Thiamin (mg)
Males	168	1.5	0.5	0.9
Females	283	1.2	0.4	0.7
Riboflavin (mg)
Males	169	2.0	0.7	1.0
Females	283	1.6	0.6	0.8
Niacin (mg)
Males	168	21.6	6.7	12.5
Females	283	17.9	5.9	10.3
Vitamin B₆ (mg)
Males	170	1.3	0.6	0.6
Females	281	1.1	0.4	0.5
Folate (µg)
Males	189	273	121	119
Females	344	231	94	116
Vitamin B₁₂ (µg)
Males	171	4.7	4.4	1.5
Females	280	4.0	4.9	1.0
SOURCE: Adapted from Appendixes C.5.21–C.5.26 in Hartz SC, Russell RM, Rosenberg IH. 1992. Nutrition in the Elderly. The Boston Nutritional Status Survey. London: Smith-Gordon.

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10th Percentile	25th Percentile	50th Percentile	75th Percentile	90th Percentile	95th Percentile
1.0	1.2	1.4	1.8	2.2	2.5
0.8	0.9	1.1	1.3	1.7	1.9
1.2	1.5	1.9	2.4	2.9	3.4
1.0	1.2	1.5	1.8	2.3	2.8
13.8	16.0	21.0	25.4	30.1	33.5
11.2	14.3	16.9	20.5	26.2	28.7
0.7	0.8	1.2	1.6	2.1	2.4
0.6	0.7	1.0	1.3	1.6	1.8
139	196	254	328	425	528
140	167	208	272	356	428
1.7	2.4	3.4	5.8	8.4	10.9
1.2	1.8	2.6	3.8	7.6	12.9

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TABLE F-2 Intake of B Vitamins in Free-Living Older Adults (aged ≥ 60 y) Who Were Taking Vitamin Supplements, Boston Nutritional Status Survey, 1981–1984

	Sample Size	Mean	Standard Deviation	5th Percentile
Thiamin (mg)
Males
Dietary intake	69	1.5	0.5	0.9
Supplement intake	69	9.5	18.3	0.5
Total intake	69	11.0	18.3	1.7
Females
Dietary intake	166	1.2	0.5	0.7
Supplement intake	166	11.7	24.4	0.5
Total intake	166	13.0	24.5	1.6
Riboflavin (mg)
Males
Dietary intake	68	2.0	0.9	1.2
Supplement intake	68	5.5	9.9	0.4
Total intake	68	7.5	9.8	1.8
Females
Dietary intake	166	1.6	0.6	0.9
Supplement intake	166	10.0	21.8	0.5
Total intake	166	11.6	21.8	2.0
Vitamin B₆ (mg)
Males
Dietary intake	67	1.5	0.7	0.6
Supplement intake	67	9.8	21.3	0.3
Total intake	67	11.3	21.2	1.6
Females
Dietary intake	168	1.2	0.6	0.4
Supplement intake	168	18.9	58.8	0.7
Total intake	168	20.1	58.9	1.7
Niacin (mg)
Males
Dietary intake	69	22.5	7.4	11.3
Supplement intake	69	46.7	73.5	1.2
Total intake	69	69.2	75.4	22.3
Females
Dietary intake	166	17.9	6.2	10.0
Supplement intake	166	60.3	75.6	5.3
Total intake	166	78.2	75.8	23.7

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10th Percentile	25th Percentile	50th Percentile	75th Percentile	90th Percentile	95th Percentile
1.0	1.2	1.5	1.7	2.1	2.6
0.5	1.2	2.4	10.0	20.0	55.0
1.9	2.7	4.2	11.5	22.1	55.9
0.8	0.9	1.1	1.4	1.9	2.3
1.0	1.2	3.2	10.0	30.0	55.0
1.9	2.6	4.4	11.4	31.1	56.0
1.2	1.5	2.0	2.3	2.7	3.3
0.6	1.4	1.9	7.4	10.5	15.0
2.1	3.2	4.4	9.9	13.0	17.1
1.1	1.2	1.5	1.8	2.4	2.6
1.0	1.4	2.9	10.0	20.0	34.5
2.4	2.9	5.2	11.5	21.5	35.3
0.8	1.0	1.3	1.9	2.3	2.8
0.7	2.0	2.2	5.0	31.3	50.0
2.4	3.1	4.3	6.1	31.9	51.9
0.6	0.8	1.0	1.5	2.0	2.2
0.8	2.0	2.2	5.0	50.0	55.3
2.1	2.8	4.1	7.2	51.2	57.2
13.7	18.0	21.6	25.9	29.9	39.1
6.7	16.0	20.0	51.8	100.0	100.0
25.3	35.9	48.8	74.4	121.4	137.5
10.9	13.3	16.4	22.2	25.8	28.7
11.5	16.0	30.0	100.0	120.0	160.0
26.5	31.9	48.1	111.5	132.3	178.7

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	Sample Size	Mean	Standard Deviation	5th Percentile
Vitamin B₁₂ (µg)
Males
Dietary intake	66	5.4	6.3	1.5
Supplement intake	66	17.4	52.0	1.5
Total intake	66	22.8	52.4	3.9
Females
Dietary intake	169	3.7	3.7	1.1
Supplement intake	169	31.0	105.5	1.5
Total intake	169	34.7	105.8	4.1
Folate (µg)
Males
Dietary intake	48	296	152	140
Supplement intake	48	586	645	120
Total intake	48	882	696	312
Females
Dietary intake	105	260	120	121
Supplement intake	105	484	517	120
Total intake	105	744	567	311
SOURCE: Adapted from Appendixes C.5.21–C.5.26 in Hartz SC, Russell RM, Rosenberg IH. 1992. Nutrition in the Elderly. The Boston Nutritional Status Survey. London: Smith-Gordon.

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10th Percentile	25th Percentile	50th Percentile	75th Percentile	90th Percentile	95th Percentile
1.8	2.3	3.6	6.7	10.5	11.8
1.7	3.0	5.0	7.0	24.0	77.0
4.1	6.8	9.7	15.1	71.8	83.1
1.3	1.9	2.7	4.0	6.2	8.7
2.3	3.0	6.0	12.0	66.7	100.0
4.8	6.2	9.0	14.9	70.0	106.3
158	199	259	327	474	640
133	300	400	400	1,400	2,400
385	581	666	918	1,569	2,667
137	178	238	316	410	520
133	267	400	400	800	1,000
340	530	628	809	1,105	1,349