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Institute of Medicine (US) Standing Committee on the Scientific Evaluation of Dietary Reference Intakes and its Panel on Folate, Other B Vitamins, and Choline. Dietary Reference Intakes for Thiamin, Riboflavin, Niacin, Vitamin B6, Folate, Vitamin B12, Pantothenic Acid, Biotin, and Choline. Washington (DC): National Academies Press (US); 1998.

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

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HDietary Intake Data from the Third National Health and Nutrition Examination Survey (NHANES III), 1988–1994

TABLE H-1Dietary Thiamin Intake (mg) of Persons Aged 6 Years and Older: Mean and Selected Percentiles, United States, 1988–1994

Gender and Age (y)Number of Examined PersonsMeanStandard Error of the MeanSelected Percentiles
5th10th15th25th50th75th85th90th95th
Both, 6–81,5061.600.011.131.201.261.351.551.791.962.082.27
M, 9–131,2191.840.031.151.241.311.421.661.972.192.352.60
M, 14–189082.090.041.201.321.371.521.862.332.602.853.42
M, 19–301,9021.990.031.071.181.301.441.782.272.572.883.41
M, 31–502,5331.950.021.061.211.291.431.752.192.492.713.21
M, 51–701,9421.870.031.011.131.201.331.632.032.292.502.90
M, >701,2551.720.021.031.131.191.311.561.922.152.392.68
F, 9–131,2381.620.021.091.181.241.331.541.791.942.072.38
F, 14–189801.630.031.091.151.211.311.551.842.012.162.49
F, 19–301,9721.560.020.941.021.091.211.451.761.992.202.49
F, 31–502,9881.520.020.921.021.091.191.411.721.922.082.34
F, 51–702,0761.500.020.931.011.061.171.381.651.821.962.23
F, >701,3681.490.010.941.021.091.181.381.651.811.982.21
Pregnant F, 14–553461.810.051.071.181.251.351.682.042.262.402.96
Both, ≥6, unadjusted22,2331.720.011.001.101.181.291.561.902.152.362.73

NOTE: Data from one 24-h dietary recall have been adjusted by following methods in National Research Council. 1986. Nutrient Adequacy. Assessment Using Food Consumption Surveys. Washington, DC: National Academy Press; and Feinleib M, Rifkind B, Sempos C, Johnson C, Bachorik P, Lippel K, Carroll M, Ingster-Moore L, Murphy R. 1993. Methodological issues in the measurement of cardiovascular risk factors: Within-person variability in selected serum lipid measures—results from the Third National Health and Nutrition Survey (NHANES III). Can J Cardiol 9:87D–88D.

SOURCE: NHANES III, 1988–1994, unpublished data, C.L. Johnson and J.D. Wright, National Center for Health Statistics, Centers for Disease Control and Prevention, 1997.

TABLE H-2Total Thiamin Intake (mg) of Persons Aged 6 Years and Older: Mean and Selected Percentiles, United States, 1988–1994

Gender and Age (y)Number of Examined PersonsMeanStandard Error of the MeanSelected Percentiles
5th10th15th25th50th75th85th90th95th
Both, 6–81,6011.880.050.991.151.241.371.652.152.562.783.17
M, 9–131,2622.550.241.081.201.301.431.722.202.562.883.40
M, 14–189423.420.571.041.251.351.501.912.432.833.294.05
M, 19–301,9624.250.540.971.151.291.461.872.613.243.846.09
M, 31–502,6126.671.230.991.181.311.481.892.683.303.846.81
M, 51–702,0334.600.470.861.091.201.361.782.623.263.907.09
M, >701,3293.870.450.641.061.161.311.692.543.193.875.72
F, 9–131,2822.120.161.021.151.241.341.601.992.492.863.27
F, 14–181,0011.940.071.051.141.211.321.601.982.372.713.33
F, 19–302,0273.830.510.891.021.091.241.562.262.873.395.01
F, 31–503,0734.050.270.891.021.111.241.582.393.073.968.64
F, 51–702,1484.600.490.901.011.091.221.542.593.103.8910.76
F, >701,4445.040.960.820.981.081.211.532.643.244.1410.98
Pregnant F, 14–553545.641.381.061.271.341.562.864.324.795.126.25
Both, ≥6, unadjusted23,0704.30.26

NOTE: Data from one 24-h dietary recall have been adjusted by following methods in National Research Council. 1986. Nutrient Adequacy. Assessment Using Food Consumption Surveys. Washington, DC: National Academy Press; and Feinleib M, Rifkind B, Sempos C, Johnson C, Bachorik P, Lippel K, Carroll M, Ingster-Moore L, Murphy R. 1993. Methodological issues in the measurement of cardiovascular risk factors: Within-person variability in selected serum lipid measures—results from the Third National Health and Nutrition Survey (NHANES III). Can J Cardiol 9:87D–88D. Includes estimated intake from supplements.

SOURCE: NHANES III, 1988–1994, unpublished data, C.L. Johnson and J.D. Wright, National Center for Health Statistics, Centers for Disease Control and Prevention, 1997.

TABLE H-3Dietary Riboflavin Intake (mg) of Persons Aged 6 Years and Older: Mean and Selected Percentiles, United States, 1988–1994

Gender and Age (y)Number of Examined PersonsMeanStandard Error of the MeanSelected Percentiles
5th10th15th25th50th75th85th90th95th
Both, 6–81,5062.060.021.341.471.561.691.992.322.502.652.84
M, 9–131,2192.280.031.291.481.561.702.072.502.772.973.33
M, 14–189082.520.071.191.351.451.682.202.823.313.714.32
M, 19–301,9022.330.031.181.331.441.622.092.663.023.343.90
M, 31–502,5332.270.031.201.331.441.612.032.542.833.093.60
M, 51–701,9422.180.031.131.251.351.521.872.352.692.963.42
M, >701,2552.030.031.131.231.341.491.842.312.602.853.28
F, 9–131,2381.980.031.191.331.411.561.842.262.482.622.94
F, 14–189801.850.041.021.121.201.351.722.142.412.613.03
F, 19–301,9721.780.020.991.111.181.311.632.012.292.512.85
F, 31–502,9881.750.020.991.111.191.321.601.962.202.432.75
F, 51–702,0761.740.020.991.091.171.281.581.922.162.352.76
F, >701,3681.740.021.011.111.191.321.601.952.212.392.71
Pregnant F, 14–553462.190.081.151.261.351.521.942.412.793.303.71
Both, ≥6, unadjusted22,2332.030.011.081.201.301.451.812.272.582.813.24

NOTE: Data from one 24-h dietary recall have been adjusted by following methods in National Research Council. 1986. Nutrient Adequacy. Assessment Using Food Consumption Surveys. Washington, DC: National Academy Press; and Feinleib M, Rifkind B, Sempos C, Johnson C, Bachorik P, Lippel K, Carroll M, Ingster-Moore L, Murphy R. 1993. Methodological issues in the measurement of cardiovascular risk factors: Within-person variability in selected serum lipid measures—results from the Third National Health and Nutrition Survey (NHANES III). Can J Cardiol 9:87D–88D.

SOURCE: NHANES III, 1988–1994, unpublished data, C.L. Johnson and J.D. Wright, National Center for Health Statistics, Centers for Disease Control and Prevention, 1997.

TABLE H-4Total Riboflavin Intake (mg) of Persons Aged 6 Years and Older: Mean and Selected Percentiles, United States, 1988–1994

Gender and Age (y)Number of Examined PersonsMeanStandard Error of the MeanSelected Percentiles
5th10th15th25th50th75th85th90th95th
Both, 6–81,6012.350.051.121.361.531.712.112.683.143.433.88
M, 9–131,2623.010.241.181.411.551.712.152.733.193.554.07
M, 14–189423.830.571.031.301.421.662.252.993.644.095.19
M, 19–301,9624.600.541.081.291.421.642.213.023.734.496.54
M, 31–502,6126.931.231.121.321.451.662.173.023.814.497.10
M, 51–702,0334.420.400.951.211.341.542.032.983.744.556.62
M, >701,3293.610.360.681.161.301.491.972.963.674.406.12
F, 9–131,2822.440.151.071.301.401.571.922.513.043.423.92
F, 14–181,0012.180.070.981.101.201.361.762.342.773.143.87
F, 19–302,0273.980.500.951.091.191.351.752.553.303.945.56
F, 31–503,0734.240.270.961.121.211.371.772.753.464.368.56
F, 51–702,1484.660.470.961.091.181.351.772.963.554.508.29
F, >701,4444.700.680.861.071.171.371.773.023.724.6510.93
Pregnant F, 14–553546.201.381.181.371.481.843.215.075.516.027.19
Both, ≥6, unadjusted23,0704.50.26

NOTE: Data from one 24-h dietary recall have been adjusted by following methods in National Research Council. 1986. Nutrient Adequacy. Assessment Using Food Consumption Surveys. Washington, DC: National Academy Press; and Feinleib M, Rifkind B, Sempos C, Johnson C, Bachorik P, Lippel K, Carroll M, Ingster-Moore L, Murphy R. 1993. Methodological issues in the measurement of cardiovascular risk factors: Within-person variability in selected serum lipid measures—results from the Third National Health and Nutrition Survey (NHANES III). Can J Cardiol 9:87D–88D. Includes estimated intake from supplements.

SOURCE: NHANES III, 1988–1994, unpublished data, C.L. Johnson and J.D. Wright, National Center for Health Statistics, Centers for Disease Control and Prevention, 1997.

TABLE H-5Dietary Niacin Intake (mg) of Persons Aged 6 Years and Older: Mean and Selected Percentiles, United States, 1988–1994

Gender and Age (y)Number of Examined PersonsMeanStandard Error of the MeanSelected Percentiles
5th10th15th25th50th75th85th90th95th
Both, 6–81,50619.280.1414.8115.3315.9316.8118.6220.9022.3123.3525.27
M, 9–131,21922.320.2914.5715.6316.3317.4119.9823.3925.8628.1231.85
M, 14–1890827.010.5513.7915.7517.0118.7523.6830.7234.6339.1845.24
M, 19–301,90228.480.4315.0016.9518.2320.4225.3032.3036.4639.7545.60
M, 31–502,53327.530.2615.7917.3718.5920.7325.1231.0934.9937.6843.16
M, 51–701,94226.030.2914.3915.6716.7018.5322.5627.8631.2833.9039.57
M, >701,25523.200.2713.8415.0615.8517.3120.7925.4829.0231.6435.67
F, 9–131,23819.840.2013.7914.6815.3316.3718.7021.5623.5925.1928.19
F, 14–1898020.080.4011.9313.4114.3015.6318.8123.2026.5528.6332.64
F, 19–301,97221.480.2613.2314.2015.0016.4619.6923.9626.8928.9633.56
F, 31–502,98821.620.2413.2314.5715.4216.8919.8423.9626.5228.5932.13
F, 51–702,07620.970.2113.0414.0814.8116.0619.2022.6825.3627.0730.36
F, >701,36820.280.1812.7413.8414.5715.8218.7822.4325.0626.7630.30
Pregnant F, 14–5534623.470.7113.8414.9916.2818.1121.5526.1529.7532.1336.40
Both, ≥6, unadjusted22,23323.560.1313.7114.8715.7917.2920.6225.6029.1432.0136.78

NOTE: Data from one 24-h dietary recall have been adjusted by following methods in National Research Council. 1986. Nutrient Adequacy. Assessment Using Food Consumption Surveys. Washington, DC: National Academy Press; and Feinleib M, Rifkind B, Sempos C, Johnson C, Bachorik P, Lippel K, Carroll M, Ingster-Moore L, Murphy R. 1993. Methodological issues in the measurement of cardiovascular risk factors: Within-person variability in selected serum lipid measures—results from the Third National Health and Nutrition Survey (NHANES III). Can J Cardiol 9:87D–88D.

SOURCE: NHANES III, 1988–1994, unpublished data, C.L. Johnson and J.D. Wright, National Center for Health Statistics, Centers for Disease Control and Prevention, 1997.

TABLE H-6Total Niacin Intake (mg) of Persons Aged 6 Years and Older: Mean and Selected Percentiles, United States, 1988–1994

Gender and Age (y)Number of Examined PersonsMeanStandard Error of the MeanSelected Percentiles
5th10th15th25th50th75th85th90th95th
Both, 6–81,60122.780.5613.3214.9315.6516.9319.6224.8430.8633.7438.15
M, 9–131,26225.320.6113.4515.1316.1317.4620.4226.1531.5334.8940.38
M, 14–1894229.171.0112.1514.6116.5118.5924.0232.6138.3043.7351.87
M, 19–301,96235.421.4213.5916.4018.1120.5426.5236.4643.4550.4868.81
M, 31–502,61239.421.6614.2617.1918.6521.1627.3736.7444.5550.5969.87
M, 51–702,03336.851.3012.6815.2416.6418.9024.2635.1543.3549.4369.59
M, >701,32935.592.648.5514.0815.4217.4322.4333.2940.7746.2158.10
F, 9–131,28223.320.4812.7814.2915.2516.4919.3024.5930.2734.3839.85
F, 14–181,00122.550.6411.5813.2914.3615.7519.3525.2230.4834.7642.62
F, 19–302,02729.271.0712.5614.1715.1816.9521.0929.2638.0942.2551.99
F, 31–503,07334.241.3712.6814.6315.7317.5021.7031.8140.1046.4467.81
F, 51–702,14837.051.8612.5014.0815.0016.7021.1534.8041.5647.7877.28
F, >701,44439.146.5611.2813.2914.4516.2820.5434.4740.4046.5071.23
Pregnant F, 14–5535438.682.1314.2016.7018.2320.6733.0341.9347.2352.3060.92
Both, ≥6, unadjusted23,07033.50.64

NOTE: Data from one 24-h dietary recall have been adjusted by following methods in National Research Council. 1986. Nutrient Adequacy. Assessment Using Food Consumption Surveys. Washington, DC: National Academy Press; and Feinleib M, Rifkind B, Sempos C, Johnson C, Bachorik P, Lippel K, Carroll M, Ingster-Moore L, Murphy R. 1993. Methodological issues in the measurement of cardiovascular risk factors: Within-person variability in selected serum lipid measures—results from the Third National Health and Nutrition Survey (NHANES III). Can J Cardiol 9:87D–88D. Includes estimated intake from supplements.

SOURCE: NHANES III, 1988–1994, unpublished data, C.L. Johnson and J.D. Wright, National Center for Health Statistics, Centers for Disease Control and Prevention, 1997.

TABLE H-7Dietary Vitamin B6 Intake (mg) of Persons Aged 6 Years and Older: Mean and Selected Percentiles, United States, 1988–1994

Gender and Age (y)Number of Examined PersonsMeanStandard Error of the MeanSelected Percentiles
5th10th15th25th50th75th85th90th95th
Both, 6–81,5061.630.011.221.271.321.411.581.791.942.022.18
M, 9–131,2191.810.021.151.271.341.431.631.922.132.302.65
M, 14–189082.180.051.011.131.271.471.862.432.873.203.71
M, 19–301,9022.210.031.161.301.411.602.022.572.973.313.91
M, 31–502,5332.150.021.141.291.411.571.962.482.823.073.54
M, 51–701,9422.100.031.031.151.241.401.772.322.602.923.31
M, >701,2551.940.031.021.121.201.351.722.232.502.783.22
F, 9–131,2381.650.021.061.181.241.331.561.821.982.142.44
F, 14–189801.580.040.880.981.051.191.491.862.142.372.70
F, 19–301,9721.660.020.931.041.121.241.541.932.212.442.77
F, 31–502,9881.660.020.941.051.131.251.531.892.152.342.72
F, 51–702,0761.690.020.921.021.111.241.511.902.132.312.65
F, >701,3681.720.020.921.041.131.241.531.932.202.432.76
Pregnant F, 14–553461.930.071.031.231.311.431.762.252.542.883.63
Both, ≥6, unadjusted22,2331.870.011.001.131.211.351.652.082.402.663.09

NOTE: Data from one 24-h dietary recall have been adjusted by following methods in National Research Council. 1986. Nutrient Adequacy. Assessment Using Food Consumption Surveys. Washington, DC: National Academy Press; and Feinleib M, Rifkind B, Sempos C, Johnson C, Bachorik P, Lippel K, Carroll M, Ingster-Moore L, Murphy R. 1993. Methodological issues in the measurement of cardiovascular risk factors: Within-person variability in selected serum lipid measures—results from the Third National Health and Nutrition Survey (NHANES III). Can J Cardiol 9:87D–88D.

SOURCE: NHANES III, 1988–1994, unpublished data, C.L. Johnson and J.D. Wright, National Center for Health Statistics, Centers for Disease Control and Prevention, 1997.

TABLE H-8Total Vitamin B6 Intake (mg) of Persons Aged 6 Years and Older: Mean and Selected Percentiles, United States, 1988–1994

Gender and Age (y)Number of Examined PersonsMeanStandard Error of the MeanSelected Percentiles
5th10th15th25th50th75th85th90th95th
Both, 6–81,6012.890.951.041.231.311.431.672.152.592.803.44
M, 9–131,2622.540.241.041.231.321.431.692.142.592.903.59
M, 14–189423.510.570.881.081.221.451.892.633.203.634.98
M, 19–301,9624.520.541.051.261.401.622.132.983.854.516.81
M, 31–502,6126.901.221.061.281.421.632.163.073.844.616.75
M, 51–702,0335.200.680.931.131.231.421.973.033.954.686.66
M, >701,3293.820.400.681.051.161.361.872.923.914.416.25
F, 9–131,2822.170.150.921.141.231.351.622.062.562.963.62
F, 14–181,0012.070.130.840.971.061.191.532.072.552.943.95
F, 19–302,0274.250.520.901.031.131.301.682.513.534.297.80
F, 31–503,0734.910.380.921.061.161.321.732.803.724.7410.88
F, 51–702,1485.200.540.891.031.141.291.753.174.014.797.50
F, >701,4444.680.590.811.001.121.291.773.204.104.747.23
Pregnant F, 14–553548.771.451.031.311.411.673.7211.2511.9212.3221.01
Both, ≥6, unadjusted23,0704.70.25

NOTE: Data from one 24-h dietary recall have been adjusted by following methods in National Research Council. 1986. Nutrient Adequacy. Assessment Using Food Consumption Surveys. Washington, DC: National Academy Press; and Feinleib M, Rifkind B, Sempos C, Johnson C, Bachorik P, Lippel K, Carroll M, Ingster-Moore L, Murphy R. 1993. Methodological issues in the measurement of cardiovascular risk factors: Within-person variability in selected serum lipid measures—results from the Third National Health and Nutrition Survey (NHANES III). Can J Cardiol 9:87D–88D. Includes estimated intake from supplements.

SOURCE: NHANES III, 1988–1994, unpublished data, C.L. Johnson and J.D. Wright, National Center for Health Statistics, Centers for Disease Control and Prevention, 1997.

TABLE H-9Dietary Folate Intake (μg) of Persons Aged 6 Years and Older: Mean and Selected Percentiles, United States, 1988–1994

Gender and Age (y)Number of Examined PersonsMeanStandard Error of the MeanSelected Percentiles
5th10th15th25th50th75th85th90th95th
Both, 6–81,5062582.8169178188204244295323351400
M, 9–131,2192784.0170181190204255322368399471
M, 14–189083067.0157171181204274368429477551
M, 19–301,9023135.1163183194219277366430483564
M, 31–502,5333174.1166185199225282365436477552
M, 51–701,9423224.9165183197222285366437505625
M, >701,2553025.4163178192213269348405443542
F, 9–131,2382533.7156169176191234285330350416
F, 14–189802394.4140150159170212283323348420
F, 19–301,9722543.6145157166183223289338386497
F, 31–502,9882553.0147160170189226287334374438
F, 51–702,0762693.6152165175196246305357398454
F, >701,3682754.2152166178200252322368410474
Pregnant F, 14–553462889.2155171181205258336381431543
Both, ≥6, unadjusted22,2332831.2154168180200252326381429513

NOTE: Data from one 24-h dietary recall have been adjusted by following methods in National Research Council. 1986. Nutrient Adequacy. Assessment Using Food Consumption Surveys. Washington, DC: National Academy Press; and Feinleib M, Rifkind B, Sempos C, Johnson C, Bachorik P, Lippel K, Carroll M, Ingster-Moore L, Murphy R. 1993. Methodological issues in the measurement of cardiovascular risk factors: Within-person variability in selected serum lipid measures—results from the Third National Health and Nutrition Survey (NHANES III). Can J Cardiol 9:87D–88D.

SOURCE: NHANES III, 1988–1994, unpublished data, C.L. Johnson and J.D. Wright, National Center for Health Statistics, Centers for Disease Control and Prevention, 1997.

TABLE H-10Total Folate Intake (μg) of Persons Aged 6 Years and Older: Mean and Selected Percentiles, United States, 1988–1994

Gender and Age (y)Number of Examined PersonsMeanStandard Error of the MeanSelected Percentiles
5th10th15th25th50th75th85th90th95th
Both, 6–81,6013366.6151176191215282460542602673
M, 9–131,2623377.8163181192215290415514584674
M, 14–189423309.1140166177204285399479573730
M, 19–301,96240715.1147178191223299471621701893
M, 31–502,61241010.1157185203235317496647728922
M, 51–702,03342911.0152180199231330590689759939
M, >701,3293879.3147175193224310552657700805
F, 9–131,2823167.0148169178197258394530589669
F, 14–181,0012797.6135148158172224321402507625
F, 19–302,02736914.5144158170194256453606680909
F, 31–503,0734069.7147163178199272554660748983
F, 51–702,14841310.6146166181212298584660723849
F, >701,44438412.2143165179209291561653701792
Pregnant F, 14–5535485840.91511942262989661,2381,3061,3661,671
Both, ≥6, unadjusted23,0703933.4146168184210292500635708886

NOTE: Total intake estimated as intake from food and from supplements. Data from one 24-h dietary recall have been adjusted by following methods in National Research Council. 1986. Nutrient Adequacy. Assessment Using Food Consumption Surveys. Washington, DC: National Academy Press; and Feinleib M, Rifkind B, Sempos C, Johnson C, Bachorik P, Lippel K, Carroll M, Ingster-Moore L, Murphy R. 1993. Methodological issues in the measurement of cardiovascular risk factors: Within-person variability in selected serum lipid measures—results from the Third National Health and Nutrition Survey (NHANES III). Can J Cardiol 9:87D–88D. Includes estimated intake from supplements.

SOURCE: NHANES III, 1988–1994, unpublished data, C.L. Johnson and J.D. Wright, National Center for Health Statistics, Centers for Disease Control and Prevention, 1997.

TABLE H-11Dietary Vitamin B12 Intake (μg) of Persons Aged 6 Years and Older: Mean and Selected Percentiles, United States, 1988–1994

Gender and Age (y)Number of Examined PersonsMeanStandard Error of the MeanSelected Percentiles
5th10th15th25th50th75th85th90th95th
Both, 6–81,5064.090.072.572.832.923.173.784.655.095.816.48
M, 9–131,2195.030.162.783.013.193.604.455.456.226.948.23
M, 14–189096.280.253.103.373.634.055.146.788.178.8112.36
M, 19–301,9025.650.084.424.554.664.815.225.826.286.707.56
M, 31–502,5335.580.064.484.594.684.815.205.766.166.557.37
M, 51–701,9425.430.044.464.554.624.775.105.656.096.417.26
M, >701,2555.300.064.454.524.604.694.995.385.816.096.81
F, 9–131,2384.300.112.492.712.873.143.874.845.576.127.07
F, 14–189804.430.112.632.742.953.264.064.975.516.137.12
F, 19–301,9725.000.054.274.364.434.534.775.175.465.706.23
F, 31–502,9885.090.034.384.454.504.604.845.195.445.666.18
F, 51–702,0765.050.054.364.444.494.584.805.145.395.596.10
F, >701,3684.960.054.374.424.454.534.745.055.315.545.99
Pregnant F, 14–553465.300.184.274.444.514.705.055.485.766.247.01
Both, ≥6, unadjusted22,2345.180.023.324.044.384.554.895.415.826.227.15

NOTE: Data from one 24-h dietary recall have been adjusted by following methods in National Research Council. 1986. Nutrient Adequacy. Assessment Using Food Consumption Surveys. Washington, DC: National Academy Press; and Feinleib M, Rifkind B, Sempos C, Johnson C, Bachorik P, Lippel K, Carroll M, Ingster-Moore L, Murphy R. 1993. Methodological issues in the measurement of cardiovascular risk factors: Within-person variability in selected serum lipid measures—results from the Third National Health and Nutrition Survey (NHANES III). Can J Cardiol 9:87D–88D.

SOURCE: NHANES III, 1988–1994, unpublished data, C.L. Johnson and J.D. Wright, National Center for Health Statistics, Centers for Disease Control and Prevention, 1997.

TABLE H-12Total Vitamin B12 Intake (μg) of Persons Aged 6 Years and Older: Mean and Selected Percentiles, United States, 1988–1994

Gender and Age (y)Number of Examined PersonsMeanStandard Error of the MeanSelected Percentiles
5th10th15th25th50th75th85th90th95th
Both, 6–81,6015.330.112.342.792.943.394.487.348.388.969.86
M, 9–131,2628.912.002.773.063.253.754.956.938.549.7212.13
M, 14–1894210.532.402.833.183.534.095.308.039.6312.0918.07
M, 19–301,96212.003.114.344.524.664.875.407.0910.8413.1723.27
M, 31–502,61216.965.064.394.574.704.875.457.7611.4114.2134.97
M, 51–702,03316.432.964.424.554.664.855.489.9511.4814.0523.30
M, >701,32910.491.494.374.514.614.735.1910.2311.2213.5419.69
F, 9–131,2825.520.192.412.692.903.304.346.838.549.4611.55
F, 14–181,0017.061.902.572.723.003.404.315.606.948.7510.66
F, 19–302,0279.571.074.164.364.464.615.048.1310.8913.4418.52
F, 31–503,07313.961.434.394.494.564.735.2010.5311.6916.8336.01
F, 51–702,14813.511.514.344.454.524.665.1210.5811.5516.4335.12
F, >701,44414.362.404.344.424.484.604.9710.3811.1813.8534.32
Pregnant F, 14–5535413.161.234.384.524.775.359.5016.9117.4918.8536.78
Both, ≥6, unadjusted23,07012.520.853.054.064.424.645.218.2411.0213.4426.62

NOTE: Data from one 24-h dietary recall have been adjusted by following methods in National Research Council. 1986. Nutrient Adequacy. Assessment Using Food Consumption Surveys. Washington, DC: National Academy Press; and Feinleib M, Rifkind B, Sempos C, Johnson C, Bachorik P, Lippel K, Carroll M, Ingster-Moore L, Murphy R. 1993. Methodological issues in the measurement of cardiovascular risk factors: Within-person variability in selected serum lipid measures—results from the Third National Health and Nutrition Survey (NHANES III). Can J Cardiol 9:87D–88D. Includes estimated intake from supplements.

SOURCE: NHANES III, 1988–1994, unpublished data, C.L. Johnson and J.D. Wright, National Center for Health Statistics, Centers for Disease Control and Prevention, 1997.

Copyright © 1998, National Academy of Sciences.
Bookshelf ID: NBK114319

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