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Blackwell E, de Leon CF, Miller GE. Applying mixed regression models to the analysis of repeated-measures data in psychosomatic medicine. Psychosom Med. 2006;68:870?. 80. Heckman JJ. Sample selection bias as a specification error. Econometrica. 1979;47:153?1. 81. Beydoun MA, Boueiz A, Abougergi MS, Kitner-Triolo MH, Beydoun HA, Resnick SM, O’Brien R, Zonderman AB. Sex differences in the association of the apolipoprotein E epsilon 4 allele with incidence of dementia, cognitive impairment, and decline. Neurobiol Aging. 2012; 33:720?1. 82. Selvin S. Statistical analysis of epidemiologic data. 3rd ed. Oxford (United Kingdom): Oxford.2005. J Am Diet Assoc. 2008;108:1896?01. 61. U.S. Department of Agriculture (USDA). Healthy Eating Index 2005 [cited 2007 March 20]. Available from: http://www.cnpp.usda.gov/ Publications/HEI/healthyeatingindex2005factsheet.pdf. 62. McCullough ML, Feskanich D, Rimm EB, Giovannucci EL, Ascherio A, Variyam JN, Spiegelman D, Stampfer MJ, Willett WC. Adherence to the Dietary Guidelines for Americans and risk of major chronic disease in men. Am J Clin Nutr. 2000;72:1223?1. 63. Shock N, Greulich RC, Andres R, Arenberg D, Costa PT, Lakatta EG, Tobin JD. Normal human aging: the Baltimore Longitudinal Study of Aging. Washington: U.S. Government Printing Office; 1984. 64. Zonderman AB, Giambra LM, Arenberg D, Resnick SM, Costa PT Jr., Kawas CH. Changes in immediate visual memory predict cognitive impairment. Arch Clin Neuropsychol. 1995;10:111?3. 65. McGandy RB, Barrows CH Jr., Spanias A, Meredith A, Stone JL, Norris AH. Nutrient intakes and energy expenditure in men of different ages. J Gerontol. 1966;21:581?. 66. Elahi VK, Elahi D, Andres R, Tobin JD, Butler MG, Norris AH. A longitudinal study of nutritional intake in men. J Gerontol. 1983;38: 162?0. 67. Hallfrisch J, Muller D, Drinkwater D, Tobin J, Andres R. Continuing diet trends in men: the Baltimore Longitudinal Study of Aging (1961?1987). J Gerontol. 1990;45:M186?1. 68. U.S. Department of Agriculture (USDA), Agriculture Research Service FSRG. Food and Nutrient Database for Dietary Studies, 3.0 [database on the Internet]. Available from: http://www.ars.usda.gov/Services/docs. htm?docid=17031. 69. Schroder H, Vila J, Marrugat J, Covas MI. Low energy density diets are ?associated with favorable nutrient intake profile and adequacy in freeliving elderly men and women. J Nutr. 2008;138:1476?1. 70. Folstein MF, Folstein SE, McHugh PR. “Mini-mental state”. A practical method for grading the cognitive state of patients for the clinician. J Psychiatr Res. 1975;12:189?8. 71. Benton AL, editor. Revised visual retention test. 5th ed. New York: The Psychological Corporation; 1974. 72. Delis DC, Freeland J, Kramer JH, Kaplan E. Integrating clinical assessment with cognitive neuroscience: construct validation of the California Verbal Learning Test. J Consult Clin Psychol. 1988;56: 123?0. 73. Lezak MD. Neuropsychological assessment. 2nd ed. New York: Oxford University Press; 1983. 74. Lezak MD. Neuropsychological assessment. 3rd ed. New York: Oxford University Press; 1995.Beydoun et al.75. Rosen W. Verbal fluency in aging and dementia. J Clin Neuropsychol. 1980;2:135?6. 76. Reitan R. Trail Making Test: manual for administration and scoring. Tucson (AZ): Reitan Neuropsychological Laboratory; 1992. 77. Wechsler D. WAIS-R manual. Cleveland (OH): The Psychological Corporation; 1981. 78. STATA. Statistics/data analysis: release 11.0. College Station (TX): Stata Corporation; 2009. 79. Blackwell E, de Leon CF, Miller GE. Applying mixed regression models to the analysis of repeated-measures data in psychosomatic medicine. Psychosom Med. 2006;68:870?. 80. Heckman JJ. Sample selection bias as a specification error. Econometrica. 1979;47:153?1. 81. Beydoun MA, Boueiz A, Abougergi MS, Kitner-Triolo MH, Beydoun HA, Resnick SM, O’Brien R, Zonderman AB. Sex differences in the association of the apolipoprotein E epsilon 4 allele with incidence of dementia, cognitive impairment, and decline. Neurobiol Aging. 2012; 33:720?1. 82. Selvin S. Statistical analysis of epidemiologic data. 3rd ed. Oxford (United Kingdom): Oxford.