Top 100 - Release 21.0||April 11, 2017, Ver 21.0 1. Current Age 2. Gender 3. Ethnicity 4. Race 5. Cigarette Smoking Status 6. Weight 7. Alcohol - Lifetime Use 8. Current Educational Attainment 9. Alcohol - 30-Day Quantity and Frequency 10. Height 11. Current Marital Status 12. Annual Family Income 13. Current Employment Status 14. Birthplace 15. Household Roster-Relationships 16. Substances - Lifetime Use 17. Tobacco - 30-Day Quantity and Frequency 18. Current Address 19. Age of Initiation of First Cigarette Use 20. Alcohol - Lifetime Abuse and Dependence 21. Alcohol - Age of First Use 22. Substances - 30-Day Frequency 23. Birthplace of Parents 24. Birthplace of Grandparents 25. Cigarette Nicotine Dependence 26. Birth Weight 27. Substances - Age of First Use 28. Blood Pressure (Adult/Primary) 29. Alcohol - Maximum Drinks in 24 Hours 30. Air Contaminants in the Home Environment 31. Substances - Lifetime Abuse and Dependence 32. Lipid Profile 33. Body Composition 34. Years Living in the U.S. 35. Body Image 36. Abdominal Aortic Aneurysm 37. Arm Span 38. Cancer: Personal and Family History 39. Family History of Heart Attack 40. Tobacco - Age of Offset of Cigarette Use 41. Angina 42. Residential History 43. Current Environmental Tobacco Smoke Exposure 44. Weight Loss/Gain 45. Health Insurance Coverage 46. Waist Circumference 47. Occupation/Occupational History 48. Myocardial Infarction 49. Exposure at Work and in Daily Life 50. Dietary Supplements Use 51. Total Dietary Intake 52. Breast or Bottle Feeding Patterns 53. Deep Venous Thrombosis 54. Total Pregnancy Weight Gain 55. Characteristics of Current Residence 56. Fruits and Vegetables Intake 57. Maximum Adult Weight 58. Calcium Intake (Daily) 59. Arrhythmia (Atrial and Ventricular) 60. Child Head Circumference 61. Cancer Screenings 62. Breastfeeding 63. Hip Circumference 64. Ultraviolet Light Exposure 65. Maximum Adult Height 66. Day Care/Preschool Attendance 67. Exogenous Female Hormone Use 68. Home and Workplace Exposures to Floor and Wall Materials 69. Mid-Upper Arm Circumference 70. Exposures from Hobbies 71. Dairy Food Intake (Daily Servings) 72. Caffeine Intake 73. Cumulative Lifetime Alcohol Exposure 74. Cancer Treatments 75. Consumption of Sweet Beverages 76. Hand Dominance 77. Water Source 78. Vitamin D 79. History of Being Breast Fed 80. Rheumatic Fever/Rheumatic Heart Disease 81. High Blood Pressure During Pregnancy 82. Passive Smoke Exposure 83. Pulmonary Embolism 84. Peripheral Arterial Disease 85. Sugar Intake (added) 86. Tobacco (non-cigarette) - Product Use 87. Heart Valve Function 88. Personal and Family History of Respiratory Symptoms/Diseases 89. Cumulative Lifetime Physical Activity 90. Existence of Cleft Lip or Palate 91. Medications (Current and Past Use of Pain Relievers, Statins, and Steroids) 92. Number of Natural Teeth 93. Dust Collection - Vacuum Bag 94. Anxiety Disorders Screener 95. Arterial Blood Gas (ABG) 96. Sibship/Birth Order 97. Fiber Intake 98. Exercise Capacity/Six-Minute Walk Test 99. Pre-existing Conditions Associated with Cancer 100. Percent Energy from Fat