Related by context. Frequent words. (Click for all words.) 74 National Longitudinal Study 64 Longitudinal Study 61 Interview Survey 61 Nutrition Examination Survey NHANES 59 NHANES 58 Nutrition Examination Survey 56 longitudinal study 55 Behavioral Risk 55 Values Survey 55 Current Population Survey 54 prospective cohort 50 Health Initiative WHI 50 Professionals Follow 49 study 49 Surveillance Epidemiology 48 Longitudinal 48 analyzed 48 longitudinal studies 47 Prospective Investigation 47 Human Development NICHD 47 multicenter study 47 meta analysis 47 American Sociological Review 47 Survey 47 random sample 47 Household Survey 47 Factor Surveillance 46 Framingham Heart 46 Adolescent Health 46 randomly sampled 46 Determinants 45 randomly selected sample 45 journal Obesity 45 Alan Guttmacher Institute 45 socio demographic 45 Census Bureau 45 Mathematica Policy Research 44 End Results SEER 44 extrapolated 44 journal Psychological Science 44 Experian Simmons 44 Youth Risk Behavior 44 observational study 44 demographic variables 44 censuses 44 meta analyzes 43 StatsCan 43 Pew Hispanic Center 43 AIHW 43 Pew Charitable Trusts 43 epidemiologic studies 43 researchers 42 Statistics Canada 42 HapMap 42 Consumer Confidence Survey 42 Univision Poll 42 tart Coalition 42 demographic characteristics 42 Demographic 42 Health HSPH 42 Consumer Finances 42 menarche 42 Study 41 placebo controlled trials 41 census 41 dietary intake 41 epidemiological studies 41 Pulse Survey 41 journal Addiction 41 Guttmacher 41 Population Reference Bureau 41 Aging NIA 41 journal Hypertension 41 Mental Health NIMH 41 randomized controlled trial 41 journal Sleep 41 substudy 41 longitudinal 41 NSSE 41 randomized controlled trials 41 Compensation Survey 40 journal Alcoholism Clinical 40 Sample Survey 40 potential confounders 40 surveys 40 Census 40 randomized clinical 40 nonpartisan Kaiser 40 Forrester Consulting 40 Zogby Interactive 40 Guttmacher Institute 40 data 40 AHRQ 40 observational studies 40 Statistical Abstract 40 LifeWay Research 40 MetLife Mature Market 40 EBRI 40 serum samples 40 dataset 40 decennial census