Related by context. Frequent words. (Click for all words.) 58 National Longitudinal Survey 53 longitudinal study 53 Medical Expenditure Panel 52 prospective cohort 52 Longitudinal Study 52 National Longitudinal Study 52 Alan Guttmacher Institute 52 journal Epidemiology 51 Sexual Behavior 50 Values Survey 50 Current Population Survey 50 CDC Morbidity 50 Systematic Review 50 journal Biological Psychiatry 49 bmj.com 49 Cochrane Database 49 Psychological Bulletin 49 study 49 Consumer Expenditure Survey 49 Jewish Population Survey 49 Social Attitudes 49 Alcoholism Clinical 49 Alcoholism Clinical & 48 NHANES 48 Atherosclerosis Risk 48 BRFSS 48 Adolescent Health 47 Currency Majors Technical 47 sociodemographic 47 Statistical Abstract 47 Human Development NICHD 47 Key Indicators 47 National Comorbidity Survey 47 journal Personality 47 epidemiologic studies 47 journal Psychosomatic Medicine 47 Developmental Psychology 47 Preterm Birth 47 journal Obesity 47 National Crime Victimization 47 Animal Behaviour 47 Nationwide Inpatient Sample 46 Personal Relationships 46 Organisation NSSO 46 journal PLoS Biology 46 meta analysis 46 Interview Survey 46 Pertman 46 journal Alcoholism Clinical 46 writes MarketingCharts 46 bmj.com today 46 Clinical Gastroenterology 46 Consumer Finances 46 developmental psychology 46 retrospective cohort study 46 journal Fertility 46 journal Human Reproduction 46 AIHW 45 Factor Surveillance 45 Religious Landscape 45 American Sociological Review 45 NHANES III 45 Gynecologic Oncology Group 45 substudy 45 longitudinal studies 45 Systematic Reviews 45 Epilepsia 45 mothers 45 Kids Count 45 Comparative Effectiveness 45 Information Clearinghouse 45 Cohort Study 45 Mathematica Policy Research 45 Adolescent 45 Acquired Immune Deficiency Syndromes 45 socio demographic 45 Pew Hispanic 45 Welfare AIHW 45 Postpartum Depression 44 Contemporary Families 44 journal Sleep 44 Epidemiologic 44 empirical 44 journal Obstetrics & 44 Molecular Cancer 44 Survey Methodology 44 Experian Simmons 44 Guttmacher Institute 44 journal Psychological Science 44 Employment Policies 44 Breast Cancer Risk 44 Study 44 Racial Disparities 44 born preterm 44 Carsey Institute 44 PLoS Medicine 44 journal Thorax 44 analyzed 44 Ventureneer 44 Substance Use 44 multicenter study