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[351], 'Participation': [352], 'Introducing': [353], 'Substantial': [354], 'Bias': [355], 'Estimates?': [358], 'Epidemiologists': [359, 1291], 'measure': [360], 'association': [362], 'between': [363, 829], 'an': [364, 1042, 1068, 1534, 1829, 1852], 'exposure': [365, 493, 499, 657, 664, 691], 'outcome': [368], 'choosing': [370], 'right': [372], 'effect': [373, 716, 724, 1143], 'parameter,': [374], 'estimating': [375], 'it,': [376], 'calculating': [377], 'imprecision,': [379], 'considering': [381], 'possible': [383, 1268], 'direction': [384, 410], 'magnitude': [386, 412, 1119], 'bias.': [389], 'For': [390, 765, 1754, 1833], 'rate': [391, 397, 403, 479, 769], 'ratios,': [392], '"bias': [394, 436], 'factor"': [395], '(estimated': [396], 'ratio': [398, 468, 639, 770], 'true': [402, 992], 'ratio)': [404], 'is': [405, 549, 568, 579, 585, 591, 745, 938, 952, 989, 1080, 1399, 1509, 1733, 1778, 1790, 1873, 2044], 'parameter': [407], 'captures': [409], 'bias.2': [414], 'case–control': [417, 778], 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[503, 661, 751], 'Equal': [504], 'offer': [511], 'protection': [513], 'if': [514, 547, 555, 722, 767, 788, 1915], 'relevant': [516, 860], 'correlates': [517, 688], 'nonparticipation': [519, 993], 'sick': [524], 'healthy,': [527], 'so': [530, 908], 'often': [531], 'are.': [532], 'On': [533], 'hand,': [536], 'rather': [537, 1130], 'poor': [538, 1644], 'nothing': [543], 'worry': [545], 'about': [546], 'essentially': [550], 'unrelated': [551], 'Even': [554], 'differs': [557], 'exposure,': [559], 'still': [561], 'result': [564], 'unless': [565], 'this': [566, 609, 625], 'tendency': [567], 'stronger': [569], 'weaker)': [571], 'controls.': [576], 'This': [577], 'pattern': [578, 1133], 'hard': [580, 1722], 'gauge,': [582], 'threat.': [588], 'How': [589], 'Sensible': [590], 'Sensitivity': [592], 'Analysis?': [593], 'Careful': [594], 'investigation': [595], 'statistical': [598], 'structure': [599], 'has': [602, 675, 994, 1800, 2066, 2085], 'uncovered': [603, 635], 'subtle': [604], 'features': 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'likely': [711, 865, 1781, 1943], 'risk': [712], 'ratios': [713], 'estimates': [717, 771, 827], 'constructed.': [720], 'Second,': [721], 'parameters': [725], 'agree': [729], 'closely': [730, 780], 'those': [732, 782, 1054], 'designs,': [737], 'comfort.': [742], 'Another': [743], 'tack': [744], 'contrasts': [748], 'One': [752], 'might': [753, 795, 1952], 'across': [755], 'related': [756], 'exposures': [757], 'signs': [762], 'distortion.': [764], 'example,': [766, 814, 1528], 'coffee': [773], 'smoking': [775], 'resemble': [781], 'larger': [785], 'literature': [786, 1113], 'these': [789, 1078, 1590], 'otherwise': [791], 'uninteresting': [792], 'parameters),': [793], 'slightly': [797], 'reassured': [798], 'estimation': [800], 'alcohol.': [802], 'If': [803, 1341], 'subset': [805], 'had': [810], 'better': [811, 929, 1354], 'response,': [812, 1148], 'among': [815], 'women': [817], 'Midwest,': [821], 'examine': [824], 'whether': [825], 'differ': [828], 'higher': [831, 1189], 'lower': [834], 'subsets.': [836], 'Although': [837], 'analysis': [839, 849], 'always': [840], 'carries': [841], 'less': [842, 2005], 'authority': [843], 'accurate': [845], 'direct': [846], 'measurement,': [847], 'sharpen': [851], 'interpretation': [853, 1099], 'results.': [856], 'solid': [858], 'ancillary': [861], 'data': [862, 881, 978, 1716, 1764, 1788, 1951], 'values': [866], 'components': [869], 'nonresponse': [872], 'ratio,': [874], 'exercise': [876], 'approaches': [877, 1183, 1685], 'standardization.': [878], 'flimsy': [880], 'peripheral': [884], 'dissolves': [889], 'into': [890, 1491, 1669, 2025], 'handwaving.': [891], 'Different?': [894], 'carefully': [896], 'molecular': [898, 1104], 'exposures,': [899], 'gets': [901], 'closer': [902], 'presumed': [905], 'causal': [906], 'nexus,': [907], 'researchers,': [910], 'reviewers,': [911], 'editors': [914], 'sometimes': [915], 'give': [916, 1028, 1033], '"wet': [917], 'epidemiology"': [918], 'pass': [920], 'problem': [923, 1917], 'know': [928], 'assume': [932], 'ignorance': [934], 'protects': [935], 'us.': [936], 'impossible': [940], 'polymorphism.': [950], 'reassuring': [953], 'report3': [957], 'effects': [960, 1121, 1982], 'found': [961], 'evidence': [963], '108': [968], 'polymorphisms,': [969], '8': [970], 'haplotypes,': [971], '9–15': [973], 'short': [974], 'tandem': [975, 1977], 'repeats': [976], '2955': [980], 'studies,': [984], 'much': [986], 'research': [988, 2068, 2094], 'needed.': [990], 'Typically,': [991], 'inferred': [997], 'using': [998], 'variety': [1000], 'proxy': [1002], 'measures': [1003], 'late': [1006], 'responders': [1007], 'who': [1008, 1016, 1024, 1039, 1071, 1313], 'contacted': [1012], 'times': [1014], 'extra': [1018], 'incentives': [1019, 1150], 'participate,': [1021], 'people': [1023, 1038, 1063, 1485, 1523, 1596], 'unwilling': [1026], 'blood': [1029], 'willing': [1031, 1315], 'buccal': [1034], 'cell': [1035], 'during': [1041, 1055], 'early': [1043, 1069, 1152], 'phase': [1044, 1058], 'poorer': 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'radical': [1439], 'changes,': [1440], 'soon': [1442], 'able': [1446], 'telephones': [1449], 'draw': [1451], 'approximations': [1453], 'samples': [1455], 'telecommunications,': [1463], 'marketing,': [1464], 'culture': [1466], 'also': [1468, 1703, 1779], 'undermined': [1469], 'recruitment.': [1476], 'Indeed,': [1477], 'recruit': [1484], '(with': [1486], 'known': [1488], 'number)': [1490], 'hangs': [1494], 'thread.': [1497], 'settings': [1502], 'getting': [1510], 'expensive.': [1514], 'approach': [1517, 1522, 1978], 'avenues,': [1526], 'sending': [1530], 'letter': [1532], 'e-mail': [1535, 1818, 1850], 'well': [1537, 2013], 'telephoning.': [1539], 'Recruitment': [1540], 'through': [1541, 1694, 1717], 'easier.': [1546], 'More': [1547], 'likely,': [1548], 'coexist,': [1551], 'at': [1552, 1803, 1908, 1918, 2060], 'least': [1553, 1804], 'awhile,': [1555], 'approaches.': [1559], 'Should': [1560], '"Keep': [1562], 'Those': [1563], 'Cards': [1564], 'Letters': [1566], 'Coming"?': [1567], 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'fast.': [1794], 'By': [1795], 'contrast,': [1796], 'web-based': [1797], 'basically': [1799], 'begun,': [1802], 'standards': [1808], 'epidemiologists.': [1811], 'As': [1812, 2007], 'coverage': [1814], 'crossindexing': [1816], 'addresses': [1819, 1851], 'identifiers': [1822], 'grow,': [1823], 'Internet': [1825], 'alternative': [1830], 'now,': [1834], 'unrepresentative': [1836], 'world': [1841], 'various': [1843, 1948, 2089], 'double-counting': [1844], 'problems': [1845], 'based': [1848], 'area': [1853], 'develop': [1855], 'watch': [1858], 'tool': [1863], 'use.': [1865], 'Finally,': [1866], 'new': [1868], 'technology': [1869, 1881], 'certain': [1875], 'meld': [1877], 'old': [1880], 'dwelling-based': [1883], 'selection.': [1884], 'eventually': [1887], 'become': [1888], 'feasible': [1889], 'satellite': [1892], 'surveys': [1893], 'places': [1895], 'classic': [1897], 'multistage': [1898], 'sampling,': [1899], 'used': [1901], 'RDD,': [1903], 'select': [1905], 'dwellings': [1907], 'random': 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