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. Author manuscript; available in PMC: 2012 Sep 10.
Published in final edited form as: Paediatr Perinat Epidemiol. 2010 Jan;24(1):102–112. doi: 10.1111/j.1365-3016.2009.01087.x

Table 1.

Summary of prior literature assessing validity and reliability of birth record dataa

Variables with excellent or good agreement
Variable Author
Demographic variables Piper, 1993;14 Reichman, 2001;9 Zollinger, 200610
Insurance information Braveman, 1998;26 Northam, 20068
Prenatal care
 Adequate PNC report McDermott, 199727
 Inadequate PNC report McDermott, 199727
 Birthweight Buescher, 1993;7 Piper, 1993;14 Reichman, 2001;9 Northam, 20068
Pregnancy history
 Infant death (prior pregnancy) Adams, 200128
 Gravidity Dobie, 199813
 Parity Dobie, 199813
 Prior obstetric history DiGiuseppe, 200212
Delivery method Buescher, 1993;7 DiGiuseppe, 2002;12 Northam, 2006;8 Reichman, 20019
Birth outcome variables Zollinger, 200610
 Apgar score Buescher, 1993;7 DiGiuseppe, 2002;12 Northam, 20068

Variables with moderate agreement (some over- or under-reporting)
Variable Author

Prenatal care
 Month PNC began Buescher, 1993;7 Clark, 1997;29 Roohan, 2003;15 Zollinger, 200610
 Number of PNC visits Buescher, 1993;7 Clark, 1997;29 Zollinger, 200610
 PNC DiGiuseppe, 2002;12 Northam, 2006;8 Zollinger, 200610
 Weight gain during pregnancy Buescher, 1993;7 Reichman, 2001;9 Zollinger, 200610
Behavioural risk factors
 Tobacco use Buescher, 1993;7 Dietz, 1998;16 DiGiuseppe, 2002;12 Reichman, 2001;9 Zollinger, 200610
Pregnancy complications Northam, 20068
Concurrent illnesses Northam, 20068
Obstetric procedures Buescher, 19937
Labour and delivery complications Buescher, 1993;7 Northam, 20068
Birth outcome
 Gestational age Reichman, 2001;9 DiGiuseppe, 200212

Variables with poor agreement (substantial over- or under-reporting)
Variable Author

Prenatal care
 Month PNC began Clark, 199729
 Number of PNC visits Clark, 1997;29 Dobie, 1998;13 Roohan, 2003;15 Zollinger, 200610
 Trimester PNC began Clark, 199729
 Intermediate PNC report McDermott, 199727
Pregnancy history
 Birth outcome (prior pregnancy) Adams, 200128
Behavioural risk factors
 Alcohol use Buescher, 1993;7 Northam, 2006;8 Reichman, 2001;9 Zollinger, 200610
 Tobacco use Northam, 20068
Pregnancy complications Dobie, 1998;13 DiGiuseppe, 2002;12 Zollinger, 200610
Concurrent illnesses Zollinger, 200610
 Medical conditions Buescher, 1993;7 Piper, 199314
 Medical risk factors DiGiuseppe, 2002;12 Piper, 1993;14 Woolbright, 1999;30 Reichman, 20019
Obstetric procedures Dobie, 1998;13 Northam, 2006;8 Piper, 1993;14 Reichman, 20019
Labour and delivery complications Dobie, 1998;13 DiGiuseppe, 2002;12 Northam, 2006;8 Piper, 1993;14 Reichman, 2001;9 Zollinger, 200610
 Transfer status Reichman, 20019
Newborn congenital anomalies Zollinger, 200610
 Newborn abnormalities Piper, 199314
 Congenital anomalies Piper, 199314
a

Classification of agreement as excellent/good, moderate or poor were based generally as described by each author. PNC, prenatal care.