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Table 5 Continuous outcomes from birth certificates compared to maternal recall

From: Validation of birth certificate and maternal recall of events in labor and delivery with medical records in the Iowa health in pregnancy study

Difference from maternal recall

Birth certificate

n

%

Birth weight

 0

0

0.0

 ± 50 g

2273

89.6

 ± 100 g

2418

95.3

 ± 150 g

2489

98.1

 ± 200 g

2538

100.0

Gestational age

 0

2655

98.9

 ± 1 week

2684

99.9

 ± 2 weeks

1

100.0