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Table 1 Descriptive characteristics of the RN offspring cohort, 1986-2000.

From: Cancer incidence and adverse pregnancy outcome in registered nurses potentially exposed to antineoplastic drugs

 

N

%

Total births

23,222

 

   Singletons

22,613

97.4%

   Stillbirths1

147

0.6%

   Twins

581

2.5%

   Triplets

28

0.1%

Live singletons

22,491

 

   Only child

9,163

40.7%

   2 children

8,454

37.6%

   ≥ 3 children

4,874

21.7%

   Males

10,961

48.7%

   Females

11,530

51.3%

RN mothers

12,741

 

Mother's age at birth

  

   < 30 years

7,943

35.3%

   30 - 34 years

9,371

41.7%

   ≥ 35 years

5,177

23.0%

  1. 1Value includes twins and triplets, and cases with missing or incomplete congenital anomaly diagnosis data.
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BMC Nursing

ISSN: 1472-6955

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