Table 1.

Births in Norway 1967 to 2004 according to birth-related variables and development of ESRD 1980 to 2005

Birth-Related VariablesNot Developed ESRDDeveloped ESRD
n%an%a
Gender
    men1,120,7895131460
    women1,061,9094921240
Birth weight
    <10th percentile211,633108116
    10 to 90th percentile1,744,0168040277
    ≥90th percentile222,75110397.5
Gestational age (wk)
    <37118,8485.8326.5
    37 to 411,668,0678139380
    ≥42271,130136814
Birth weight for gestational age
    <10th percentile217,067118117
    10 to 90th percentile1,627,0858036976
    ≥90th percentile200,7889.8387.8
Multiple delivery versus single
    multiple53,0372.491.7
    single2,129,7539851798
Maternal preeclampsia during pregnancy
    yes65,2163.0163.0
    no2,117,5759751097
Congenital malformation of the kidney or urinary tract
    yes1,7290.08122.3
    no2,181,0629951497
Other congenital malformations
    yes60,8542.9234.4
    no2,121,9379750396
  • a Percentage within category of predictor variable.