Table 1.

Descriptive statistics.

variablesBRCA1/2 mutation carrierscontrols
nmeans.d.nmeans.d.
born before 1930
birth year591906.7817.728851906.7817.58
death year (if applicable)521974.5024.257161981.9021.51
year of first marriage471929.7018.368501928.2317.53
year of first birth591930.2218.678851930.9618.49
age at first marriage4721.773.3485021.403.53
age at first birth5923.443.3188524.184.80
age at last birth5936.765.1588533.946.27
first birth interval (years)471.681.498502.823.38
average birth interval (years)592.691.108773.642.62
number deceased children590.390.878850.350.78
children ever born596.222.748854.192.68
devout Mormon (dummy)590.760.438850.830.38
born 1930–1974
birth year1221949.109.4318301949.109.39
death year (if applicable)221997.416.671022001.745.57
year of first marriage631971.0311.6716701971.0611.71
year of first birth1221972.1910.1018301973.5211.59
age at first marriage6321.084.21167022.004.45
age at first birth12223.093.51183024.425.16
age at last birth12231.705.37183031.725.45
first birth interval (years)632.293.0016702.502.87
average birth interval (years)1202.981.2918243.172.15
number deceased children1220.030.2218300.070.29
children ever born1224.131.8218303.401.75