Table 1

Differences between those missing parity data and those with parity data

 Not missing parity (4025)Missing parity (659)Missing ASVAB (268)
FrequencyPer centFrequencyPer centFrequencyPer cent
RGL
 <5th grade57214.2649.7
 5–6th grade56214.08613.1
 7–8th grade65316.210716.2
 9–11th grade133833.223435.5
 12th+ grade90022.416825.5
Race/ethnicity
 Hispanic77419.213220.07427.6
 Black125831.316725.35219.4
 Non-Black, non-Hispanic199349.536054.614253.0
HS degree in 1985
 No68917.18512.98531.7
 Yes325180.848273.16022.3
Age in 1980 (years)
 153458.6548.251.9
 1653113.210415.8155.6
 1757314.28212.4176.3
 1854313.59814.9186.7
 1954413.57210.9207.5
 2049712.48112.3197.1
 2141610.38312.6197.1
 2244211.06910.5228.2
 23781.971.1103.7
Average (mean age)18.016.719.3
Poverty status at age 14
 In poverty102125.412919.67661.6
Not in poverty402569.447371.816528.4
Parous in 1980
 Parous75623.93428.3
 Nulliparous240476.18671.7
  • Note: percentages do not add to 100% in all cases.

  • ASVAB, Armed Services Vocational Aptitude Battery; RGL, Reading Grade Level.