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Percentage distribution of undergraduates, by their work status while enrolled and among those who worked, the average and median hours worked per week: 1999–2000
Institutional and student characteristics
Did
not work
Worked
part time
Worked
full time
Average
hours worked
per week
Median
hours worked
per week

           
    Total 19.9 40.8 39.3 31.6 32.4
           
4-year sector*          
  Public and private not-for-profit 22.9 50.7 26.4 27.0 25.0
    Public 22.9 51.6 25.5 27.3 25.2
    Private not-for-profit 22.8 48.7 28.5 26.5 24.6
           
Institution type*          
  Public          
    Less-than-2-year 24.3 31.7 44.0 35.0 39.0
    2-year 15.8 30.4 53.8 36.0 39.3
    4-year nondoctorate-granting 20.3 47.7 32.1 29.5 29.6
    4-year doctorate-granting 24.4 53.9 21.7 26.0 24.3
  Private not-for-profit          
    Less-than-4-year 27.4 40.7 32.0 28.8 30.0
    4-year nondoctorate-granting 19.9 46.3 33.8 27.9 26.9
    4-year doctorate-granting 27.3 52.4 20.3 23.9 20.1
  Private for-profit 25.8 33.5 40.8 33.9 36.1
  More than one institution 20.6 45.8 33.6 30.3 29.9
           
Class level          
  Graduating senior 19.6 54.7 25.7 26.5 11.2
  All other undergraduates 20.0 39.4 40.7 32.0 11.2
           
Attendance intensity          
  Exclusively full-time 26.2 54.0 19.7 25.5 11.2
  Mixed full-time and part-time 16.3 46.7 37.0 30.9 10.1
  Exclusively part-time 11.8 18.9 69.3 39.5 10.1
           
Gender          
  Male 18.9 39.0 42.1 32.9 34.8
  Female 20.7 42.2 37.1 30.5 30.7
           
Race          
One race          
  White 19.0 42.1 38.9 31.4 31.0
  Black or African American 19.3 36.7 44.0 33.1 35.7
  Asian 34.9 39.5 25.6 27.7 26.1
  American Indian/Alaska Native 21.7 32.7 45.6 34.7 39.5
  Native Hawaiian/Other Pacific Islander 24.6 41.4 34.0 31.0 30.9
  Other race 19.7 37.2 43.1 32.9 34.8
More than one race 16.7 43.1 40.3 31.9 33.1
           
Hispanic or Latino (any race)          
  Not Hispanic or Latino 19.7 41.5 38.8 31.4 31.3
  Hispanic or Latino 21.4 36.2 42.4 32.9 34.8
           
Dependency status          
  Dependent 22.2 56.1 21.7 25.9 25.0
  Independent 17.6 25.1 57.3 37.1 39.7
    No dependents, unmarried 14.9 30.5 54.6 35.9 39.6
    Married, no dependents 17.4 22.9 59.6 37.3 39.8
    Single parent 17.5 27.1 55.4 36.2 39.5
    Married parents 20.2 19.5 60.3 38.9 40.9
           
Age as of 12/31/99          
  18 years or younger 31.3 51.7 17.0 24.5 24.1
  19–23 years 20.0 54.5 25.5 27.1 25.0
  24–29 years 15.2 31.2 53.6 35.7 39.7
  30–39 years 17.5 20.1 62.4 38.7 39.9
  40 years or older 20.2 15.9 63.9 39.4 40.0
           
Dependent income quartiles          
   Low quartile 21.8 54.1 24.1 26.9 11.2
   Middle quartiles 19.1 58.2 22.8 26.0 10.1
   High quartile 28.5 54.0 17.5 24.7 8.0
           
Independent income quartiles          
   Low quartile 26.8 46.0 27.2 28.7 11.2
   Middle quartiles 14.7 21.7 63.6 38.3 11.2
   High quartile 15.0 13.9 71.0 41.1 10.0
           
Parents’ education          
  High school diploma or less 18.3 34.0 47.7 34.0 39.0
  Some postsecondary education 16.1 43.0 40.9 31.9 31.5
  Bachelor’s degree or higher 22.9 47.9 29.2 28.6 29.0
           
Disability status          
  No disability reported 19.1 41.1 39.7 31.6 32.5
  Some type of disability reported 28.4 37.8 33.8 31.4 31.0

*Refers to NPSAS institution only.

NOTE: Details may not sum to 100 due to rounding.

SOURCE: U.S. Department of Education, National Center for Education Statistics, 1999–2000 National Postsecondary Student Aid Study (NPSAS:2000).