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Projections of Education Statistics to 2018

NCES 2009-062
September 2009

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Table A-15.  Estimated equations and model statistics for full-time and part-time college enrollment rates of White women

Independent variable Coefficient Standard error T-statistic R2 D.W.
statistic
           
Full-time          
           
Intercept term for 17-year-olds -12.67 0.265 -47.90 0.99 1.84*
Intercept term for 18-year-olds -9.76 0.245 -39.85    
Intercept term for 19-year-olds -9.64 0.243 -39.60    
Intercept term for 20-year-olds -9.90 0.244 -40.62    
Intercept term for 21-year-olds -10.16 0.244 -41.68    
Intercept term for 22-year-olds -10.95 0.246 -44.47    
Intercept term for 23-year-olds -11.44 0.245 -46.69    
Intercept term for 24-year-olds -11.74 0.244 -48.10    
Intercept term for 25- to 29-year-olds -12.65 0.244 -51.85    
Intercept term for 30- to 34-year-olds -13.35 0.244 -54.68    
Intercept term for 35- to 44-year-olds -13.54 0.244 -55.52    
Log of White per capita disposable income in current dollars 0.49 0.013 39.19    
           
Part-time          
           
Intercept term for 17-year-olds -8.77 0.415 -21.15 0.77 1.79*
Intercept term for 18-year-olds -4.85 0.258 -18.79    
Intercept term for 19-year-olds -4.53 0.262 -17.26    
Intercept term for 20-year-olds -4.49 0.259 -17.31    
Intercept term for 21-year-olds -4.70 0.259 -18.13    
Intercept term for 22-year-olds -4.63 0.257 -18.06    
Intercept term for 23-year-olds -4.91 0.257 -19.10    
Intercept term for 24-year-olds -5.07 0.258 -19.64    
Intercept term for 25- to 29-year-olds -5.20 0.254 -20.46    
Intercept term for 30- to 34-year-olds -5.53 0.256 -21.60    
Intercept term for 35- to 44-year-olds -5.22 0.254 -20.52    
Log of White per capita disposable income in current dollars 0.14 0.013 10.35    
* p<.05.
R2 = Coefficient of determination.
D.W.statistic = Durbin-Watson statistic, a test for autocorrelation among regression residuals. For more details see Johnson, J., and Dinardo, J. (1996). Econometric Methods. New York: McGraw-Hill.
NOTE: The regression method used to estimate the full-time and part-time equations was the pooled seemingly unrelated regression method. The time period used to estimate the equations is from 1980 to 2007. The number of observations is 308. For additional information, see Intriligator, M.D. (1978). Econometric Models, Techniques, & Applications. New Jersey: Prentice-Hall, Inc., pp. 165-173. Race categories exclude persons of Hispanic ethnicity.
SOURCE: U.S. Department of Education, National Center for Education Statistics, Enrollment in Degree-Granting Institutions by Race/Ethnicity Model, 1980–2007. (This table was prepared February 2009.)

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