Table 1.
Descriptive Statistics for Predictor Variables Before and After Imputation
| Prior to Imputation
|
After Imputation (n=5,470)
|
||||||||
|---|---|---|---|---|---|---|---|---|---|
| Mean / % | (sd) | n | Min. | Max. | Mean / % | SD | Min | Max | |
| Educational Attainment | |||||||||
| Less than High School | 7.6% | 4,340 | 0.0 | 1.0 | 8.4% | 0.0 | 1.0 | ||
| High School Graduate | 36.3% | 4,340 | 0.0 | 1.0 | 36.5% | 0.0 | 1.0 | ||
| Some College, No BA | 41.0% | 4,340 | 0.0 | 1.0 | 40.4% | 0.0 | 1.0 | ||
| BA or Higher | 15.1% | 4,340 | 0.0 | 1.0 | 14.7% | 0.0 | 1.0 | ||
| Gender | |||||||||
| Male | 54.9% | 5,470 | 0.0 | 1.0 | 54.9% | 0.0 | 1.0 | ||
| Female | 45.1% | 5,470 | 0.0 | 1.0 | 45.1% | 0.0 | 1.0 | ||
| Race/Ethnicity | |||||||||
| White | 64.8% | 5,470 | 0.0 | 1.0 | 64.8% | 0.0 | 1.0 | ||
| Hispanic | 16.2% | 5,470 | 0.0 | 1.0 | 16.2% | 0.0 | 1.0 | ||
| Black | 15.8% | 5,470 | 0.0 | 1.0 | 15.8% | 0.0 | 1.0 | ||
| All Others | 3.2% | 5,470 | 0.0 | 1.0 | 3.2% | 0.0 | 1.0 | ||
| Nativity | |||||||||
| Born in United States | 94.1% | 5,330 | 0.0 | 1.0 | 94.1% | 0.0 | 1.0 | ||
| Born Abroad | 5.9% | 5,330 | 0.0 | 1.0 | 5.9% | 0.0 | 1.0 | ||
| Father's Educational Attainment | |||||||||
| Less than High School | 28.4% | 3,450 | 0.0 | 1.0 | 30.1% | 0.0 | 1.0 | ||
| High School Graduate | 31.5% | 3,450 | 0.0 | 1.0 | 32.0% | 0.0 | 1.0 | ||
| Some College or More | 40.1% | 3,450 | 0.0 | 1.0 | 37.9% | 0.0 | 1.0 | ||
| Mother's Educational Attainment | |||||||||
| Less than High School | 23.2% | 4,060 | 0.0 | 1.0 | 24.5% | 0.0 | 1.0 | ||
| High School Graduate | 45.4% | 4,060 | 0.0 | 1.0 | 44.9% | 0.0 | 1.0 | ||
| Some College or More | 31.5% | 4,060 | 0.0 | 1.0 | 30.6% | 0.0 | 1.0 | ||
| Academic Achievement in 1980 | |||||||||
| Reading Test Score | 5.7 | (4.5) | 4,860 | −1.3 | 19.0 | 7.0 | (5.8) | −1.3 | 19.0 |
| Math Test Score | 9.8 | (9.3) | 4,870 | −4.5 | 38.0 | 10.9 | (10.5) | −4.5 | 38.0 |
| Self-reported GPA | 2.5 | (0.8) | 5,390 | 0.0 | 4.0 | 2.5 | (0.8) | 0.0 | 4.0 |
| Non-Cognitive Skills in 1980 | |||||||||
| Self-concept | −0.1 | (1.0) | 5,140 | −4.8 | 1.7 | −0.1 | (1.0) | −4.8 | 1.7 |
| Locus of control | −0.2 | (1.0) | 5,120 | −3.7 | 2.2 | −0.2 | (1.0) | −3.7 | 2.2 |
| Work orientation | 0.0 | (1.1) | 5,180 | −6.3 | 1.7 | 0.0 | (1.1) | −6.3 | 1.7 |
| Health and Disability in 1980 | |||||||||
| Body Mass Index | 21.3 | (3.7) | 4,850 | 7.8 | 122.6 | 21.3 | (3.7) | 7.8 | 122.6 |
| Limiting Physical Condition | 10.2% | 4,960 | 0.0 | 1.0 | 10.5% | 0.0 | 1.0 | ||
Note : Sample restricted to the 5,470 HSB sophomore sample members who responded to the 1980 HSB survey but not the 2014 survey. Analyses are weighted by the base year sampling weight BYWT. Imputations are performed using chained equations in Stata's ice command. Sample sizes are rounded as per IES Restricted Data security requirements.