Table 2b:
Comparison of standardized differences of baseline factors before and after matching, comparing Black students who were suspended for the first time between 1995 and 1996 with students who had never been suspended as of 1996.
| Pre-matching | Post-matching | |||||
|---|---|---|---|---|---|---|
| Susp. | Not susp. | Std. diff | Susp. | Not susp. | Std. diff | |
| N | 116 | 1603 | 116 | 568 | ||
| Age | 14.5 | 15.1 | −0.46 | 14.5 | 14.6 | −0.10 |
| Systematic (vs. gut-feeling) decision style | 42.2 | 53.5 | −0.41 | 42.2 | 43.3 | −0.04 |
| Grade point average | 2.6 | 2.8 | −0.40 | 2.6 | 2.6 | 0.03 |
| Will go to college | 77.9 | 85.5 | −0.25 | 77.9 | 77.0 | 0.03 |
| Standardized test score | 71.8 | 74.3 | −0.25 | 71.8 | 71.9 | −0.01 |
| Interviewer’s assessment | 42.0 | 51.7 | −0.24 | 42.0 | 43.3 | −0.03 |
| Positive expectancies | 82.5 | 86.0 | −0.22 | 82.5 | 81.5 | 0.06 |
| Parent’s assessment | 78.3 | 81.2 | −0.21 | 78.3 | 78.0 | 0.02 |
| School attachment | 69.7 | 72.9 | −0.20 | 69.7 | 70.6 | −0.06 |
| Talk with mother | 45.3 | 51.0 | −0.19 | 45.3 | 43.9 | 0.04 |
| Parental monitoring | 65.5 | 70.0 | −0.16 | 65.5 | 66.3 | −0.03 |
| Private school | 4.3 | 7.5 | −0.16 | 4.3 | 3.1 | 0.06 |
| Parent college grad | 20.7 | 26.7 | −0.15 | 20.7 | 21.2 | −0.01 |
| Never truant | 79.3 | 85.0 | −0.14 | 79.3 | 78.9 | 0.01 |
| School strict on civil order | 28.4 | 34.1 | −0.12 | 28.4 | 29.7 | −0.03 |
| Household income ($1k) | 28.0 | 30.3 | −0.10 | 28.0 | 26.8 | 0.06 |
| Parental closeness | 78.4 | 79.4 | −0.08 | 78.4 | 78.4 | 0.00 |
| Conscientiousness | 72.1 | 73.2 | −0.07 | 72.1 | 71.9 | 0.01 |
| Friends’ risk behaviors | 27.6 | 29.8 | −0.07 | 27.6 | 27.9 | −0.01 |
| Know people with STIs | 30.2 | 33.0 | −0.06 | 30.2 | 25.6 | 0.10 |
| Ever pregnant | 3.4 | 4.6 | −0.06 | 3.4 | 3.6 | −0.01 |
| Parent employed | 63.8 | 66.5 | −0.06 | 63.8 | 59.8 | 0.08 |
| Ever have sexually transmitted infection | 2.6 | 3.1 | −0.03 | 2.6 | 3.3 | −0.05 |
| Northeast | 8.6 | 9.2 | −0.02 | 8.6 | 9.1 | −0.02 |
| South | 56.0 | 56.3 | 0.00 | 56.0 | 55.6 | 0.01 |
| Ever have sex | 37.9 | 37.7 | 0.00 | 37.9 | 38.1 | 0.00 |
| Height (inches) | 65.8 | 65.7 | 0.03 | 65.8 | 65.5 | 0.07 |
| Difficult problems make upset | 35.5 | 34.8 | 0.03 | 35.5 | 35.1 | 0.01 |
| Emotional stability | 81.8 | 81.4 | 0.03 | 81.8 | 81.8 | 0.00 |
| Born in US | 75.0 | 73.4 | 0.04 | 75.0 | 72.3 | 0.06 |
| Parent high school grad | 75.0 | 73.4 | 0.04 | 75.0 | 73.7 | 0.03 |
| Parent gets public assistance | 12.9 | 11.4 | 0.05 | 12.9 | 16.9 | −0.12 |
| Problem avoidance | 42.2 | 40.9 | 0.05 | 42.2 | 42.8 | −0.02 |
| Num. truant days | 0.8 | 0.6 | 0.07 | 0.8 | 1.0 | −0.10 |
| Enough money for bills | 64.7 | 60.8 | 0.08 | 64.7 | 64.1 | 0.01 |
| Sleep enough | 75.0 | 71.2 | 0.09 | 75.0 | 75.6 | −0.01 |
| West | 18.1 | 14.3 | 0.10 | 18.1 | 14.2 | 0.10 |
| Ever use cocaine | 3.4 | 1.6 | 0.10 | 3.4 | 2.3 | 0.06 |
| Daily smoker | 11.2 | 7.9 | 0.10 | 11.2 | 7.9 | 0.11 |
| Personal control | 28.5 | 26.1 | 0.11 | 28.5 | 27.7 | 0.04 |
| Parent binge drinks | 12.9 | 9.2 | 0.11 | 12.9 | 12.7 | 0.01 |
| Neighborhood support | 81.7 | 78.9 | 0.11 | 81.7 | 81.1 | 0.02 |
| Depression score | 12.4 | 11.6 | 0.12 | 12.4 | 12.2 | 0.03 |
| Parent smokes | 25.0 | 19.3 | 0.13 | 25.0 | 28.3 | −0.08 |
| Household member smokes | 38.8 | 31.3 | 0.15 | 38.8 | 37.2 | 0.03 |
| Ever use marijuana | 23.3 | 16.5 | 0.16 | 23.3 | 19.5 | 0.09 |
| Father ever in prison (2001) | 21.6 | 13.2 | 0.20 | 21.6 | 21.2 | 0.01 |
| Delinquency score | 1.8 | 1.4 | 0.21 | 1.8 | 1.7 | 0.05 |
| School strict on substance use | 39.7 | 29.0 | 0.22 | 39.7 | 42.1 | −0.05 |
| Agreeableness | 40.2 | 35.4 | 0.23 | 40.2 | 42.2 | −0.09 |
| Height*male | 29.7 | 21.4 | 0.24 | 29.7 | 26.7 | 0.09 |
| Male | 44.0 | 31.5 | 0.25 | 44.0 | 39.8 | 0.08 |
| Experiences with violence | 8.1 | 5.1 | 0.30 | 8.1 | 8.3 | −0.02 |
| Propensity score | 14.6 | 6.2 | 0.76 | 14.6 | 14.4 | 0.02 |