| 2002 |  |  |  | 2008 |  |  |  | 2011 |  |  |  | All |  |  |  |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Sociodemographics | NI (N = 2148) 24.6% | V (N = 2666) 33.6% | P (N = 688) 8.0% | VP(N = 2603) 30.0% | NI (N = 2666) 27.5% | V (N = 2821) 28.7% | P (N = 892) 8.9% | VP(N = 2861) 31.5% | NI (N = 3216) 33.1% | V (2729) 28.6% | P (N = 924) 9.3% | VP (N = 2312) 22.5% | NI (N = 8030) 30.8% | V (N = 8217) 29.8% | P(N = 2504) 9.0% | VP(N = 7776) 24.6% |
Gender | ||||||||||||||||
 Boy | 36,0% | 31,9% | 66,7% | 52,7% | 41,5% | 39,9% | 60,9% | 56,9% | 42,3% | 35,9% | 67,3% | 60,9% | 41,0% | 35,0% | 67,0% | 58,3% |
 Girl | 64,0% | 68,1% | 33,3% | 47,3% | 58,5% | 60,1% | 39,1% | 43,1% | 57,7% | 64,1% | 32,7% | 39,1% | 59,0% | 65,0% | 33,0% | 41,7% |
Age (M and SD) | 15.77(0.1) | 15.95(0.1) | 16.08(0.1) | 16.08(0.1) | 16.04(0.1) | 16.12(0.1) | 16.02(0.1) | 16.41(0.1) | 15.99(0.1) | 16.07(0.1) | 16.00(0.1) | 16.36(0.1) | 15.95(0.1) | 16.04(0.1) | 16.02(0.1) | 16.28(0.1) |
Race | ||||||||||||||||
 Black | 78,5% | 77,9% | 73,7% | 82,9% | 82,6% | 80,6% | 78,9% | 81,9% | 84,5% | 84,5% | 79,8% | 85,7% | 83,2% | 82,6% | 78,5% | 84,7% |
 Mixed heritage | 8,7% | 10,7% | 9,9% | 8,9% | 7,4% | 10,8% | 11,3% | 11,3% | 5,8% | 7,8% | 8,6% | 8,1% | 6,4% | 8,7% | 8,9% | 8,5% |
 Indian | 1,4% | 0,9% | 2,2% | 1,2% | 1,8% | 1,3% | 2,3% | 1,6% | 2,5% | 1,3% | 2,3% | 1,6% | 2,3% | 1,2% | 2,3% | 1,5% |
 White | 10,9% | 9,2% | 12,6% | 6,0% | 7,9% | 6,9% | 6,7% | 4,7% | 6,2% | 5,3% | 8,5% | 3,6% | 7,2% | 6,4% | 9,3% | 4,4% |
 Other | 0,5% | 1,3% | 1,6% | 1,0% | 0,3% | 0,4% | 0,8% | 0,5% | 1,0% | 1,2% | 0,9% | 1,0% | 0,9% | 1,2% | 1,0% | 1,0% |
Parental absence | ||||||||||||||||
 Father absence | 15,0% | 17,0% | 13,7% | 15,4% | 8,4% | 10,0% | 9,5% | 7,5% | 11,2% | 10,4% | 9,0% | 9,5% | 11,3% | 12,4% | 10,5% | 10,8% |
 Mother absence | 2,6% | 2,8% | 4,0% | 3,9% | 2,5% | 3,2% | 2,4% | 4,1% | 3,7% | 4,4% | 3,0% | 4,3% | 3,0% | 3,5% | 3,0% | 4,1% |
 Both parents absence | 1,0% | 1,5% | 1,0% | 1,8% | 2,5% | 2,2% | 2,5% | 2,4% | 2,0% | 2,8% | 2,1% | 3,7% | 1,9% | 2,2% | 1,9% | 2,6% |
Academic performance (M and SD) | 4.21(0.1) | 4.15(0.1) | 4.16(0.1) | 4.17(0.0) | 4.08(0.1) | 4.01(0.1) | 3.94(0.1) | 4.02(0.1) | 3.93(0.1) | 3.89(0.1) | 3.83(0.1) | 3.83(0.1) | 4.00(0.0) | 4.00(0.0) | 3.91(0.1) | 3.94(0.0) |
Monthly allowance (M and SD) | 3.99(0.2) | 3.93(0.1) | 3.93(0.2) | 3.92(0.1) | 3.64(0.1) | 3.55(0.1) | 3.96(0.2) | 3.35(0.1) | 3.76(0.1) | 3.65(0.1) | 4.00(0.2) | 3.51(0.1) | 3.80(0.1) | 3.72(0.1) | 3.98(0.1) | 3.62(0.1) |