Table 6.

a Estimated Impacts on Percentage Employed Subgroup: Boys, Age 12–20 Local Linear matching†
Age in 2002	BW	Avg Trt in 2002	Avg Con in 2002	1 Year DID Match	2 Year DID Match	1 Year DID	2 Year DID	% Obs in Support~	%Obs in Support~~	1 Year Obs T+C	2 Year Obs T+C
12–14	.3	10	6	−7.7 (2.7)	−12.4 (3.6)	−6.9 (2.4)	−13.4 (3.0)	97	97	938	857
15–18	.3	44	42	2.8 (5.9)	−5.1 (8.2)	0.6 (4.4)	−6.8 (5.2)	95	95	548	469
19–20	.3	81	78	−5.9 (9.9)	−15.4 (15.2)	3.1 (6.1)	−6.0 (9.4)	96	96	132	107
6–20	.3	28	24	−4.1 (2.6)	−10.3 (3.6)	−3.6 (2.1)	−10.8 (2.5)	96	96	1618	1433

b Estimated Impacts on Percentage Employed Subgroup: Girls, Age 12–20 Local Linear matching†
Age in 2002	BW	Avg Trt in 2002	Avg Con in 2002	1 Year DID Match	2 Year DID Match	1 Year DID	2 Year DID	% Obs in Support~	%Obs in Support~~	1 Year Obs T+C	2 Year Obs T+C
12–14	.3	10	5	0.7 (2.6)	−1.0 (2.8)	0.3 (1.9)	−1.1 (2.4)	97	97	886	787
15–18	.3	27	18	−10.5 (6.5)	0.4 (9.2)	−5.8 (4.1)	0.2 (5.0)	97	97	562	452
19–20	.3	32	22	−5.0 (8.0)	8.7 (23.6)	−4.9 (7.5)	−0.3 (9.9)	95	96	116	92
6–20	.3	17	11	−3.8 (2.7)	0.2 (3.8)	−2.3 (1.8)	−0.6 (2.2)	97	97	1564	1331

^†Difference-in-Difference estimator, imposing common support (2% trimming)

Standard errors based on bootstrap with 500 replications

^~Percentage of observations in the support region for 1-year estimations

^~~Percentage of observations in the support region for 2-year estimations

^†Difference-in-Difference estimator, imposing common support (2% trimming)

Standard errors based on bootstrap with 500 replications

^~Percentage of observations in the support region for 1-year estimations

^~~Percentage of observations in the support region for 2-year estimations