Table 5.

Estimated Differences in Earnings by Job Skills Training Receipt Status among Government-Sponsored Employment Program Participants from Inverse Probability of Treatment Weighted Mixed Effects Regression Models, National Longitudinal Survey of Youth 1979.

	Model 1: IPTW Model		Model 2: IPTW Model w/ Regression Adjustment		Model 3: IPTW Model w/ Inverse Mills Ratios
	log(earnings)	SE	log(earnings)	SE	log(earnings)	SE
Fixed Effects
Job-skills training	0.404†	0.237	0.528**	0.194	0.495*	0.194
Year	−0.014	0.010	−0.019	0.012	0.009	0.012
Year2	−0.004***	0.001	−0.002*	0.001	−0.002*	0.001
Sex (ref: Male)			−1.507***	0.195	−0.625	0.380
Race (ref: White)
Black			−0.893***	0.230	−0.335	0.304
Hispanic			−0.478†	0.248	−0.161	0.275
Highest grade completed (ref: 0–8)
9–11			0.289	0.496	−0.188	0.485
12			1.223*	0.508	0.109	0.582
13+			2.172***	0.506	0.376	0.774
Age of youngest child (ref: no child)
Age 0			0.180	0.286	0.339	0.290
Ages 1–5			−1.039***	0.283	−0.201	0.460
Ages 6+			0.142	0.179	0.140	0.176
Health limitation (ref: no)			−3.071***	0.448	0.249	1.510
Inverse mills ratio					−5.945**	2.177
Constant	7.938***	0.169	7.685***	0.609	10.249***	1.038
Random Effects
Level-1 error	3.500	0.083	3.427	0.105	3.415	0.098
Intercept	2.709	0.099	2.064	0.105	2.034	0.103
F-test Statistics	6.24***	–	21.28***	–	24.25***	–

Notes. IPTW = Inverse Probability of Treatment Weighting. Insignificant covariates (school enrollment status, urbanicity of residence) were removed from the model with regression adjustments. The final models include marital status and spousal income for estimation conversion.

^†< .1

^*p < .05

^**p < .01

^***p < .001.