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. Author manuscript; available in PMC: 2011 Jul 5.
Published in final edited form as: Perspect Psychol Sci. 2010;5(5):585–605. doi: 10.1177/1745691610383502

Table 2.

Marginal Effects of Endowments on Outcomes, by Educational Level: Cognitive Ability Only

Males
Females
Variable Three-factor
model
Cognitive ability
only
Three-factor
model
Cognitive ability
only
Education 0.205
(2.446)
0.238
(2.524)
0.195
(3.732)
0.220
(3.823)
Daily smoking (C) 0.062
(2.133)
−0.045
(−2.041)
0.017
(0.580)
−0.045
(−1.918)
Daily smoking (PC) −0.009
(−0.276)
−0.054
(−1.931)
−0.007
(−0.266)
−0.050
(−1.927)
Poor health (C) 0.017
(0.794)
−0.045
(−2.382)
−0.052
(−1.957)
−0.081
(−2.918)
Poor health (PC) −0.037
(−1.221)
−0.045
(−1.634)
−0.017
(−0.700)
−0.040
(−1.687)
Obesity (C) 0.014
(0.688)
−0.022
(−1.370)
−0.012
(−0.407)
−0.063
(−2.651)
Obesity (PC) −0.007
(−0.251)
−0.009
(−0.393)
0.039
(1.160)
−0.021
(−0.847)

Note. Adapted from Conti, Heckman, and Urzua (2010a, 2010b). This table displays unstandardized coefficients. The three-factor-model column displays the same results as Table 1 (the "Cognitive" column). The cognitive-ability-only column displays the estimated marginal effects of the cognitive factor on the outcomes for a model that does not include the noncognitive and health factors. Numbers in parentheses are t statistics. C = compulsory; PC = post-compulsory.