| | Variables | A | B | | Men | Women | Men | Women |
| | income(log) | −0.389* | −0.564* | −0.299* | −0.386* | | school | 0.0523*** | 0.141* | 0.0923* | 0.238* | | school2 | −0.00362*** | −0.0228* | −0.00537* | −0.0268* | | age | 0.282* | 0.77* | 0.346* | 0.893* | | age2 | −0.00256* | −0.00809* | −0.00363* | −0.0102* | | black | −0.969* | −2.11* | −1.02* | −2.19* | | asian | −0.905** | −3.91* | −0.887** | −3.61* | | mulatto | −0.362* | −0.841* | −0.374* | −0.863* | | married | −1.82* | −0.583* | −1.82* | −0.827* | | child | −0.247** | −0.762* | −0.128 | −0.415** | | famsize | −0.161* | −0.453* | −0.15* | −0.413* | | headfam | −0.446* | 1.88* | −0.448* | 1.5* | | urban | 0.987* | 1.65* | 0.833* | 1.38* | | south | 0.879* | 2.67* | 0.746* | 2.34* | | north | −1.0* | −2.68* | −1.06* | −2.66* | | central | −0.143 | 0.439** | −0.231** | 0.174 | | neast | −0.537* | −2.02* | −0.473* | −1.73* | | physd | 4.99* | 10.5* | | | | year2 | −1.04* | −1.29* | −0.919* | −0.920* | | year3 | −1.02* | −1.58* | −0.923* | −1.18* | | physd1 | | | 2.38* | 6.65* | | physd2 | | | 2.59* | 4.47* | | physd3 | | | 5.05* | 8.72* | | physd4 | | | 1.2* | 2.22* | | physd5 | | | 2.78* | 5.44* | | physd6 | | | 3.81* | 4.77* | | physd7 | | | 2.93* | 7.06* | | physd8 | | | 3.96* | 9.43* | | physd9 | | | 3.62* | 7.55* | | physd10 | | | 3.59* | 6.99* | | physd11 | | | 5.29* | 10.7* |
| | N | 239,776 | 262,169 | 239,776 | 262,169 | | Pseudo | 8.2 | 8.3 | 11.6 | 11.3 | | Log likelihood | −35252.7 | −77067.6 | −33970.5 | −74551.3 | | LR (d.f) | 316.93 (20) | 419.48 (30) |
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