Table 5 Cox model results for male household heads’ duration in the last trip (selected variables)

Schooling

0.911***

0.957***

0.958***

0.959***

0.961***

(0.013)

(0.014)

(0.014)

(0.014)

(0.014)

Schooling squared

1.004***

1.003***

1.003***

1.003***

1.003***

(0.001)

(0.001)

(0.001)

(0.001)

(0.001)

Consensual union

0.813***

0.823***

0.824***

0.824***

0.825***

(0.046)

(0.049)

(0.049)

(0.049)

(0.049)

Never married

0.431***

0.456***

0.458***

0.460***

0.470***

(0.062)

(0.065)

(0.066)

(0.067)

(0.069)

Once married but not now

0.552***

0.584***

0.586***

0.588***

0.604***

(0.087)

(0.094)

(0.095)

(0.095)

(0.098)

Num. of children under 18

1.019**

(0.010)

Num. of daughters under 18

1.010

(0.015)

Num. of sons under 18

1.033**

(0.015)

Num. of children aged 0–4

1.030

(0.024)

Num. of children aged 5–8

1.053**

(0.024)

Num. of children aged 9–12

1.054**

(0.025)

Num. of children aged 13–16

0.990

(0.027)

Num. of children aged 17–18

1.007

(0.042)

Total num. of US trips

1.053***

1.059***

1.060***

1.060***

1.060***

(0.005)

(0.005)

(0.005)

(0.005)

(0.005)

Distance (Mexico-US)

0.9996***

0.9996***

0.9996***

0.9996***

0.9996***

(0.00004)

(0.00005)

(0.00005)

(0.00005)

(0.00005)

IRCA

1.027

1.078*

1.095**

1.095**

1.115***

(0.039)

(0.042)

(0.044)

(0.044)

(0.045)

English proficiency

0.714***

0.714***

0.715***

0.715***

(0.011)

(0.011)

(0.011)

(0.011)

Searched job

0.930*

0.931*

0.929*

0.930*

(0.035)

(0.035)

(0.035)

(0.035)

Contracted job

1.552***

1.556***

1.556***

1.554***

(0.109)

(0.109)

(0.109)

(0.109)

Other job

0.694

0.708

0.710

0.718

(0.166)

(0.168)

(0.169)

(0.168)

No job

1.516**

1.519**

1.506**

1.529**

(0.299)

(0.304)

(0.303)

(0.308)

Log pseudolikelihood

–28,839.38

–28,539.58

–28,535.69

–28,534.58

–28,528.17

Num. of obs

4894

4894

4894

4894

4894