Table 2: Estimates of the multinomial regression model for the propensity to migrate due to different reasons. Relative risk ratio<sup>15</sup> (RRR) and standard errors (in parentheses)<sup>16</sup>

|||Wom<br>|en<br>|||Me<br>|n<br>||
|---|---|---|---|---|---|---|---|---|
||Economic<br>reasons|Family<br>reunification|Crime or<br>violence|Other|Economic<br>reasons|Family<br>reunification|Crime or<br>violence|Other|
|age: [25-34]|41.61***|2.951***|4.746***|1.115|26.20***|2.453***|1.632|1.569***|
||(16.38)|(0.295)|(1.932)|(0.180)|(7.058)|(0.320)|(0.490)|(0.239)|
|age: [35-44]|22.93***|1.864***|4.069***|0.916|16.13***|1.660***|1.759*|1.199|
||(9.044)|(0.187)|(1.638)|(0.146)|(4.360)|(0.223)|(0.536)|(0.180)|
|age: [45-54]|9.609***|1.217*|2.942***|0.854|9.412***|1.324**|1.120|1.161|
||(3.828)|(0.122)|(1.204)|(0.135)|(2.558)|(0.179)|(0.345)|(0.178)|
|age: [55-64]|3.778***|1.122|3.721***|0.699**|4.400***|1.187|1.053|1.025|
||(1.596)|(0.121)|(1.574)|(0.121)|(1.240)|(0.167)|(0.323)|(0.161)|
|Afrodescendant|1.216|1.184|1.273|1.313|1.594***|1.352*|0.828|0.813|
||(0.252)|(0.167)|(0.387)|(0.291)|(0.191)|(0.232)|(0.242)|(0.201)|
|Ethnicity|1.040|1.314***|1.670***|1.490***|1.126**|1.452***|2.038***|1.516***|
||(0.0900)|(0.0735)|(0.257)|(0.142)|(0.0642)|(0.101)|(0.333)|(0.151)|
|Single|1.105*|0.405***|0.396***|1.134|0.646***|0.616***|0.819|0.801*|
||(0.0961)|(0.0364)|(0.103)|(0.130)|(0.0452)|(0.0632)|(0.180)|(0.0958)|
|Young children|0.615***|0.751***|1.291*|0.906|0.650***|0.745***|1.150|0.648***|
||(0.0432)|(0.0395)|(0.183)|(0.0781)|(0.0320)|(0.0491)|(0.171)|(0.0528)|
|Secondary education|0.956|1.148**|1.789***|1.181|1.360***|1.016|1.879***|1.385***|
||(0.0876)|(0.0645)|(0.312)|(0.124)|(0.0845)|(0.0697)|(0.292)|(0.138)|
|Tertiary education|1.657***|1.250***|3.031***|1.626***|2.364***|0.958|3.167***|1.770***|
||(0.158)|(0.0902)|(0.590)|(0.189)|(0.157)|(0.0805)|(0.564)|(0.198)|

15 The relative risk ratio (RRR) measures the association between an explanatory variable (factor) and the outcome variable. In this case, the RRR represents the change in the likelihood that a woman or men had migrated due to any of the reasons established associated with a one-unit change in the corresponding explanatory variable. A relative risk ratio (RRR) equal to 1 indicates that exposure to the factor does not affect the relative probability, a RRR greater than 1 indicates a positive association and that exposure to the factor increases the relative probability, and a RRR less than 1 indicates a negative association and that exposure to the factor decreases the relative probability.

> 16 The variable “Causes of Migration” available in the Census data allows distinguishing between economic reasons, family reunification, crime, studies, natural disasters, and other reasons. As shown in section 5.2.2, the category “Other” in the multinomial model includes studies, natural disasters, and other reasons. We explored the possibility of having studies and natural disasters as independent categories. However, the number of observations in each subgroup does not allow for having them separately. In fact, when running the multinomial model with studies and natural disasters as independent categories, the model does not converge, or the variance matrix is highly singular, and therefore, the standard errors cannot be estimated.

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