     4 13      1a       5                   0     B    1a</span>
<span class="r-out co"><span class="r-pr">#&gt;</span>                         4 14      1a       1                   0     B    1a</span>
<span class="r-out co"><span class="r-pr">#&gt;</span>                         4 15      1a       2                   0     B    1a</span>
<span class="r-out co"><span class="r-pr">#&gt;</span>  gender migration first_language_german SDQ_TOTAL SDQ_EXTERNALIZING</span>
<span class="r-out co"><span class="r-p