the last completed inch</p>
</dd>
<dt><code>wt.1</code></dt><dd><p>mother's prepregnancy weight (in pounds)</p>
</dd>
<dt><code>drace</code></dt><dd><p>father's race</p>
</dd>
<dt><code>dage</code></dt><dd><p>father's age (in years)</p>
</dd>
<dt><code>ded</code></dt><dd><p>father's education</p>
</dd>
<dt><code>dht</code></dt><dd><p>father's height in inches to the last completed inch</p>
</dd>
<dt><code>dwt</code></dt><dd><p>father's weight (in pounds)</p>
</dd>
<dt><code>marital</code></dt><dd><p>marital