D. Sex "M" or "F" and age in years at last birthday and completed months since then (See Note 3).</p>
<div class="i1">Sex: _<br />Years ____<br />Months ____</div>
Categories
Value
Category
1
Male
2
Female
Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.