 = 0</p>
</dd>
<dt><code>tenancy</code></dt><dd><p>tenancy, indicating home ownership; yes = 1, no = 0</p>
</dd>
<dt><code>suppl.income</code></dt><dd><p>supplemental income, indicating whether
some form of supplemental security income is received; yes = 1, no = 0</p>
</dd>
<dt><code>income</code></dt><dd><p>monthly income (in US dollars)</p>
</dd>
</dl>



<h3>Source</h3>

<p>Data description and first analysis: Stefanski et al.(1986) who
indicate Rizek(1978) as original source of the larger study.
</p>
<p