Literal question
<span class="h2">B. For all persons in the household</span></p>
<p><span class="em">Do you have any difficulty with the following activities?</span><div class="i1">Q13. Walking/climbing stairs</div><div class="i2">[] 1. No difficulty<br />[] 2. Yes, some difficulty<br />[] 3. Yes, a lot of difficulty<br />[] 4. Cannot do at all</div>