n><span class="op">:</span><span class="fl">5</span><span class="op">]</span></span>
<span><span class="co">#&gt;                         Group HAZ_pop HAZ_unwpop HA_3_r  HA_3_se</span></span>
<span><span class="co">#&gt; 1                         All       4          4     25 25.00000</span></span>
<span><span class="co">#&gt; 2         Age group: 00-05 mo       0          0     NA       NA</span></span>
<span><span class="co">#&gt; 3         Age group: 06-11 mo       0          0     NA       NA</span></s