 co"><span class="r-pr">#&gt;</span> 3        period    3 (1.4)     3 (1.4)          0      0     8 (1.4)</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> 4  Observations        275         265                           275</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> 5 # Individuals         55          53                            55</span>
<span class="r-out co"><span class="r-pr">#&gt;</span>       cond: 0 Difference t-stat</span>
<span class="r-out co"><span class="r-pr">#