2003_p, cchs2005_p, cchs2007_2008_p, cchs2009_2010_p, cchs2010_p, cchs2011_2012_p, cchs2012_p, "| __truncated__ ...</span>
<span class="r-out co"><span class="r-pr">#&gt;</span>  $ variableStart          : chr  "DerivedVar::[PAC_4A_cont, PAC_4B_cont]" "DerivedVar::[PAC_7, PAC_7A, PAC_7B_cont, PAC_8, PAC_8A, PAC_8B_cont]" "DerivedVar::[PAYDVTTR, PAADVTRV]" "DerivedVar::[PAC_4A_cont, PAC_4B_cont, PAC_7, PAC_7A, PAC_7B_cont, PAC_8, PAC_8A, PAC_8B_cont, PAYDVTTR, PAADVTRV]" ...</span>
<span class="r-out co"><sp