& \multicolumn{1}{c}{(1)}     & \multicolumn{1}{c}{(2)}     & \multicolumn{1}{c}{(3)}     \\
\midrule
\emph{First Control Set} &                             &                             &                             \\
Variable 1              & 1.85\sym{***}               & 0.92\sym{***}               & 1.11\sym{***}               \\
                        & (0.34)                      & (0.24)                      & (0.14)                      \\
Variable 2              & 0.07\sym{***}               & 0.07\sym{***}               & 0.07\sym{***}               \\
                        & (0.01)                      & (0.02)                      & (0.01)                      \\
Variable 3              & -0.02                       & -0.01\sym{**}               & -0.01\sym{**}               \\
                        & (0.01)                      & (0.00)                      & (0.00)                      \\
\emph{Second Control Set} &                             &                             &                             \\
Variable 4              & -0.50\sym{*}                & 0.28\sym{**}               & -0.28\sym{**}               \\
                        & (0.23)                      & (0.08)                      & (0.08)                      \\
Variable 5              & -0.31\sym{***}              & -0.22\sym{***}              & -0.22\sym{***}              \\
                        & (0.06)                      & (0.02)                      & (0.02)                      \\
\midrule
AIC                     & \multicolumn{1}{c}{60000}   & \multicolumn{1}{c}{60000}   & \multicolumn{1}{c}{60000}   \\
Observations  & \multicolumn{1}{c}{50000} & \multicolumn{1}{c}{50000} & \multicolumn{1}{c}{50000} \\