\begin{tabular}{*{5}{l}}
 \hline
                &\multicolumn{2}{c}{Age Only} &\multicolumn{2}{c}{Age With Gender}   \\
                &Estimate &(S.E.)  &Estimate &(S.E.) \\
 \hline
 \hline
  (Intercept)    & -6.841  &   (4.596) &  4.628  &   (6.527) \\
  V043250        &  0.184*  &   (0.092) &  0.191*  &   (0.092) \\
  V041109A        & .       &         & -7.713*  &   (3.123) \\
 \hline 
 N                &1191      &      &1191      &       \\
 RMSE            &53.885        &&53.77        & \\
 $R^2$           &0.003        &&0.008        & \\
 adj $R^2$       &0.003        &&0.007        & \\
 \hline
 \hline
 
 \multicolumn{2}{l}{${*}  p \le 0.05$   }\\
 \end{tabular}