\begin{table}%[!ht]%t2
%\centering
\par
%
%{1.3}
\caption{\label{table-results2}Mean values and 1-$\sigma$ errors for the analysis with
 the joint  variation of $\alpha$ and $m_{\rm e}$.}
\begin{tabular}{lcc}
\hline
\hline
Data set         & $\alpha/\alpha_0$ & $m_{\rm e}/m_{{\rm e}0}$   \\
\hline
%CMB (no BICEP) + 2dF  &   0.993 $\pm$ 0.010 & 1.016$\pm$ 0.041  \\
all CMB               &   0.986 $\pm$ 0.010  &  $\rm 1.015_{-0.074}^{+0.075}$  \\
all CMB + $H_0$         &   0.986 $\pm$ 0.010  & 1.044 $\pm$ 0.029  \\
all CMB + Sloan $P(k)$  &   0.986 $\pm$ 0.009  & 0.999 $\pm$ 0.035   \\
\hline
\end{tabular}
 \end{table}