\begin{table}%t7
\caption{\label{spearman-tests-fo2}Spearman rank test results for early-type fraction versus fraction of [OII]~emitters.}
%\centering
\small
\begin{tabular}{lccc}
\hline\hline\noalign{\smallskip}
Cluster sample & $N_{\rm cl}$ & $R_{\rm s}$ & $p$-value\\
 (1) & (2) & (3) & (4)\\
\hline
\noalign{\smallskip}
SDSS (All) & 158 & $-$0.63 & 4.33 $\times$ $10^{-19}$\\
SDSS ($\sigma < 600)$ & 108 & $-$0.57 & 1.50 $\times$ $10^{-10}$\\
SDSS ($\sigma \geq 600)$ & 50 & $-$0.77 & 6.04 $\times$ $10^{-11}$\\
EDisCS (All) & 18 & $-$0.74 & 0.00043\\
EDisCS ($\sigma < 600)$  & 11 & $-$0.78 & 0.0043\\
EDisCS ($\sigma \geq 600)$  & 7 & $-$0.77 & 0.0438\\
\hline
\end{tabular}
\end{table}