LaTeX Forum

\documentclass[11pt,a4,twoside]{article}
\usepackage{color,colortbl,array,tabularx,booktabs}

\setlength\extrarowheight{4pt}
\arrayrulecolor{white}
\doublerulesepcolor{lgray}
\setlength\arrayrulewidth{1pt}
\newcolumntype{Z}{>{\centering\arraybackslash}X}


\begin{document} 

\begin{tabularx}{16cm}{p{2.8cm}|Z|Z|Z|Z|Z|Z|Z|}
\hline \hline \rowcolor{lgray}


{\bf Position} & \multicolumn{4}{>{\columncolor{lgray}}c|}{\bf 1st funding period} & \multicolumn{3}{>{\columncolor{lgray}}c|}{\bf 2nd funding period}\\
\hline
\rowcolor{lgray}
& \small {\bf Female share [\%]}  \newline Reference date: Application for 1st funding period	
	&  \multicolumn{2}{c}{\small {\bf Number status quo} Reference date: application for 2nd funding period}

		& \small {\bf Female share [\%] status quo} Reference date: Application for 2nd funding period 
				&  \multicolumn{2}{c}{\small {\bf Number}}
				 
				 	&  \small {\bf  Female share [\%]}\\
\rowcolor{lgray}
& & m & f & & m & f & \\
		
\hline \hline 
Postdoctoral \newline researchers & - & - & - & - & - & - & - \\
\rowcolor{lgray}
Group leaders, junior group \newline leaders, junior professors & - & - & - & - & - & - & - \\

Total & - & - & - & - & - & - & - \\

\hline \hline

\end{tabularx}

\end{document}

\multicolumn{2}{>{\setlength\hsize{\dimexpr2\hsize+2\tabcolsep+\arrayrulewidth\relax}}Z}{\small \textbf{Number status quo} Reference date: application for 2nd funding period}