# Defining SMEs' 4.0 Readiness Indicators
## 9 Conclusions
\begin{table}
\begin{tabular}{c c c c c c c c c c} \hline \hline \multicolumn{1}{c}{**Digital Literacy**} & \multicolumn{2}{c}{**Big Data Analytics**} & \multicolumn{2}{c}{**Circular Economy**} & \multicolumn{2}{c}{**Information System**} & \multicolumn{2}{c}{**Radio Frequency**} & \multicolumn{2}{c}{**Tracking System**} & \multicolumn{2}{c}{**Cybersecurity**} & \multicolumn{2}{c}{**Predictive Maintenance**} \\ \hline Big Data Analytics & \begin{tabular}{c} Pearson Correlation \\ Sig. (1-tailed) \\ \end{tabular} & 1 & \(-0.081\) & \(0.585\)**\({}^{**}\)** & \(0.692\)**\({}^{**}\)** & \(0.473\)**\({}^{**}\)** & \(0.579\)**\({}^{**}\)** & \(0.432\)**\({}^{**}\)** \\ \hline \multirow{2}{*}{Circular Economy} & \begin{tabular}{c} Pearson Correlation \\ Sig. (1-tailed) \\ \end{tabular} & 0.325 & 0.000 & 0.000 & 0.002 & 0.000 & 0.005 \\ \hline \multirow{2}{*}{Information System} & \begin{tabular}{c} Pearson Correlation \\ Sig. (1-tailed) \\ \end{tabular} & \(-0.081\) & 1 & \(-0.091\) & 0.168 & 0.036 & \(-0.152\) & 0.084 \\  & Sig. (1-tailed) & 0.325 & 0.305 & 0.171 & 0.420 & 0.195 & 0.318 \\ \hline \multirow{2}{*}{Information System} & \
\begin{tabular}{c} Pearson Correlation \\ Sig. (1-tailed) \\ \end{tabular} & \(0.585\)**\({}^{**}\) & \(-0.091\) & 1 & \(0.413\)**\({}^{**}\)** & \(0.387\)**\({}^{*}\) & \(0.413\)**\({}^{**}\)** & \(0.398\)**\({}^{**}\) \\  & Sig. (1-tailed) & 0.000 & 0.305 & & 0.008 & 0.012 & 0.008 & 0.010 \\ \hline \hline \multicolumn{1}{c}{Radio Frequency} &
\begin{tabular}{c} Pearson Correlation \\ Sig. (1-tailed) \\ \end{tabular} & \(0.692\)**\({}^{**}\) & 0.168 & \(0.413\)**\({}^{**}\)** & 1 & \(0.721\)**\({}^{**}\)** & \(0.503\)**\({}^{**}\) & \(0.634\)**\({}^{**}\) \\  & Sig. (1-tailed) & 0.000 & 0.171 & 0.008 & & 0.000 & 0.001 & 0.000 \\ \hline \hline \end{tabular}
\end{table} 
Table 4: Pearson’s correlation. \begin{tabular}{c c c c c c c c c} \hline \hline \multicolumn{1}{c}{**Digital Literacy**} & \begin{tabular}{c} **Big Data** \\ **Analytics** \\ \end{tabular} & \begin{tabular}{c} **Circular** \\ **Economy** \\ \end{tabular} & \begin{tabular}{c} **Information** \\ **System** \\ \end{tabular} & \begin{tabular}{c} **Radio** \\ **Frequency** \\ **Identification** \\ \end{tabular} & \begin{tabular}{c} **Tracking** \\ **System** \\ \end{tabular} & \begin{tabular}{c} **Cybersecurity** \\ **Maintenance** \\ \end{tabular} \\ \hline \multirow{2}{*}{Tracking System} & \begin{tabular}{c} Pearson Correlation \\ Sig. (1-tailed) \\ \end{tabular} & 0.473 \({}^{**}\) & 0.036 & 0.387 \({}^{*}\) & 0.721 \({}^{**}\) & 1 & 0.572 \({}^{**}\) & 0.462 \({}^{**}\) \\  & \begin{tabular}{c} Sig. (1-tailed) \\ \end{tabular} & 0.002 & 0.420 & 0.012 & 0.000 & & 0.000 & 0.003 \\ \hline \multirow{2}{*}{Cybersecurity} & \begin{tabular}{c} Pearson Correlation \\ Sig. (1-tailed) \\ \end{tabular} & 0.579 \({}^{**}\) & \(-\)0.152 & 0.413 \({}^{**}\) & 0.503 \({}^{**}\) & 0.572 \({}^{**}\) & 1 & 0.336 \({}^{*}\) \\  & \begin{tabular}{c} Sig. (1-tailed) \\ \end{tabular} & 0.000 & 0.195 & 0.008 & 0.001 & 0.000 & 0.000 & 0.026 \\ \hline \multirow{2}{*}{Predictive Maintenance} & \
\begin{tabular}{c} Pearson Correlation \\ Sig. (1-tailed) \\ \end{tabular} & 0.432 \({}^{**}\) & 0.084 & 0.398 \({}^{**}\) & 0.634 \({}^{**}\) & 0.462 \({}^{**}\) & 0.336 \({}^{*}\) & 1 \\  &
\begin{tabular}{c} Sig. (1-tailed) \\ \end{tabular} & 0.005 & 0.318 & 0.010 & 0.000 & 0.003 & 0.026 & \\ \hline \hline \end{tabular}   
* \({}^{*}\)Correlation is significant at the 0.05 level (1-tailed). \({}^{**}\) Correlation is significant at the 0.01 level (1-tailed).