## 3 Results
\begin{table}
\begin{tabular}{c c c c c c c c} \hline  & & **N** & **Mean** & **Std. Deviation** & \multicolumn{3}{c}{**95\% Confidence Interval for Mean**} & \\ \cline{3-8}  & & & & & **Lower Bound** & **Upper Bound** & **Sig.** \\ \hline \hline \multirow{4}{*}{\begin{tabular}{c} Regio 2\({}^{\prime}\) \\ C2-IPP \\ \end{tabular} } & 15–20 & 17 & 13.38 & 1.07 & 12.83 & 13.94 & \multirow{4}{*}{0.003} \\  & 21–30 & 19 & 14.94 & 1.06 & 14.42 & 15.45 & \\ \cline{2-8}  & 31–40 & 13 & 14.65 & 0.89 & 14.11 & 15.19 & \\ \cline{2-8}  & 40+ & 16 & 14.46 & 1.70 & 13.55 & 15.36 & \\ \cline{2-8}  & Total & 65 & 14.35 & 1.34 & 14.02 & 14.69 & \\ \hline \multirow{4}{*}{\begin{tabular}{c} Regio 3\({}^{\prime}\) \\ CP-IPP \\ \end{tabular} } & 15–20 & 17 & 12.37 & 0.73 & 12.00 & 12.75 & \multirow{4}{*}{0.003} \\  & 21–30 & 19 & 12.57 & 0.96 & 12.11 & 13.04 & \\ \cline{2-8}  & 31–40 & 13 & 13.07 & 0.84 & 12.57 & 13.58 & \\ \cline{2-8}  & 40+ & 16 & 12.26 & 0.56 & 11.96 & 12.56 & \\ \cline{2-8}  & Total & 65 & 12.54 & 0.83 & 12.34 & 12.75 & \\ \hline \multirow{4}{*}{\begin{tabular}{c} Regio 1\({}^{\prime}\) \\ IDW \\ \end{tabular} } & 15–20 & 17 & 14.76 & 0.86 & 14.32 & 15.20 & \multirow{4}{*}{0.023} \\  & 21–30 & 19 & 15.65 & 1.33 & 15.01 & 16.29 & \\ \cline{2-8}  & 31–40 & 13 & 15.81 & 1.14 & 15.12 & 16.50 & \\ \cline{2-8}  & 40+ & 16 & 14.97 & 1.03 & 14.42 & 15.51 & \\ \cline{2-8}  & Total & 65 & 15.28 & 1.17 & 14.99 & 15.57 & \\ \hline \multirow{4}{*}{\begin{tabular}{c} Regio 2\({}^{\prime}\) \\ IDW \\ \end{tabular} } & 15–20 & 17 & 2.02 & 0.53 & 1.75 & 2.30 & \multirow{4}{*}{0.025} \\  & 21–30 & 19 & 2.60 & 0.63 & 2.29 & 2.91 & \\ \cline{2-8}  & 31–40 & 13 & 2.57 & 0.71 & 2.14 & 3.00 & \\ \cline{2-8}  & 40+ & 16 & 2.52 & 0.31 & 2.35 & 2.68 & \\ \cline{2-8}  & Total & 65 & 2.42 & 0.60 & 2.27 & 2.57 & \\ \hline \multirow{4}{*}{\begin{tabular}{c} Regio 2\({}^{\prime}\) \\ IDW \\ \end{tabular} } & 15–20 & 17 & 1.80 & 0.58 & 1.50 & 2.10 & \multirow{4}{*}{0.039} \\  & 21–30 & 19 & 2.24 & 0.62 & 1.94 & 2.54 & \\ \cline{2-8}  & 31–40 & 13 & 2.25 & 0.62 & 1.88 & 2.63 & \\ \cline{2-8}  & 40+ & 16 & 1.85 & 0.44 & 1.62 & 2.09 & \\ \cline{2-8}  & Total & 65 & 2.03 & 0.60 & 1.88 & 2.18 & \\ \hline \multirow{4}{*}{\begin{tabular}{c} Regio 1\({}^{\prime}\) \\ IDW \\ \end{tabular} } & 15–20 & 17 & 1.44 & 0.58 & 1.15 & 1.74 & \multirow{4}{*}{0.014} \\  & 21–30 & 19 & 1.99 & 0.63 & 1.68 & 2.29 & \\ \cline{2-8}  & 31–40 & 13 & 1.93 & 0.64 & 1.55 & 2.32 & \\ \cline{2-8}  & 40+ & 16 & 1.52 & 0.45 & 1.28 & 1.76 & \\ \cline{2-8}  & Total & 65 & 1.72 & 0.62 & 1.57 & 1.87 & \\ \hline \multirow{4}{*}{\
\begin{tabular}{c} Regio 1\({}^{\prime}\) \\ BPD \\ \end{tabular} } & Male & 23 & 2.54 & 0.47 & 2.34 & 2.74 & \multirow{4}{*}{0.048} \\  & Female & 42 & 2.36 & 0.66 & 2.16 & 2.57 & \\ \cline{2-8}  & Total & 65 & 2.42 & 0.59 & 2.27 & 2.57 & \\ \hline \multirow{4}{*}{
\begin{tabular}{c} Regio 2\({}^{\prime}\) \\ BPD \\ \end{tabular} } & 15–20 & 17 & 7.77 & 1.96 & 6.76 & 8.78 & \multirow{4}{*}{0.022} \\  & 21–30 & 19 & 6.37 & 1.33 & 5.73 & 7.01 & \\ \cline{2-8}  & 31–40 & 13 & 6.85 & 1.00 & 6.25 & 7.45 & \\ \cline{2-8}  & 40+ & 16 & 7.05 & 1.15 & 6.43 & 7.66 & \\ \cline{2-8}  & Total & 65 & 7.00 & 1.49 & 6.63 & 7.37 & \\ \cline{2-8}  & Male & 23 & 7.90 & 0.97 & 7.49 & 8.33 & \\ \cline{2-8}  & Female & 42 & 7.38 & 0.82 & 7.12 & 7.63 & \\ \cline{2-8}  & Total & 65 & 7.57 & 0.91 & 7.34 & 7.79 & \\ \cline{2-8}  & Male & 23 & 7.56 & 0.92 & 7.16 & 7.96 & \\ \cline{2-8}  & Female & 42 & 7.10 & 0.74 & 6.87 & 7.33 & \\ \cline{2-8}  & 40+ & 16 & 7.26 & 0.83 & 7.05 & 7.47 & \\ \hline \end{tabular}
\end{table}