## 3 Results
### Perception of Health and Sleep Disturbances
\begin{table}
\begin{tabular}{p{113.8 pt} p{113.8 pt} p{113.8 pt} p{113.8 pt} p{113.8 pt} p{113.8 pt} p{113.8 pt}} \hline \hline
**2017** & **SoWD (n = 82)** & \multicolumn{3}{p{113.8 pt}}{**WaSaD (n = 212)**} & \multicolumn{3}{p{113.8 pt}}{**Shift Type Effect**} \\ \hline COPSOQ \(\lx@sectionsign\) & \begin{tabular}{c} **Fixed Night** \\ **(n = 33)** \\ \end{tabular} & \begin{tabular}{c} **Fixed Early** \\ **Morning** \\ **(n = 51)** \\ \end{tabular} & \begin{tabular}{c} **Fixed** \\ **(n = 127)** \\ \end{tabular} & \begin{tabular}{c} **Rotating** \\ **(n = 89)** \\ \end{tabular} & \begin{tabular}{c} **Total** \\ **(n = 294)** \\ \end{tabular} & \begin{tabular}{c} **F or H** \\ **Statistic** \\ \end{tabular} & \(p\) \\ \hline \begin{tabular}{l} Cognitive \\ demands \\ \end{tabular} & 2.65 (0.68) & 2.61 (0.44) & 2.85 (0.53) & 2.76 (0.53) & 2.76 (0.54) & 2.978 \({}^{\text{a,c}}\) & 0.032 \({}^{\text{*}}\) \\ \hline Horizontal trust & 2.45 (0.66) & 2.27 (0.48) & 2.32 (0.52) & 2.43 (0.59) & 2.36 (0.56) & 3.081 \({}^{\text{a,d}}\) & 0.028 \({}^{\text{*}}\) \\ \hline \
\begin{tabular}{l} Offensive \\ behaviors \\ \end{tabular} & 2.59 (0.80) & 2.54 (0.56) & 2.74 (0.66) & 2.58 (0.61) & 2.64 (0.65) & 2.651 \({}^{\text{b}}\) & 0.052 \\ \hline
\begin{tabular}{l} COPSOQ \(\lx@sectionsign\) \\ from colleagues \\ \end{tabular} & 2.78 (0.44) & 2.78 (0.38) & 2.72 (0.44) & 2.78 (0.40) & 2.75 (0.42) & 1.987 \({}^{\text{a}}\) & 0.116 \\ \hline Auto-efficacy & 2.83 (0.76) & 2.39 (0.41) & 2.47 (0.50) & 2.58 (0.61) & 2.53 (0.57) & 0.091 \({}^{\text{a}}\) & 0.965 \\ \hline Meaning of work & 3.14 (0.63) & 2.89 (0.36) & 2.82 (0.55) & 2.83 (0.44) & 2.87 (0.51) & 3.705 \({}^{\text{b,d}}\) & 0.014 \({}^{\text{*}}\) \\ \hline Job satisfaction & 2.59 (0.80) & 2.54 (0.56) & 2.74 (0.66) & 2.58 (0.61) & 2.64 (0.65) & 1.890 \({}^{\text{b}}\) & 0.135 \\ \hline
**2019** & **SoWD (n = 94)** & \multicolumn{3}{p{113.8 pt}}{**WaSaD (n = 196)**} & \multicolumn{3}{p{113.8 pt}}{**Shift type effect**} \\ \hline COPSOQ \(\lx@sectionsign\) & \begin{tabular}{c} **Fixed night** \\ **(n = 36)** \\ \end{tabular} & \begin{tabular}{c} **Fixed early** \\ **morning** \\ **(n = 58)** \\ \end{tabular} & \begin{tabular}{c} **Fixed early** \\ **daytime** \\ **(n = 79)** \\ \end{tabular} & \begin{tabular}{c} **Rotating** \\ **(n = 79)** \\ \end{tabular} & \begin{tabular}{c} **Total** \\ **(n = 290)** \\ \end{tabular} & \begin{tabular}{c} **F or H** \\ **statistic** \\ \end{tabular} & \(p\) \\ \hline \begin{tabular}{l} Cognitive \\ demands \\ \end{tabular} & 2.68 (0.67) & 2.64 (0.50) & 2.86 (0.51) & 2.72 (0.57) & 2.76 (0.55) & 2.789 \({}^{\text{a,e}}\) & 0.041 \({}^{\text{*}}\) \\ \hline Horizontal trust & 2.70 (0.32) & 2.81 (0.42) & 2.77 (0.38) & 2.70 (0.36) & 2.75 (0.38) & 1.381 \({}^{\text{a}}\) & 0.249 \\ \hline \
\begin{tabular}{l} Offensive \\ behaviors \\ \end{tabular} & 1.04 (0.18) & 1.01 (0.07) & 1.07 (0.26) & 1.07 (0.28) & 1.06 (0.23) & 3.085 \({}^{\text{b,e}}\) & 0.030 \({}^{\text{*}}\) \\ \hline
\begin{tabular}{l} COPSOQ \(\lx@sectionsign\) \\ from colleagues \\ \end{tabular} & 2.46 (0.45) & 2.43 (0.37) & 2.52 (0.43) & 2.47 (0.39) & 2.48 (0.41) & 0.768 \({}^{\text{a}}\) & 0.513 \\ \hline Auto-efficacy & 2.89 (0.86) & 2.93 (0.70) & 2.92 (0.73) & 2.88 (0.74) & 2.91 (0.74) & 0.080 \({}^{\text{a}}\) & 0.971 \\ \hline Meaning of work & 2.29 (0.65) & 2.07 (0.61) & 2.32 (0.64) & 2.33 (0.64) & 2.27 (0.64) & 2.320 \({}^{\text{a}}\) & 0.076 \\ \hline Job satisfaction & 2.32 (0.64) & 2.13 (0.58) & 2.39 (0.62) & 2.46 (0.68) & 2.35 (0.64) & 3.325 \({}^{\text{a,f}}\) & 0.020 \({}^{\text{*}}\) \\ \hline \hline \end{tabular}
\end{table} 
Table 5: Mean (SD) of psychosocial variables in 2017 and 2019 by shift type, and shift type comparisons.