Table 3.

Correlation between happiness and demographic variables

	Total OHI	Age	Gender	Marital status	Education	Employment status	Economic status	Work experience	Work shift
Total OHI	1
Age	− 0.068	1
Gender	0.047	0.219**	1
Marital status	− 0.077	− 0.429**	− 0.106	1
Education	0.048	− 0.213**	0.014	0.086	1
Employment status	− 0.069	0.686**	0.165**	− 0.429**	− 0.039	1
Economic status	0.138*	− 0.001	0.018	0.027	0.091	0.027	1
Work experience	− 0.039	0.830**	0.201**	− 0.329**	− 0.347**	0.574**	0.006	1
Work shift	− 0.066	− 0.287**	− 0.054	0.143*	0.077	− 0.297**	− 0.007	− 0.264**	1

*Correlation is significant at the 0.05 level (2-tailed)

**Correlation is significant at the 0.01 level (2-tailed)