Table 3

Correlation coefficients between the study variables in the study participants (Croatia, 2017)

Study variables	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18
Subjective sleep quality (1)	1.00
Sleep latency (2)	0.24***	1.00
Sleep duration (3)	0.19***	0.08***	1.00
Habitual sleep efficiency (4)	0.03	0.50***	0.08***	1.00
Sleep disturbances (5)	0.27***	0.22***	0.01	0.07***	1.00
Use of sleep medication (6)	0.14***	0.09***	0.01	0.04*	0.15***	1.00
Daytime dysfunction (7)	0.34***	0.09***	0.08***	0.04*	0.22***	0.12***	1.00
Sleep Quality (8)	0.45***	0.53***	0.30***	0.45***	0.33***	0.26***	0.42***	1.00
Physical activity (9)	0.10***	0.09***	0.08***	0.07**	0.05*	0.10***	0.08***	0.10***	1.00
Self-rated health (10)	0.07***	0.06*	0.12***	0.08***	0.04	0.03	0.04	0.12***	0.05*	1.00
Body mass index (11)	0.02	−0.03	−0.05*	−0.02	0.01	−0.03	0.00	−0.01	−0.02	0.02	1.00
Life satisfaction (12)	0.12***	0.05*	0.11***	0.03	0.03	0.01	0.06**	0.12***	0.05*	0.67***	0.00	1.00
Socioeconomic status (13)	−0.04*	−0.05*	−0.02	−0.05*	−0.09***	−0.01	−0.04*	−0.04*	−0.06**	−0.11***	−0.08***	−0.12***	1.00
Smoking status (14)	0.03	0.05*	0.02	0.05*	0.06*	0.04	0.03	0.04*	0.03	0.09***	−0.07**	0.09***	−0.05*	1.00
Binge drinking (15)	0.01	−0.08***	0.02	−0.08***	−0.03	−0.03	−0.07**	−0.04*	0.01	−0.01	0.06**	0.01	0.02	−0.19***	1.00
Chronic disease/s (16)	−0.04*	−0.03	−0.01	−0.06**	−0.06**	−0.09***	−0.03	−0.09***	0.00	−0.92***	0.00	−0.07**	−0.01	−0.07**	−0.04	1.00
Psychological distress (17)	0.23**	0.13***	0.10***	0.05*	0.14***	0.14***	0.27***	0.25***	0.10***	0.12***	0.01	0.16***	−0.07**	0.07***	0.02	−0.05*	1.00
Gender (18)	0.05	0.07**	0.05	0.02	0.10*	−0.03	0.05	0.07**	0.19***	0.05	0.04	0.04	−0.09***	0.06**	0.07***	−0.02	0.13***	1.00

***p<0.001; **P<0.01; *P<0.05.