The relationship between sleep quality, neck pain, shoulder pain and disability, physical activity, and health perception among middle-aged women: a cross-sectional study

Table 4 Results of the stepwise multiple regression analysis for PSQI (N = 494)

Variables	PSQI
Variables	β (SE)	95% CI		t	p
Constant	11.487 (1.051)	9.422	13.551	10.392	< 0.001
SPADI pain subscale	0.293 (0.005)	0.023	0.042	6.634	< 0.001
Perceived physical difficulty of one’s work	0.111 (0.165)	0.108	0.757	2.621	0.009
Health perception	− 0.248 (0.017)	− 0.128	− 0.062	− 5.637	< 0.001
Adjusted R²	0.229

ISSN: 1472-6874