Sleep quality and its impacts on quality of life among military personnel in remote frontier areas and extreme cold environments

Table 5 Multiple linear regressions of predictors to HRQoL and Anxiety

Variables	B ± SE	Beta (β)	t	P value
PCS (adjusted R² = 0.117)
Constant	109.408 ± 3.89		28.129	< 0.001
Anxiety	−0.307 ± 0.67	− 0.213	−4.559	< 0.001
Marriage	−7.310 ± 2.36	−0.134	−3.093	0.002
PSQI	−0.505 ± 0.17	−0.137	−2.927	0.004
Education	−1.865 ± 0.71	−0.115	− 2.628	0.009
Anxiety (adjusted R² = 0.364)
Constant	42.581 ± 2.59		16.470	< 0.001
NC	0.421 ± 0.05	0.359	9.039	< 0.001
PC	−0.369 ± 0.05	− 0.256	−6.891	< 0.001
PSQI	0.579 ± 0.10	0.226	5.757	< 0.001
Education	−1.020 ± 0.41	−0.091	−2.502	0.013

PSQI Pittsburgh sleep quality index, PCS physical component summary, NC negative coping, PC positive coping

ISSN: 1477-7525