Table 4.

Regression results associating sleep disturbance with co-occurring symptoms by adjuvant treatment group

Symptom	β	t	p-value
No adjuvant treatment
Physical function	− 0.066	− 0.497	0.621
Anxiety	0.164	1.251	0.216
Depression	0.213	1.642	0.106
Fatigue	0.484	4.171	0.001*
Ability to participate in social roles and activities	− 0.169	− 1.297	0.200
Pain interference	0.403	3.327	0.002*
Pain severity	0.358	2.894	0.005*
Nausea severity	0.348	2.801	0.007*
Chemotherapy
Physical function	− 0.150	− 0.713	0.483
Anxiety	0.608	3.594	0.002*
Depression	0.630	3.804	0.001*
Fatigue	0.205	0.980	0.338
Ability to participate in social roles and activities	− 0.492	− 2.648	0.015*
Pain interference	0.388	1.972	0.061
Pain severity	0.120	0.568	0.576
Nausea severity	0.037	0.175	0.863
Radiation
Physical function	− 0.497	− 3.834	< 0.001*
Anxiety	0.508	3.961	< 0.001*
Depression	0.422	3.119	0.003*
Fatigue	0.444	3.325	0.002*
Ability to participate in social roles and activities	− 0.533	− 4.224	< 0.001*
Pain interference	0.548	4.396	0.001*
Pain severity	0.524	4.124	< 0.001*
Nausea severity	0.405	2.972	0.005*
Aromatase inhibitor
Physical function	− 0.204	− 1.026	0.316
Anxiety	0.306	1.542	0.137
Depression	0.255	1.265	0.219
Fatigue	0.575	3.371	0.003*
Ability to participate in social roles and activities	− 0.270	− 1.346	0.191
Pain interference	0.051	0.243	0.810
Pain severity	0.182	0.887	− 0.384
Nausea severity	0.064	0.306	0.762

*Significant at an α-level of 0.05.