Table 1

Hierarchical multiple regression examining the PCS

	Step 1 (model 1)			Step 2 (model 2)			Step 3 (model 3)
	B	SE	P value	B	SE	P value	B	SE	P value
Intercept	43.622	4.056	<0.001	45.960	4.551	<0.001	49.879	4.843	<0.001
Age	−0.010	0.045	0.831	−0.013	0.045	0.767	−0.015	0.045	0.733
Education	−0.885	0.385	0.022	−0.860	0.386	0.027	−0.751	0.387	0.053
Marital status	−3.169	1.817	0.082	−3.056	1.819	0.094	−2.962	1.808	0.102
Monthly income	0.443	0.569	0.437	0.423	0.570	0.458	0.415	0.566	0.464
Residence (ref: rural)	1.077	0.970	0.268	1.173	0.973	0.229	1.239	0.968	0.201
Chronic disease (ref: no)	1.568	0.888	0.078	1.626	0.889	0.068	1.654	0.884	0.062
Cancer stage	−0.549	0.531	0.302	−0.640	0.537	0.234	−0.612	0.534	0.252
Months after surgery	0.207	0.049	<0.001	0.205	0.049	<0.001	0.203	0.048	<0.001
Surgery (ref: modified radical surgery)
Total resection	1.168	0.865	0.178	1.122	0.866	0.196	1.087	0.861	0.207
Breast reservation	0.879	1.309	0.502	0.895	1.309	0.494	1.143	1.305	0.382
Other	0.365	2.925	0.901	0.552	2.928	0.850	0.974	2.916	0.739
Work status (ref: yes)
No work	0.848	0.844	0.316	0.863	0.844	0.307	0.701	0.842	0.406
Retirement	0.166	1.080	0.878	0.167	1.079	0.877	−0.256	1.089	0.814
Perceived needs satisfaction				−0.025	0.023	0.259	0.005	0.026	0.843
Perceived needs importance							−0.067	0.030	0.024
ΔR²	0.092*			0.003			0.014*
AIC	1114.787			1115.452			1112.314