Table 4.

Linear regression model: weight gain from breast cancer diagnosis to 36 months post-diagnosis and related factors

Characteristic	β	SE	P value
Age at diagnosis	−0.06	0.01	<0.001
Education (ref: <High school)
High school	−0.04	0.15	0.782
>High school	−0.63	0.22	0.004
BMI at diagnosis	−0.32	0.02	<0.001
Charlson comorbidity index (ref: 0)
1	−0.27	0.26	0.305
≥2	−1.67	0.22	<0.001
TNM stage (ref: 0-I)
IIA	0.07	0.16	0.640
IIB	0.42	0.21	0.041
III	0.92	0.28	<0.001