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Table 3 Least square means for characteristics associated with body weight following surgery for breast cancer

From: Weight and weight change following breast cancer: evidence from a prospective, population-based, breast cancer cohort study

Characteristicsa

Body weightbMean (SD)

P-value

Treated on dominant sidecd

 

0.03

 Yes

69.3 (2.45)

 

 No

73.9 (2.34)

 

Lymph nodes removedcd

 

0.045

 None

69.4 (3.55)

 

 <10

70.4 (2.52)

 

 10+

75.0 (2.16)

 

Received radiotherapycde

 

0.009

 No

67.5 (2.84)

 

 Yes

75.6 (2.35)

 

Physical activitybd

 

0.0001

 Sedentary

78.4 (3.28)

 

 Insufficiently active

71.9 (2.46)

 

 Sufficiently active

64.4 (2.40)

 

Age (years)d

 

0.75

 <45

71.6 (3.12)

 

 45-54

69.7 (2.64)

 

 55+

73.5 (2.49)

 

Income, $d

 

0.53

 <26,000

72.0 (2.87)

 

 26,000-51,999

73.1 (2.73)

 

 >52,000/Missing

69.7 (2.40)

 

Surgeryc

 

0.31

 Lumpectomy

71.7 (2.43)

 

 Mastectomy/Other

71.5 (2.81)

 

Histological grade

 

0.67

 Grade 1

70.9 (2.87)

 

 Grade 2/3/NA

72.2 (2.09)

 

Cancer type

 

0.90

 Infiltrating ductal

71.9 (1.87)

 

 Infiltrating lobular

72.8 (3.30)

 

 Other/Missing

70.1 (3.68)

 

Received chemotherapye

 

0.17

 No

70.5 (2.28)

 

 Yes

72.7 (2.69)

 

Received hormone therapye

 

0.36

 No

70.8 (2.57)

 

 Yes

72.4 (2.26)

 
  1. aBaseline characteristics: six months post-surgery. bBody weight was analyzed as a continuous variable. cStatistical significance defined as p < 0.05. dClinical relevance defined as >3 kg difference between groups. eReceived treatment anytime up to 18 months post-surgery.
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BMC Cancer

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