Table 4.
Logistic Regression for the Relationship Between Selected Characteristics and ≥5% Weight Gain in Postmenopausal Early-Invasive Breast Cancer Patients
| Weight gain ≥5% (N = 59) |
Weight gain <5% (N = 214) |
OR (95% CI)a |
|
|---|---|---|---|
| Median (IQR) | |||
| Age | 61 (56, 68) | 62 (56, 69) | 0.97 (0.93–1.01) |
| Vitality | 50 (40, 75) | 55 (35, 70) | 1.00 (0.99–1.02) |
| N (%)b | |||
|---|---|---|---|
| BMI |
|
|
|
| Obese (≥30 kg/m2) |
16 (27.1) |
80 (37.4) |
0.51 (0.23–1.12) |
| Overweight (25 to <30 kg/m2) |
17 (28.8) |
73 (34.1) |
0.66 (0.31–1.41) |
| Normal weight (<25 kg/m2) |
26 (44.1) |
61 (28.5) |
Reference |
| Race | |||
| African American |
6 (10.2) |
46 (21.5) |
0.26 (0.09–0.77) |
| White |
53 (89.8) |
168 (78.5) |
Reference |
| Marital status | |||
| Married |
31 (52.5) |
125 (58.4) |
0.81 (0.37–1.77) |
| Not married |
28 (47.5) |
89 (41.6) |
Reference |
| Education | |||
| ≤High school |
39 (66.1) |
134 (62.6) |
0.77 (0.39–1.54) |
| >High school |
20 (33.9) |
80 (37.4) |
Reference |
| Income | |||
| <$50,000 |
36 (61.0) |
111 (51.9) |
2.34 (1.03–5.31) |
| Refused |
7 (11.9) |
20 (9.4) |
2.04 (0.67–6.15) |
| ≥$50,000 |
16 (27.1) |
83 (38.8) |
Reference |
| Smoking status | |||
| Current smoker |
9 (15.3) |
31 (14.5) |
0.66 (0.24–1.79) |
| Former smoker |
22 (37.3) |
68 (31.8) |
1.14 (0.59–2.24) |
| Never smoker |
28 (47.5) |
115 (53.7) |
Reference |
| Radiation | |||
| Yes |
42 (71.2) |
144 (67.3) |
1.19 (0.59–2.40) |
| No |
17 (28.8) |
70 (32.7) |
Reference |
| Chemotherapy | |||
| Both |
12 (20.7) |
40 (18.7) |
0.54 (0.18–1.59) |
| Chemotherapy only |
9 (15.5) |
23 (10.8) |
0.92 (0.29–2.85) |
| Endocrine therapy only |
25 (43.1) |
126 (58.9) |
0.40 (0.17–0.95) |
| No | 12 (20.7) | 25 (11.7) | Reference |
a
Adjusted for age, vitality, BMI, race, marital status, education, income, smoking status, and treatment type. Bold type indicates statistical significance at p < 0.05.
b
Percentages may not sum up to 100% due to rounding.