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. Author manuscript; available in PMC: 2022 Jan 15.
Published in final edited form as: Cancer. 2020 Oct 20;127(2):291–299. doi: 10.1002/cncr.33183

Table 2:

Baseline demographic and clinical characteristics by intervention group

Education Only
(N=242)
LEAP
(N=312)
Total
(N=554)
Age      
 N 242 312 554
 Median 59.0 58.0 58.0
 Range (24.0-83.0) (27.0-88.0) (24.0-88.0)
Race      
 Missing 3 6 9
 Black 38 (15.9%) 31 (10.1%) 69 (12.7%)
 Other (Asian, American Indian/Alaska Native, more than 1 race) 7 (2.9%) 17 (5.6%) 24 (4.4%)
 White 194 (81.2%) 258 (84.3%) 452 (82.9%)
Ethnicity
 Missing 9 6 15
 Hispanic or Latino 35 (15.0%) 10 (3.3%) 45 (8.3%)
 Non-Hispanic 198 (85.0%) 296 (96.7%) 494 (91.7%)
ECOG Performance Status
 Missing 42 52 94
 0 194 (97.0%) 239 (91.9%) 433 (94.1%)
 1 6 (3.0%) 20 (7.7%) 26 (5.7%)
 2 0 (0.0%) 1 (0.4%) 1 (0.2%)
Education
 Missing 27 8 35
 < HS 17 (7.9%) 11 (3.6%) 28 (5.4%)
 > BA/BS College Degree 52 (24.2%) 75 (24.7%) 127 (24.5%)
 BA/BS College Degree 34 (15.8%) 64 (21.1%) 98 (18.9%)
 HS Grad 36 (16.7%) 65 (21.4%) 101 (19.5%)
 Some college/Jr College 76 (35.3%) 89 (29.3%) 165 (31.8%)
Marital Status
 Missing 28 10 38
 Married 131 (61.2%) 187 (61.9%) 318 (61.6%)
 Separated/divorced/widowed 65 (30.4%) 93 (30.8%) 158 (30.6%)
 Single/never married 18 (8.4%) 22 (7.3%) 40 (7.8%)
Employment Status
 Missing 28 9 37
 Disabled 16 (7.5%) 19 (6.3%) 35 (6.8%)
 Employed 118 (55.1%) 153 (50.5%) 271 (52.4%)
 Homemaker 19 (8.9%) 38 (12.5%) 57 (11.0%)
 Retired 51 (23.8%) 74 (24.4%) 125 (24.2%)
 Student 2 (0.9%) 2 (0.7%) 4 (0.8%)
 Unemployed 8 (3.7%) 17 (5.6%) 25 (4.8%)
Definitive primary surgery
 Missing 4 5 9
 Partial mastectomy/lumpectomy/excisional biopsy 155 (65.1%) 199 (64.8%) 354 (65.0%)
 Mastectomy, NOS 83 (34.9%) 108 (35.2%) 191 (35.0%)
Type of axillary lymph node dissection
 Axillary lymph node dissection only 64 (26.4%) 67 (21.5%) 131 (23.6%)
 Both axillary and sentinel lymph node dissection 78 (32.2%) 87 (27.9%) 165 (29.8%)
 Sentinel lymph node dissection only 100 (41.3%) 158 (50.6%) 258 (46.6%)
Number of positive lymph nodes
 N 225 298 523
 Mean (SD) 2.3 (5.1) 2.1 (5.5) 2.2 (5.3)
Immediate reconstructive surgery
 Missing 3 1 4
 No 218 (91.2%) 249 (80.1%) 467 (84.9%)
 Yes 21 (8.8%) 62 (19.9%) 83 (15.1%)
Tumor laterality
 Missing 1 1 2
 Left 130 (53.9%) 159 (51.1%) 289 (52.4%)
 Right 111 (46.1%) 151 (48.6%) 262 (47.5%)
 Bilateral 0 (0.0%) 1 (0.3%) 1 (0.2%)
Receptor status,ER
 Negative 57 (23.6%) 60 (19.2%) 117 (21.1%)
 Positive 184 (76.0%) 251 (80.4%) 435 (78.5%)
 Not Done 1 (0.4%) 1 (0.3%) 2 (0.4%)
Receptor status,PR
 Negative 92 (38.0%) 87 (27.9%) 179 (32.3%)
 Positive 149 (61.6%) 224 (71.8%) 373 (67.3%)
 Not Done 1 (0.4%) 1 (0.3%) 2 (0.4%)
HER-2/neu receptors
 Missing 2 3 5
 Negative 194 (80.8%) 249 (80.6%) 443 (80.7%)
 Positive 42 (17.5%) 53 (17.2%) 95 (17.3%)
 Not Done 4 (1.7%) 7 (2.3%) 11 (2.0%)
Pathologic primary tumor size
 N 233 305 538
 Median 1.7 1.8 1.7
Grade
 Missing 2 16 18
 Low 54 (22.5%) 65 (22.0%) 119 (22.2%)
 Intermediate 93 (38.8%) 138 (46.6%) 231 (43.1%)
 High 93 (38.8%) 93 (31.4%) 186 (34.7%)
Receipt of chemotherapy
 Missing 4 (1.7%) 4 (1.3%) 8 (1.4%)
 No 143 (59.1%) 199 (63.8%) 342 (61.7%)
 Yes 95 (39.3%) 109 (34.9%) 204 (36.8%)
Radiation prior to lymphedema diagnosis or within 18 months for those who were lymphedema-free
 No 76 (31.4%) 98 (31.4%) 174 (31.4%)
 Yes 166 (68.6%) 214 (68.6%) 380 (68.6%)
Baseline BMI
 N 242 312 554
 Median 27.0 27.5 27.3