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Table 1 Sociodemographic and clinical characteristics of participants and nonparticipants

From: Factors influencing participation in a randomized controlled resistance exercise intervention study in breast cancer patients during radiotherapy

  Total (n = 117) Participants (n = 52) Nonparticipants (n = 65) p-Value
Mean age (SD) 57.0 (11.3) 56.5 (9.3) 57.5 (12.7) 0.64
Age groups     0.02
 <40 years 7 (6%) 1 (1.9%) 6 (9.2%)  
 40-49 years 24 (20.5%) 14 (26.9% ) 10 (15.4%)  
 50-59 years 37 (31.6%) 17 (32.7%) 20 (30.8%)  
 60-69 years 31 (26.5%) 17 (32.7%) 14 (21.5%)  
 ≥70 years 18 (15.4%) 3 (5.8%) 15 (23.1%)  
Marital status     0.18
 Married/living with partner 78 (66.7%) 38 (73.1%) 40 (61.5%)  
 Separated 3 (2.6%) 2 (3.8%) 1 (1.5%)  
 Divorced 11 (9.4%) 6 (11.5%) 5 (7.7%)  
 Widowed 18 (15.4%) 5 (9.6%) 13 (20%)  
 Single 7 (6.0%) 1 (1.9%) 6 (9.2%)  
Living status     0.01
 Alone 32 (27.4%) 8 (15.4% ) 24 (36.9%)  
 With others 85 (72.6%) 44 (84.6%) 41 (63.1%)  
Travel distance     0.02
 Up to 30 minutes 30 (25.6% ) 18 (34.6%) 12 (18,5%)  
 Between 30 minutes and 1 h 67 (57.3%) 30 (57.7%) 37 (56.9%)  
 More than 1 h 20 (17.1%) 4 (7.7%) 16 (24.6%)  
Mean BMI [kg/m 2 ] (SD) 26.3 (4.5) 25.7 (4.7) 26.9 (4.4) 0.14
Tumor size     0.047
 Tis 16 (13.7%) 8 (15.4%) 8 (12.3%)  
 T1 66 (56.4%) 34 (65.4%) 32 (49.2%)  
 T2 30 (25.6%) 9 (17.3%) 21 (32.3%)  
 T3 5 (4.3%) 1 (1.9%) 4 (6.2%)  
Nodal status     0.04
 Positive 34 (29.1%) 10 (19.2%) 24 (36.9%)  
 Negative 83 (70.9%) 42 (80.8%) 41 (63.1%)  
Tumor stage (UICC)     0.04
 0 15 (12.8%) 8 (15.4% ) 7 (10.8%)  
 1 55 (47.0%) 29 (55.8%) 26 (40.0%)  
 2 35 (29.9%) 11 (21.2%) 24 (36.9%)  
 3 12 (10.3%) 4 (7.7%) 8 (12.3%)  
Number of comorbidities     0.07
 0 48 (41.0%) 25 (48.1%) 23 (35.4%)  
 1 43 (36.8%) 20 (38.5%) 23 (35.4%)  
 2 14 (12.0%) 3 (5.8%) 11 (16.9%)  
 ≥3 12 (10.3%) 4 (7.7%) 8 (12.3%)  
Chemotherapy     0.09
 yes 46 (39.3%) 16 (30.8%) 30 (46.2%)  
 no 71 (60.7%) 36 (69.2%) 35 (53.8%)  
Fatigue     
 any 83 (70.9%) 43 (82.7%) 40 (61.5%) 0.01
 none 34 (29.1%) 9 (17.3%) 25 (38.5%)  
  1. SD: Standard Deviation.