Table 1:
Descriptive statistics by medication adherence (N=570)
| Medication Adherence |
|
|||
|---|---|---|---|---|
| All |
Nonadherent (N=203) |
Adherent (N=367) |
|
|
| N (%) | N (%) | N (%) | p-value | |
| Racea | ||||
| Black | 162 (28.4) | 78 (48.1) | 84 (51.9) | <0.001 |
| White | 408 (71.6) | 125 (30.6) | 283 (69.4) | |
| Agea | ||||
| 50+ years | 438 (76.8) | 136 (31.1) | 302 (68.9) | <0.001 |
| ≤50 years | 132 (23.2) | 67 (50.8) | 65 (49.2) | |
| Insurance | ||||
| Both | 22 (4.3) | 7 (31.8) | 15 (68.2) | 0.38 |
| Private | 470 (92.0) | 170 (36.2) | 300 (63.8) | |
| Public | 19 (3.7) | 4 (21.1) | 15 (78.9) | |
| Marriage | ||||
| Married or living with a partner | 365 (64.3) | 129 (35.3) | 236 (64.7) | 0.99 |
| Single | 203 (35.7) | 72 (35.5) | 131 (64.5) | |
| Education | ||||
| Less than college | 80 (14.2) | 30 (37.5) | 50 (62.5) | 0.81 |
| College or higher | 483 (85.8) | 171 (35.4) | 312 (64.6) | |
| Incomea | ||||
| <100,000/year | 267 (49.9) | 101 (37.8) | 166 (62.2) | 0.51 |
| ≥100,000/year | 268 (50.1) | 93 (34.7) | 175 (65.3) | |
| Home | ||||
| Apartment | 49 (9.2) | 20 (40.8) | 29 (59.2) | 0.44 |
| House | 485 (90.8) | 166 (34.2) | 319 (65.8) | |
| Working Statusa | ||||
| No | 224 (41.3) | 60 (26.8) | 164 (73.2) | <0.001 |
| Yes | 318 (58.7) | 133 (41.8) | 185 (58.2) | |
| Stage | ||||
| I | 308 (59.8) | 103 (33.4) | 205 (66.6) | 0.19 |
| II | 164 (31.8) | 63 (38.4) | 101 (61.6) | |
| III | 43 (8.3) | 20 (46.5) | 23 (53.5) | |
| Surgery type | ||||
| Lumpectomy | 237 (51.1) | 77 (32.5) | 160 (67.5) | 0.62 |
| Mastectomy | 198 (42.7) | 76 (38.4) | 122 (61.6) | |
| Both | 25 (5.4) | 11 (44.0) | 14 (56.0) | |
| No surgery | 4 (0.8) | 1 (25.0) | 3 (75.0) | |
| Chemotherapya | ||||
| Yes | 211 (39.5) | 89 (42.1) | 122 (57.8) | 0.024 |
| No | 323 (60.5) | 104 (32.2) | 219 (67.8) | |
| Radiation | ||||
| Yes | 340 (67.2) | 124 (36.5) | 216 (63.5) | 0.614 |
| No | 166 (32.8) | 56 (33.7) | 110 (66.3) | |
| Medicationa | ||||
| AIs | 350 (61.8) | 102 (29.1) | 248 (70.9) | <0.001 |
| Tamoxifen | 216 (38.2) | 100 (46.3) | 116 (53.7) | |
| BMIa | ||||
| Overweight or Obese | 355 (66.6) | 124 (34.9) | 231 (65.1) | 0.368 |
| Underweight or Normal | 178 (33.4) | 70 (39.3) | 108 (60.7) | |
| Physical Activity Level | ||||
| Low | 163 (30.5) | 60 (36.8) | 103 (63.2) | 0.900 |
| Moderate | 280 (52.4) | 102 (36.4) | 17 (63.6) | |
| High | 91 (17.1) | 31 (34.1) | 60 (65.9) | |
| Daily sitting timea | ||||
| ≤ 6 hours | 327 (57.4) | 94 (28.7) | 233 (71.3) | <0.001 |
| > 6 hours | 243 (42.6) | 109 (44.9) | 134 (55.1) | |
| Distressa | ||||
| Under control | 321 (56.8) | 97 (30.2) | 224 (69.8) | 0.009 |
| Some distress | 168 (29.7) | 70 (41.7) | 98 (58.3) | |
| High level of distress | 76 (13.5) | 34 (44.7) | 42 (55.3) | |
| Mean (SD) | Mean (SD) | Mean (SD) | p-value | |
| Age | 58.9(11.0) | 55.9 (11.1) | 60.5 (10.6) | <0.001 |
| BMI | 28.7 (7.5) | 28.8 (7.3) | 28.6 (7.6) | 0.817 |
| Self-efficacya | 44.7 (4.0) | 44.3 (4.3) | 44.9 (3.9) | 0.098 |
| Understand Participate in Care | 15.0 (1.4) | 14.9 (1.5) | 15.1 (1.4) | 0.046 |
| Maintain Positive Attitude | 14.4 (2.0) | 14.3 (2.1) | 14.5 (2.0) | 0.242 |
| Obtaining information | 15.2 (1.4) | 15.2 (1.6) | 15.3 (1.4) | 0.293 |
| Medication Concernsa | 11.2 (2.9) | 11.7 (3.1) | 10.9 (2.8) | 0.001 |
| Medication Necessitya | 13.9 (3.0) | 13.5 (2.9) | 14.1 (3.1) | 0.027 |
| Religiosity | 26.7 (7.5) | 27.7 (7.2) | 26.2 (7.7) | 0.018 |
| Health Literacy Screeninga | 0.9 (1.6) | 1.0 (1.6) | 0.8 (1.6) | 0.193 |
| Perceived Severitya | 37.5 (14.4) | 38.3 (14.0) | 37.0 (14.6) | 0.307 |
| Perceived Susceptibilitya | 37.8 (16.4) | 39.0 (15.9) | 37.1 (16.7) | 0.2 |
| Social support | 81.8 (18.2) | 79.6 (18.9) | 83.0 (17.8) | 0.031 |
| Emotional Supporta | 82.4 (18.5) | 80.8 (18.8) | 83.4 (18.2) | 0.106 |
| Tangible Supporta | 80.5 (23.6) | 77.4 (24.9) | 82.2 (22.7) | 0.02 |
| Trust in primary carea | 78.6 (15.1) | 76.8 (14.4) | 79.6 (15.5) | 0.04 |
| Communicationa | 33.9 (4.9) | 33.3 (5.1) | 34.2 (4.7) | 0.025 |
| Medical Mistrusta | 20.4 (4.9) | 20.2 (4.5) | 20.4 (5.1) | 0.639 |
| Total Endocrine Symptoms | 18.2 (11.3) | 20.2 (11.0) | 17.0 (11.3) | 0.001 |
| Vasomotor Symptoms | 4.1 (3.7) | 4.4 (3.4) | 3.9 (3.8) | 0.128 |
| Neuropsychological Symptoms | 3.1 (3.0) | 3.5 (3.0) | 2.9 (3.0) | 0.014 |
| Gastrointestinal Symptoms | 3.7 (3.4) | 3.9 (3.4) | 3.5 (3.4) | 0.152 |
| Gynecological Symptoms | 4.9 (3.9) | 5.8 (4.1) | 4.4 (3.7) | <0.001 |
| Bone Symptoms | 2.3 (1.9) | 2.4 (2.1) | 2.3 (1.9) | 0.614 |
Note: N=sample size; SD=standard deviation
Percentages are by columns for all participants and by rows across medication adherence.
T-tests used for continuous variables and chi-square tests used for categorical variables
*
p<0.05,
**
p<0.01,
***
p<0.001.
a
represents the variables considered for inclusion in the logistic regression model and had to earn their way into the models with stepwise selection.