Table 2.
Association of post-diagnosis regular and non-regular supplement use with attitudes and perceptions
| Attitudes & Perceptions | Post diagnosis regular users N (%) |
Post diagnosis non-regular users N (%) |
p-value | 95% CI | |
|---|---|---|---|---|---|
| Dietary supplement use and risk of developing breast cancer | Increases risk | 1 (0.5) | 5 (2.7) | 0.016 | 0.013-0.018 |
| No effect on risk | 26 (14.1) | 26 (14.1) | |||
| Decreases risk | 14 (7.6) | 5 (2.7) | |||
| Uncertain/Do not know | 43 (23.2) | 65 (35.1) | |||
| Dietary supplement use and risk of breast cancer recurrence | Increases risk | 1 (0.5) | 9 (4.9) | 0.000 | 0.000<0.001 |
| No effect on risk | 20 (10.8) | 19 (10.3) | |||
| Decreases risk | 18 (9.7) | 4 (2.2) | |||
| Uncertain/Do not know | 45 (24.3) | 69 (37.3) | |||
| Dietary supplement use and risk of breast cancer-related mortality | Increases risk | 0 (0) | 4 (2.2) | 0.014 | 0.012-0.017 |
| No effect on risk | 26 (14.1) | 21 (11.4) | |||
| Decreases risk | 14 (7.6) | 8 (4.3) | |||
| Uncertain/Do not know | 44 (23.8) | 68 (36.8) | |||
| Dietary supplement use is safe during cancer treatments | Agree | 33 (17.8) | 23 (12.4) | 0.033 | 0.029-0.037 |
| Disagree | 12 (6.5) | 25 (13.5) | |||
| Uncertain/Do not know | 39 (21.1) | 53 (28.6) | |||
| Dietary supplement use is safe after the completion of cancer treatments | Agree | 47 (25.4) | 43 (23.2) | 0.186 | 0.178-0.193 |
| Disagree | 3 (1.6) | 4 (2.2) | |||
| Uncertain/Do not know | 34 (18.4) | 54 (29.2) | |||
| Dietary supplements increase the effectiveness of cancer treatments | Agree | 15 (8.1) | 7 (3.8) | 0.052 | 0.047-0.056 |
| Disagree | 12 (6.5) | 21 (11.4) | |||
| Uncertain/Do not know | 57 (30.8) | 73 (39.5) | |||
| Dietary supplements reduce the side effects of cancer treatments | Agree | 16 (8.6) | 12 (6.5) | 0.314 | 0.305-0.323 |
| Disagree | 18 (9.7) | 19 (10.3) | |||
| Uncertain/Do not know | 50 (27) | 70 (37.8) | |||
| It is important to inform healthcare providers about the dietary supplements I am taking | Agree | 68 (36.8) | 87 (47) | 0.421 | 0.411-0.430 |
| Disagree | 1 (0.5) | 0 (0) | |||
| Uncertain/Do not know | 15 (8.1) | 14 (7.6) | |||
| I would like more information on dietary supplements | Agree | 68 (36.8) | 72 (38.9) | 0.176 | - |
| Disagree | 15 (8.1) | 26 (14.1) | |||
CI confidence interval