Table 2. Factors for being unvaccinated in participants.
| Factors | Univariate | Multivariate | |||
|---|---|---|---|---|---|
| OR (95% CI) | P | OR (95% CI) | P | ||
| Age (years) | |||||
| <30 | Ref. | Ref. | |||
| 30–39 | 1.63 (0.39, 6.80) | 0.503 | 0.88 (0.16, 4.75) | 0.877 | |
| 40–49 | 1.70 (0.91, 3.19) | 0.098 | 1.37 (0.65, 2.89) | 0.405 | |
| 50–60 | 1.03 (0.58, 1.82) | 0.916 | 1.12 (0.57, 2.21) | 0.734 | |
| >60 | 0.92 (0.52, 1.65) | 0.789 | 1.09 (0.55, 2.16) | 0.810 | |
| Current treatment | |||||
| NT | Ref. | Ref. | |||
| ET | 0.16 (0.10, 0.25) | <0.001 | 0.51 (0.29, 0.89) | 0.017 | |
| Others | 0.28 (0.19, 0.41) | <0.001 | 0.68 (0.44, 1.07) | 0.096 | |
| Time since surgery | |||||
| <1 year | Ref. | Ref. | |||
| 1–2 years | 29.80 (16.86, 52.65) | <0.001 | 22.49 (12.31, 41.10) | <0.001 | |
| 2–5 years | 9.25 (5.49, 15.59) | <0.001 | 8.49 (4.98, 14.46) | <0.001 | |
| >5 years | 1.93 (1.20, 3.08) | 0.006 | 1.79 (1.11, 2.89) | 0.017 | |
| Anxiety (GAD-2 ≥3) | 2.07 (1.17, 3.67) | 0.013 | 0.83 (0.38, 1.82) | 0.649 | |
| Depression (PHQ-2 ≥3) | 2.57 (1.46, 4.50) | 0.001 | 2.48 (1.19, 5.15) | 0.015 | |
OR, odds ratio; CI, confidence interval; NT, not receiving a treatment; ET, only endocrine therapy (such as tamoxifen, toremifene, anastrozole, exemestane); Others, CT or TT or RT or CMT or ≥2 therapy methods; CT, chemotherapy; TT, HER2-targeted therapy (such as trastuzumab, pertuzumab, and pyrotinib, among others); RT, radiation therapy; CMT, Chinese medicine treatment; 1–2 years, including the second year after surgery; 2–5 years, the second year after surgery is not included; GAD-2, 2-item Generalized Anxiety Disorder scale; PHQ-2, 2-item Patient Health Questionnaire.