TABLE 3.
Multivariate Risk Factors Predicting Cancer Screening Practices in 1-Year Retinoblastoma Survivors
| Female | Male | ||||
|---|---|---|---|---|---|
| Breast self-examinations* | Clinical breast examinations† | Mammogram‡ | Pap test§ | TSE‖ | |
| Age at interview, y | OR (95% CI) | OR (95% CI) | OR (95% CI) | OR (95% CI) | OR (95% CI) |
| 18–24 | 1.00 (referent) | 1.00 (referent) | 1.00 (referent) | 1.00 (referent) | |
| 25–29 | 1.75 (0.76–4.04) | 0.72 (0.30–1.72) | 0.89 (0.30–2.67) | 1.20 (0.49–2.91) | |
| 30–34 | 1.49 (0.64–3.44) | 0.85 (0.36–2.01) | 2.96 (0.80–10.89) | 0.66 (0.26–1.67) | |
| 35–39 | 1.44 (0.66–3.12) | 0.77 (0.35–1.66) | 3.10 (1.07–8.96) | 1.40 (0.60–3.31) | |
| ≥40 | 2.54 (1.16–5.57) | 1.50 (0.66–3.37) | 1.00 | 2.97 (1.04–8.49) | 0.60 (0.29–1.49) |
| ≥50 | NA | NA | 0.91 (0.24–3.36) | NA | NA |
| Education | |||||
| <High school graduate | 0.71 (0.23–2.24) | 0.82 (0.27–2.52) | 0.05 (0.004–0.70) | 0.45 (0.11–1.81) | 0.87 (0.33–2.31) |
| High school /some college | 0.91 (0.57–1.45) | 0.68 (0.41–1.12) | 0.83 (0.3–2.31) | 0.68 (0.32–1.43) | 0.51 (0.29–0.91) |
| College graduate | 1.00 (referent) | 1.00 (referent) | 1.00 (referent) | 1.00 (referent) | 1.00 (referent) |
| Race | |||||
| White | 1.00 (referent) | 1.00 (referent) | 1.00 (referent) | 1.00 (referent) | 1.00 (referent) |
| NonWhite | 1.75 (0.74–3.39) | 0.61 (0.27–1.39) | 0.78 (0.1–6.0) | 1.06 (0.32–3.49) | 0.76 (0.27–2.10) |
| Radiotherapy for Rb | |||||
| No | 1.00 (referent) | 1.00 (referent) | 1.00 (referent) | 1.00 (referent) | 1.00 (referent) |
| Yes | 1.57 (0.81–3.02) | 0.95 (0.47–1.89) | 0.69 (0.16–3.01) | 0.41 (0.14–1.13) | 1.10 (0.45–2.69) |
| Hereditary Rb status | |||||
| Nonhereditary | 1.00 (referent) | 1.00 (referent) | 1.00 (referent) | 1.00 (referent) | 1.00 (referent) |
| Hereditary | 0.84 (0.43–1.61) | 0.83 (0.42–1.66) | 0.47 (0.11–2.04) | 1.41 (0.51–3.86) | 1.95 (0.79–4.82) |
| Hospitalized within past 5 y | |||||
| No | 1.00 (referent) | 1.00 (referent) | 1.00 (referent) | 1.00 (referent) | 1.00 (referent) |
| Yes | 0.95 (0.58–1.56) | 0.81 (0.49–1.36) | 1.95 (0.65–5.38) | 1.16 (0.56–2.39) | 0.49 (0.25–0.99) |
| Ever taken birth control pills | |||||
| No | 1.00 (referent) | 1.00 (referent) | – | 1.00 (referent) | NA |
| Yes | 0.98 (0.59–1.63) | 2.80 (1.60–4.89) | – | 7.71 (2.77–21.44) | NA |
| Ever taken hormone replacement therapy | |||||
| No | 1.00 (referent) | 1.00 (referent) | 1.00 (referent) | 1.00 (referent) | NA |
| Yes | 0.86 (0.38–1.94) | 0.99 (0.41–2.41) | 6.60 (1.06–40.98) | 1.19 (0.31–4.54) | NA |
| Ever had a second cancer | |||||
| No | 1.00 (referent) | 1.00 (referent) | 1.00 (referent) | 1.00 (referent) | 1.00 (referent) |
| Yes | 0.38(1.36–8.38) | 2.11 (0.73–6.15) | 2.03 (0.40–10.29) | 0.87 (0.25–3.02) | 3.46 (1.32–9.06) |
Pap indicates Papanicolaou; TSE, testicular self-examination; OR, odds ratio; 95% confidence interval; NA, not applicable; RB, retinoblastoma.
*
Breast self-examination performed regulary (once a month).
†
Clinical breast examination performed within last year.
‡
For females aged ≥40 years, report of having a mammogram within past 2 years.
§
Papnicolaou testing within past 3 years.
‖
Testicular self-examination performed regularly (once a month).