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Table 2 Multivariate logistic models for awareness of the role of physical activity in breast cancer prevention
| n | OR | (95% CI) | AOR | (95% CI) | |
|---|---|---|---|---|---|
| Age | |||||
| 20–29 | 197 | 1 | (ref) | 1 | (ref) |
| 30–39 | 197 | 0.78 | (0.52–1.36) | 0.79 | (0.36–1.73) |
| 40–49 | 198 | 0.64 | (0.42-0.98)** | 1.15 | (0.59–2.25) |
| 50–59 | 195 | 0.80 | (0.53-1.20) | 0.62 | (0.37–1.05) |
| 60–69 | 198 | 0.56 | (0.37-087)* | 0.91 | (0.56–1.49) |
| Marital status | |||||
| Unmarried | 253 | 1 | (ref) | 1 | (ref) |
| Married | 732 | 0.84 | (0.62-1.13) | 1.75 | (1.05–2.92)* |
| Having children | |||||
| No | 361 | 1 | (ref) | 1 | (ref) |
| Yes | 624 | 0.65 | (0.50-0.86)** | 0.56 | (0.36–0.86)** |
| Education | |||||
| Less than high school graduate | 303 | 1 | (ref) | 1 | (ref) |
| 2 years college or equivalent | 335 | 1.25 | (0.88-1.76) | 1.00 | (0.68–1.49) |
| College graduate | 347 | 1.75 | (1.25-2.45)** | 1.50 | (1.01–2.22)* |
| Employment status | |||||
| Not full time | 692 | 1 | (ref) | 1 | (ref) |
| Employment full time | 293 | 1.22 | (0.99-1.63) | 1.04 | (0.72–1.50) |
| Household income/yen | |||||
| <3,000,000 | 168 | 1 | (ref) | 1 | (ref) |
| <5,000,000 | 266 | 0.72 | (0.47-1.08) | 0.65 | (0.40–1.04) |
| <7,000,000 | 237 | 0.74 | (0.48-1.12) | 0.58 | (0.40–1.08) |
| <10,000,00 | 183 | 0.88 | (0.57-1.36) | 0.79 | (0.47–1.33) |
| ≥10,000,000 | 131 | 0.80 | (0.49-1.30) | 0.66 | (0.37–1.17) |
| Menopause | |||||
| Pre-menopause | 642 | 1 | (ref) | 1 | (ref) |
| Post-menopause | 343 | 0.71 | (0.53-0.95) | 0.62 | (0.34–1.11) |
| Cancer history | |||||
| No | 935 | 1 | (ref) | 1 | (ref) |
| Yes | 50 | 1.36 | (0.75-2.44) | 0.95 | (0.50–1.82) |
| n | OR | (95%CI) | AOR | (95%CI) | |
| Exposure to information | |||||
| No | 267 | 1 | (ref)*** | 1 | (ref) |
| Yes | 618 | 2.51 | (1.85-3.39)*** | 2.11 | (1.51–2.95)*** |
| Knowledge of breast cancer (symptoms) | |||||
| Low | 437 | 1 | (ref) | 1 | (ref) |
| High | 548 | 2.48 | (1.86-3.30)*** | 2.43 | (1.75–3.36)*** |
| Knowledge of breast cancer (risk factor) | |||||
| Low | 408 | 1 | (ref) | 1 | (ref) |
| High | 577 | 0.28 | (0.21-0.38)*** | 0.30 | (0.22–0.40)*** |
| Knowledge of breast cancer (screening test) | |||||
| Low | 177 | 1 | (ref) | 1 | (ref) |
| High | 808 | 1.43 | (0.99-2.07) | 1.16 | (0.76–1.76) |
| Level of physical activity | |||||
| Inactive | 565 | 1 | (ref) | 1 | (ref) |
| Some regular activity | 181 | 1.23 | (0.80-1.88) | 0.98 | (0.61–1.59) |
| Meet physical activity recommendations | 239 | 1.39 | (0.99-1.94) | 1.21 | (0.83–1.77) |
