Table 3. Association between EF one year before the interview and PCa according to ISUP and stage in CAPLIFE study.
| EF (ejaculations/mo) | Model | Model 2 | Model 3 | |
|---|---|---|---|---|
| ISUP 1–2 | ||||
| >4 | Reference | |||
| 4 | 1.45 (0.92–2.30) | 1.46 (0.92–2.33) | 1.63 (0.99–2.68) | |
| 0–3 | 1.89 (1.26–2.83) | 1.96 (1.30–2.96) | 2.29 (1.47–3.57) | |
| p-trend | 0.002 | 0.001 | 0.001 | |
| ISUP 3–5 | ||||
| >4 | Reference | |||
| 4 | 1.47 (0.67–3.26) | 1.53 (0.68–3.43) | 1.58 (0.68–3.65) | |
| 0–3 | 2.53 (1.28–5.00) | 2.46 (1.24–4.91) | 2.76 (1.34–5.67) | |
| p-trend | 0.004 | 0.006 | 0.003 | |
| Localized PCa | ||||
| >4 | Reference | |||
| 4 | 1.42 (0.91–2.21) | 1.43 (0.92–2.24) | 1.59 (0.99–2.57) | |
| 0–3 | 1.78 (1.21–2.63) | 1.83 (1.23–2.71) | 2.17 (1.42–3.33) | |
| p-trend | 0.004 | 0.003 | 0.001 | |
| Locally advanced-metastatic PCa | ||||
| >4 | Reference | |||
| 4 | 2.03 (0.57–7.24) | 2.04 (0.57–7.37) | 1.92 (0.52–7.06) | |
| 0–3 | 5.61 (1.89–16.65) | 5.21 (1.74–15.62) | 4.70 (1.55–14.29) | |
| p-trend | 0.001 | 0.001 | 0.002 | |
Values are presented as adjusted odds ratio (95% confidence interval).
EF: ejaculation frequency, ISUP: International Society of Urological Pathology, PCa: prostate cancer.
Model 1: adjusted for age, educational level, and first-degree family history of PCa.
Model 2: adjusted for age, educational level, first-degree family history of PCa, height, sedentary behavior, diabetes mellitus, and vasectomy.
Model 3: adjusted for age, educational level, first-degree family history of PCa, height, sedentary behavior, diabetes mellitus, vasectomy, energy intake and alcohol consumption.