Table 1 Baseline characteristics and the association with obesity status and time to PCa recurrence
Patient Characteristic | Obese (n = 383) | Overweight (n = 820) | Normal Weight (n = 373) | F or Chi-Square p-value | Hazard Ratio (95% CI) |
|---|---|---|---|---|---|
Age in Years (Mean, SD) | 58.6, 6.4 | 59.6, 6.8 | 60.0, 7.2 | .014 | 1.009 (0.991,1.027) |
Years Since Surgery (Mean, SD) | 11.4, 5.8 | 12.2, 5.6 | 12.8, 5.9 | .004 | 0.988 (0.965,1.011) |
PSA mass μg (mean, SD) | 89.8, 95.6 | 65.5, 65.8 | 50.0, 56.9 | < 0.001 | 1.004 (1.004, 1.005) |
Exercised, N (%) | .009 | ||||
More than once per week | 144 (56.0) | 344 (64.4) | 157 (69.2) | 1.084 (0.770,1.527) | |
Once per week or less | 113 (44.0) | 190 (35.6) | 70 (30.8) | Ref | |
Marital status, N (%) | .161 | ||||
Married | 269 (79.1) | 623 (83.6) | 276 (83.6) | 0.964 (0.692,1.342) | |
Unmarried | 71 (20.9) | 122 (16.4) | 54 (16.4) | Ref | |
Race, N (%) | < 0.001 | ||||
African American | 103 (26.9) | 160 (19.5) | 59 (15.8) | 1.564 (1.210,2.021) | |
Other | 280 (73.1) | 660 (80.5) | 314 (84.2) | Ref | |
Smoking status, N (%) | .087 | ||||
Current | 31 (8.8) | 56 (7.4) | 41 (12.0) | 1.440 (0.926, 2.240) | |
Former | 161 (45.9) | 334 (43.9) | 135 (39.6) | 1.244 (0.962,1.608) | |
Never | 159 (45.3) | 371 (48.8) | 165 (48.4) | Ref | |
Education, N (%) | .165 | ||||
College or higher | 213 (61.9) | 510 (66.1) | 239 (68.7) | 0.845 (0.657,1.086) | |
Less than college | 131 (38.1) | 262 (33.9) | 109 (31.3) | Ref | |