Table 1.

Characteristics of study participants included in analysis in the PROCAP study divided by total recreational MET-hours per day after diagnosis

Total MET-h/d
All (n = 4,623)<5 (n = 1,206)≥5 (n = 3,417)
Mean (SD)Mean (SD)Mean (SD)Pa
Height,b cm177.4 (6.4)177.5 (6.7)177.4 (6.2)0.589
Weight at diagnosis,c kg82.5 (11.2)84.0 (12.4)82.0 (10.7)<0.001
Total energy intake, kJ9,536 (3,809)9,190 (4,329)9,658 (3,600)<0.001
PSA,d ng/mL8.5 (4.2)8.5 (4.2)8.4 (4.2)0.626
n (%)n (%)n (%)
Age at diagnosis, y<0.001
 <55328 (7.1)126 (10.5)202 (5.9)
 55–<60946 (20.5)234 (19.4)712 (20.8)
 60–<651,465 (31.7)319 (26.5)1,146 (33.5)
 65–<701,617 (35.0)445 (36.9)1,172 (34.3)
 ≥70267 (5.8)82 (6.8)185 (5.4)
BMI at diagnosis, kg/m2<0.001
 <251,702 (36.8)400 (33.2)1,302 (38.1)
 25–302,369 (51.2)604 (50.1)1,765 (51.7)
 >30509 (11.0)186 (15.4)323 (9.5)
 Missing data43 (0.9)16 (1.3)27 (0.8)
Walking or biking after diagnosis<0.001
 <20 min/d1,105 (23.9)671 (55.6)434 (12.7)
 ≥20 min/d3,518 (76.1)535 (44.4)2,983 (87.3)
Household work after diagnosis<0.001
 <1 h/d1,612 (34.9)1,079 (89.5)533 (15.6)
 ≥1 h/d3,011 (65.1)127 (10.5)2,884 (84.4)
Exercising after diagnosis<0.001
 <1 h/wk1,914 (41.4)820 (68.0)1,094 (32.0)
 ≥1 h/wk2,709 (58.6)386 (32.0)2,323 (68.0)
Weight change since diagnosis<0.001
 No change or <5% change3,490 (75.5)820 (68.0)2,670 (78.1)
 >5% increase724 (15.7)265 (22.0)459 (13.4)
 >5% decrease409 (8.9)121 (10.0)288 (8.4)
Education level0.313
 ≤9 y1,824 (39.5)484 (40.1)1,340 (39.2)
 >9–≤12 y1,657 (35.8)442 (36.7)1,215 (35.6)
 >12 y1,111 (24.0)270 (22.4)841 (24.6)
 Missing data31 (0.7)10 (0.8)21 (0.6)
Smoking<0.001
 Never smoker1,980 (42.8)452 (37.5)1,528 (44.7)
 Past smoker2,255 (48.8)623 (51.7)1,632 (47.8)
 Current smoker360 (7.8)123 (10.2)237 (6.9)
 Missing data28 (0.6)8 (0.7)20 (0.6)
Tumor stage0.001
 T1a200 (4.3)68 (5.6)132 (3.9)
 T1b228 (4.9)62 (5.1)166 (4.9)
 T1c2,262 (48.9)555 (46.0)1,707 (50.0)
 T21,775 (38.4)481 (39.9)1,294 (37.9)
 Missing data158 (3.4)40 (3.3)118 (3.5)
N-stage0.479
 N01,386 (30.0)348 (28.9)1,038 (30.4)
 N149 (1.1)11 (0.9)38 (1.1)
 NX2,982 (64.5)794 (65.8)2,188 (64.0)
 Missing data206 (4.5)53 (4.4)153 (4.5)
M-stage0.369
 M02,278 (49.3)581 (48.2)1,697 (49.7)
 MX2,162 (46.8)577 (47.8)1,585 (46.4)
 Missing data183 (4.0)48 (4.0)135 (4.0)
Gleason score0.159
 <61,107 (23.9)282 (23.4)825 (24.1)
 61,796 (38.8)454 (37.6)1,342 (39.3)
 >6867 (18.8)248 (20.6)619 (18.1)
 Missing data853 (18.5)222 (18.4)631 (18.5)
Primary treatment0.043
 Surveillance1,062 (23.0)291 (24.1)771 (22.6)
 Radical prostatectomy2,328 (50.4)571 (47.3)1,757 (51.4)
 Radiation therapy930 (20.1)253 (21.0)677 (19.8)
 Hormone therapy115 (2.5)39 (3.2)76 (2.2)
 Missing data188 (4.1)52 (4.3)136 (4.0)
  • aP values from t test (continuous variables) and χ2 test (categorical variables).

  • bMissing data: n = 33.

  • cMissing data: n = 17.

  • dMissing data: n = 156.