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. Author manuscript; available in PMC: 2024 Sep 1.
Published in final edited form as: Cancer Epidemiol Biomarkers Prev. 2024 Mar 1;33(3):419–425. doi: 10.1158/1055-9965.EPI-23-1207

Table 1.

Baseline characteristics at enrollment of individuals with advanced prostate cancer in IRONMAN, by marital status and living arrangement (N=2,119)

MARRIED NOT MARRIED
Living alone (n = 20) Not living alone (n = 1647) Total (n = 1667) Living alone (n = 317) Not living alone (n = 135) Total (n = 452)
Age, years (median, IQR) 73.5 (68.0 – 78.0) 71.0 (65.0 – 76.0) 71.0 (65.0 – 76.0) 70.0 (64.0 – 77.0) 69.0 (62.5 – 75.5) 70.0 (63.0 – 76.0)
Disease state, n (%)
mHSPC 14 (70) 1077 (65) 1091 (65) 216 (68) 94 (70) 310 (69)
CRPC 6 (30) 570 (35) 576 (35) 101 (32) 41 (30) 142 (31)
Continent of enrollment, n (%)
North America 8 (40) 766 (46) 774 (46) 143 (45) 59 (44) 202 (45)
Europe 10 (50) 670 (41) 680 (41) 140 (44) 55 (41) 195 (43)
Other 2 (10) 211 (13) 213 (13) 34 (11) 21 (16) 55 (12)
Race, n (%)
White 14 (70) 1319 (80) 1333 (80) 259 (82) 94 (70) 353 (78)
Non-white 6 (30) 328 (20) 334 (20) 58 (18) 41 (30) 99 (22)
Employment status, n (%)
Not working/Retired 15 (75) 1185 (72) 1200 (72) 227 (72) 98 (73) 325 (72)
Currently working 5 (25) 462 (28) 467 (28) 90 (28) 37 (27) 127 (28)
Smoking status, n (%)
Non-smokers 17 (85) 1501 (91) 1518 (91) 1269 (85) 113 (84) 382 (85)
Current smokers 3 (15) 146 (9) 149 (9) 48 (15) 22 (16) 70 (15)
Family history of prostate cancer, n (%)
No 18 (90) 1318 (80) 1336 (80) 261 (82) 114 (84) 375 (83)
Yes 2 (10) 329 (20) 331 (20) 56 (18) 21 (16) 77 (17)
PSA, ng/ml (median, IQR) 6.0 (2.9 – 31.1) 5.4 (1.0 – 23.0) 5.4 (1.0 – 23.0) 8.6 (1.6 – 45.0) 5.9 (0.8 – 26.5) 7.3 (1.4 – 41.5)
Education level, n (%) a
Less than some college 10 (56) 732 (50) 742 (50) 167 (58) 79 (63) 246 (59)
Some college or more 8 (44) 744 (50) 752 (50) 123 (42) 47 (37) 170 (41)
Missing 2 171 173 27 9 36
Gleason Score, n (%) a
6 or less 1 (7) 62 (4) 63 (4) 12 (5) 3 (3) 15 (4)
7 5 (33) 380 (26) 385 (26) 88 (33) 36 (32) 124 (33)
8 3 (20) 283 (20) 286 (20) 38 (14) 20 (18) 58 (15)
9–10 6 (40) 713 (50) 719 (49) 125 (48) 53 (47) 178 (47)
Missing 5 209 214 54 23 77
ECOG performance status, n (%) a
0 12 (63%) 838 (56%) 850 (56%) 152 (53%) 57 (48%) 209 (51%)
1 5 (26%) 541 (36%) 546 (36%) 114 (40%) 51 (43%) 165 (41%)
2 2 (11%) 79 (5%) 81 (5%) 19 (7%) 10 (8%) 29 (7%)
3 0 (0%) 32 (2%) 32 (2%) 2 (1%) 1 (1%) 3 (1%)
4 0 (0%) 4 (0%) 4 (0%) 0 (0%) 0 (0%) 0 (0%)
Missing 1 153 154 30 16 46

Abbreviations: IRONMAN, International Registry for Men with Advanced Prostate Cancer; IQR, Interquartile range; mHSPC, Metastatic hormone-sensitive prostate cancer; CRPC, Castration resistant prostate cancer; PSA, Prostate specific antigen; ECOG, Eastern Cooperative Oncology Group.

a

Among those with non-missing data.