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. Author manuscript; available in PMC: 2015 May 15.
Published in final edited form as: Int J Cancer. 2013 Nov 13;134(10):2448–2457. doi: 10.1002/ijc.28567

Table 1. Distribution of select baseline characteristics of men in the HIM study by smoking status.

Characteristic Baseline only1

Overall Current Smokers Former Smokers Never Smokers P-value2
Age < 0.001
 18 to 30 1960 (48.7%) 463 (48.8%) 249 (33.2%) 1248 (53.7%)
 31 to 44 1544 (38.4%) 375 (39.6%) 317 (42.2%) 852 (36.6%)
 45 to 70 521 (12.9%) 110 (11.6%) 185 (24.6%) 226 (9.7%)
 Total 4025 (100%) 948 (100%) 751 (100%) 2326 (100%)
Race < 0.001
 White 1803 (45.4%) 373 (39.9%) 341 (46.0%) 1089 (47.5%)
 Black 628 (15.8%) 129 (13.8%) 77 (10.4%) 422 (18.4%)
 Asian/PI 110 (2.8%) 12 (1.3%) 8 (1.1%) 90 (3.9%)
 Other 1428 (36.0%) 422 (45.1%) 315 (42.5%) 691 (30.1%)
 Total 3969 (100%) 936 (100%) 741 (100%) 2292 (100%)
Ethnicity < 0.001
 Hispanic 1818 (45.6%) 519 (55.2%) 375 (50.2%) 924 (40.1%)
 Non – Hispanic 2173 (54.4%) 421 (44.8%) 372 (49.8%) 1380 (59.9%)
 Total 3991 (100%) 940 (100%) 747 (100%) 2304 (100%)
Clinic Site/Country < 0.001
 United States 1312 (32.6%) 269 (28.4%) 207 (27.6%) 836 (35.9%)
 Brazil 1396 (34.7%) 259 (27.3%) 252 (33.6%) 885 (38.0%)
 Mexico 1318 (32.7%) 420 (44.3%) 292 (38.9%) 606 (26.0%)
 Total 4026 (100%) 948 (100%) 751 (100%) 2327 (100%)
Circumcision status < 0.001
 Not Circumcised 2558 (63.6%) 628 (66.2%) 483 (64.3%) 1447 (62.2%)
 Circumcised 1467 (36.4%) 320 (33.8%) 268 (35.7%) 879 (37.8%)
 Total 4025 (100%) 948 (100%) 751 ((100%) 2326 (100%)
Lifetime No. of Female Partners < 0. 001
 0 to 1 711 (17.7%) 116 (12.2%) 71 (9.5%) 524 (22.5%)
 2 to 9 1606 (39.9%) 347 (36.6%) 292 (38.9%) 967 (41.6%)
 10 to 49 1263 (31.4%) 348 (36.7%) 294 (39.1%) 621 (26.7%)
 50+ 225 (5.6%) 67 (7.1%) 50 (6.7%) 108 (4.6%)
 Refused 220 (5.5%) 70 (7.4%) 44 (5.9%) 106 (4.6%)
 Total 4025 (100%) 948 (100%) 751 (100%) 2326 (100%)
No. of Female Partners in Past 3 or 6 Months < 0.001
 None 836 (20.8%) 204 (21.5%) 192 (25.6%) 440 (18.9%)
 1 1636 (40.6%) 368 (38.8%) 333 (44.3%) 935 (40.2%)
 2 515 (12.8%) 128 (13.5%) 86 (11.5%) 301 (12.9%)
 3+ 525 (13.0%) 139 (14.7%) 80 (10.7%) 306 (13.2%)
 Refused 513 (12.7%) 109 (11.5%) 60 (8.0%) 344 (14.8%)
 Total 4025 (100%) 948 (23.6%) 751 (18.7%) 2326 (57.8%)
Lifetime No. of Male Partners 0.136
 0 to 1 3607 (90.3%) 832 (88.6%) 673 (90.2%) 2102 (91.0%)
 2 to 9 228 (5.7%) 58 (6.2%) 48 (6.4%) 122 (5.3%)
 10+ 160 (4.0%) 49 (5.2%) 25 (3.4%) 86 (3.7%)
 Total 3995 (100%) 939 (23.5%) 746 (18.7%) 2310 (57.8%)
1

The demographic features were analyzed by baseline smoking status

2

P-value Pearson's chi-square test comparing demographics by smoking status for Baseline only