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. Author manuscript; available in PMC: 2014 Oct 1.
Published in final edited form as: Cancer Epidemiol Biomarkers Prev. 2013 Jul 19;22(10):1762–1770. doi: 10.1158/1055-9965.EPI-13-0303

Table 1.

Distribution of sociodemographic and sexual behavior characteristics by race

Characteristic Total White Black Asian/PI Multiple and Mixed Race P-value1
Clinic Site
 United states 1306 (32.9%) 877 (48.6%) 227 (36.1%) 89 (80.2%) 113 (7.9%) < 0.0001
 Brazil 1383 (34.8%) 856 (47.4%) 399 (63.4%) 22 (19.8%) 106 (7.4%)
 Mexico 1284 (32.3%) 72 (4%) 3 (0.5%) 0 (0%) 1209 (84.7%)
 Total 3973 (100%) 1805 (45.4%) 629 (15.8%) 111 (2.8%) 1428 (35.9%)
Age
 18 to 30 1938 (48.8%) 943 (52.2%) 279 (44.4%) 90 (81.1%) 626 (43.8%) < 0.0001
 31 to 44 1516 (38.2%) 619 (34.3%) 256 (40.7%) 19 (17.1%) 622 (43.6%)
 45 to 70 519 (13.1%) 243 (13.5%) 94 (14.9%) 2 (1.8%) 180 (12.6%)
 Total 3973 (100%) 1805 (45.4%) 629 (15.8%) 111 (2.8%) 1428 (35.9%)
Ethnicity
 Hispanic 1781 (45.1%) 388 (21.7%) 75 (12.1%) 5 (4.5%) 1313 (92.3%) < 0.0001
 Non-Hispanic 2164 (54.9%) 1402 (78.3%) 547 (87.9%) 106 (95.5%) 109 (7.7%)
 Total 3945 (100%) 1790 (45.4%) 622 (15.8%) 111 (2.8%) 1422 (36%)
Years of Education
 <1 2 Years 864 (21.8%) 216 (12%) 131 (20.9%) 1 (0.9%) 516 (36.3%) < 0.0001
 Completed 12 Years 1053 (26.6%) 436 (24.2%) 233 (37.1%) 29 (26.4%) 355 (25%)
 13 to 15 Years 1019 (25.7%) 645 (35.8%) 140 (22.3%) 52 (47.3%) 182 (12.8%)
 Completed 16 Years 781 (19.7%) 380 (21.1%) 101 (16.1%) 18 (16.4%) 282 (19.8%)
 ≥ 17 Years 243 (6.1%) 124 (6.9%) 23 (3.7%) 10 (9.1%) 86 (6.1%)
 Total 3960 (100%) 1801 (45.5%) 628 (15.9%) 110 (2.8%) 1421 (35.9%)
Marital Status
 Single 1798 (45.4%) 1009 (56%) 298 (47.6%) 94 (84.7%) 397 (27.9%) < 0.0001
 Married 1347 (34%) 433 (24%) 158 (25.2%) 11 (9.9%) 745 (52.3%)
 Cohabiting 471 (11.9%) 170 (9.4%) 95 (15.2%) 3 (2.7%) 203 (14.3%)
 Divorced, Separated, Widowed 346 (8.7%) 189 (10.5%) 75 (12%) 3 (2.7%) 79 (5.5%)
 Total 3962 (100%) 1801 (45.5%) 626 (15.8%) 111 (2.8%) 1424 (35.9%)
Current Smoking Status
 No 3033 (76.4%) 1430 (79.3%) 499 (79.5%) 98 (89.1%) 1006 (70.4%) < 0.0001
 Yes 936 (23.6%) 373 (20.7%) 129 (20.5%) 12 (10.9%) 422 (29.6%)
 Total 3969 (100%) 1803 (45.4%) 628 (15.8%) 110 (2.8%) 1428 (36%)
Circumcised
 Not Circumcised 2518 (63.4%) 882 (48.9%) 406 (64.5%) 64 (57.7%) 1166 (81.7%) < 0.0001
 Circumcised 1455 (36.6%) 923 (51.1%) 223 (35.5%) 47 (42.3%) 262 (18.3%)
 Total 3973 (100%) 1805 (45.4%) 629 (15.8%) 111 (2.8%) 1428 (35.9%)
Lifetime Number of Female Partners
 0 to 1 702 (17.7%) 315 (17.5%) 110 (17.5%) 36 (32.4%) 241 (16.9%) < 0.0001
 2 to 9 1582 (39.8%) 644 (35.7%) 166 (26.4%) 53 (47.7%) 719 (50.4%)
 10 to 49 1253 (31.5%) 633 (35.1%) 241 (38.3%) 13 (11.7%) 366 (25.6%)
 ≥ 50 224 (5.6%) 132 (7.3%) 61 (9.7%) 2 (1.8%) 29 (2%)
 Refused 212 (5.3%) 81 (4.5%) 51 (8.1%) 7 (6.3%) 73 (5.1%)
 Total 3973 (100%) 1805 (45.4%) 629 (15.8%) 111 (2.8%) 1428 (35.9%)
Number of Female Partners in Past 3 to 6 Months
 None 825 (20.8%) 328 (18.2%) 103 (16.4%) 17 (15.3%) 377 (26.4%) < 0.0001
 1 1615 (40.6%) 809 (44.8%) 215 (34.2%) 54 (48.6%) 537 (37.6%)
 2 511 (12.9%) 210 (11.6%) 97 (15.4%) 10 (9%) 194 (13.6%)
 ≥ 3 518 (13%) 259 (14.3%) 116 (18.4%) 11 (9.9%) 132 (9.2%)
 Refused 504 (12.7%) 199 (11%) 98 (15.6%) 19 (17.1%) 188 (13.2%)
 Total 3973 (100%) 1805 (45.4%) 629 (15.8%) 111 (2.8%) 1428 (35.9%)
Lifetime number of Male Partners
 0 to1 3557 (90.2%) 1556 (87.2%) 541 (86.8%) 108 (97.3%) 1352 (94.9%) < 0.0001
 2 to 9 228 (5.8%) 127 (7.1%) 49 (7.9%) 3 (2.7%) 49 (3.4%)
 ≥ 10 159 (4%) 102 (5.7%) 33 (5.3%) 0 (0%) 24 (1.7%)
 Total 3944 (100%) 1785 (45.3%) 623 (15.8%) 111 (2.8%) 1425 (36.1%)
Number of Male Partners in Past 3 to 6 Months
 None 3707 (93.9%) 1638 (91.4%) 581 (92.7%) 110 (99.1%) 1378 (97.2%) < 0.0001
 ≥ 1 241 (6.1%) 154 (8.6%) 46 (7.3%) 1 (0.9%) 40 (2.8%)
 Total 3948 (100%) 1792 (45.4%) 627 (15.9%) 111 (2.8%) 1418 (35.9%)
1

Exact Pearson chi-square p-value using the Monte Carlo estimation; bolded values denote statistically significant differences (p<0.05) across race groups.