| Questions | Male (total), % | Female (total), % | Total (total), % | value |
| (1) Previous diagnosis of any bleeding disorder? | | | | | Yes | 42 (1901), 2.2 | 30 (1980), 1.5 | 72 (3881), 1.9 | 0.069 | Did not reply | - | - | - | | (2) Previous episodes of epistasis? | | | | | Yes | 453 (1901), 23.8 | 311 (1980), 15.7 | 764 (3881), 19.7 | <0.001 | Did not reply | - | - | - | | (3) Bleeding under the skin? | | | | | Yes | 218 (1840), 11.8 | 406 (1931), 21.0 | 624 (3771), 16.5 | <0.001 | Did not reply | 61 | 49 | 110 | | (4) Postsurgery bleeding? | | | | | Yes | 97 (1834), 5.3 | 313 (1930), 16.2 | 410 (3764), 10.9 | <0.001 | Did not reply | 67 | 50 | 117 | | (5) Bleeding from the mouth? | | | | | Yes | 161 (1801), 8.9 | 188 (1928), 9.8 | 349 (3729), 9.4 | 0.399 | Did not reply | 100 | 52 | 152 | | (6) Bleeding from the digestive system? | | | | | Yes | 107 (1834), 5.8 | 211 (1930), 10.9 | 318 (3764), 8.4 | <0.001 | Did not reply | 67 | 50 | 117 | | (7) Postdental extraction bleeding? | | | | | Yes | 314 (1823), 17.2 | 126 (1926), 6.5% | 440 (3749), 11.7 | <0.001 | Did Not Reply | 78 | 54 | 132 | | (8) Muscular bleeding? | | | | | Yes | 94 (1725), 5.4 | 201 (1894), 10.6 | 295 (3619), 8.2 | <0.001 | Did Not Reply | 176 | 86 | 262 | | (9) Family history of bleeding disorders? | | | | | Yes | 146 (1821), 8.0 | 91 (1909), 4.8 | 237 (3730), 6.4 | <0.001 | Did Not Reply | 80 | 71 | 151 | | (10) Any other bleeding disorders? (for boys only) | | | | | Yes | 173 (1882), 9.2 | - | 173 (1882), 9.2 | - | Did Not Reply | 19 | - | 19 | | (11) Heavy menstrual bleeding (girls only) | | | | | Yes | - | 330 (1980), 16.7 | 330 (1980), 16.7 | - | Did Not Reply | - | - | - | | (12) Any Question 2 through 8 or 10 | | | | | Yes | 832 (1901), 43.8 | 1017 (1980), 51.4 | 1849 (3881), 47.6 | <0.001 | Did Not Reply | - | - | - | |
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