| 人口学变量 | 人数(n%) | 无保护性行为 | 多性伴性行为 | |||
| 无(n%) | 有(n%) | 无(n%) | 有(n%) | |||
| 性别 | 男 | 287 (65.1) | 193 (67.2) | 94 (32.8) | 171 (59.6) | 116 (40.4) |
| 女 | 154 (34.9) | 137 (89.0) | 17 (11.0) | 111 (72.1) | 43 (27.9) | |
| c2 |
|
| 25.088 | 6.788 | ||
| P值 |
|
| 0.000 | 0.009 | ||
| 年级 | 大一 | 115 (26.1) | 81 (70.4) | 34 (29.6) | 77 (67.0) | 38 (33.0) |
| 大二 | 157 (35.6) | 118 (75.2) | 39 (24.8) | 97 (61.8) | 60 (38.2) | |
| 大三 | 169 (38.3) | 131 (77.5) | 38 (22.5) | 108 (63.9) | 61 (36.1) | |
| c2 |
|
| 1.835 | 0.771 | ||
| P值 |
|
| 0.399 | 0.680 | ||
| 专业 | 文科 | 81 (18.4) | 75 (92.6) | 6 (7.4) | 58 (71.6) | 23 (28.4) |
| 理科 | 77 (17.5) | 42 (54.5) | 35 (45.5) | 52 (67.5) | 25 (32.5) | |
| 体育 | 164 (37.2) | 113 (68.9) | 51 (31.1) | 89 (54.3) | 75 (45.7) | |
| 美术 | 119 (27.0) | 100 (84.0) | 19 (16.0) | 83 (69.7) | 36 (30.3) | |
| c2 |
|
| 38.801 | 10.890 | ||
| P值 |
|
| 0.000 | 0.012 | ||
| 生源地 | 农村 | 242 (54.9) | 171 (70.7) | 71 (29.3) | 154 (63.6) | 88 (36.4) |
| 城市 | 199 (45.1) | 159 (79.9) | 40 (20.1) | 128 (64.3) | 71 (35.7) | |
| c2 |
|
| 4.948 | 0.022 | ||
| P值 |
|
| 0.026 | 0.881 | ||
| 性取向 | 异性恋 | 357 (81.0) | 268 (75.1) | 89 (24.9) | 237 (66.4) | 120 (33.6) |
| 同性恋 | 15 (3.4) | 10 (66.7) | 5 (33.3) | 5 (33.3) | 10 (66.7) | |
| 双性恋 | 55 (12.5) | 41 (74.5) | 14 (25.5) | 31 (56.4) | 24 (43.6) | |
| 未确定 | 14 (3.2) | 11 (78.6) | 3 (21.4) | 9 (64.3) | 5 (35.7) | |
| c2 |
|
| 0.648 | 8.392 | ||
| P值 |
|
| 0.885 | 0.039 | ||
| 饮酒 | 不饮 | 162 (36.7) | 131 (80.9) | 31 (19.1) | 116 (71.6) | 46 (28.4) |
| 饮 | 279 (63.3) | 199 (71.3) | 80 (28.7) | 166 (59.5) | 113 (40.5) | |
| c2 |
|
| 4.950 | 6.516 | ||
| P值 |
|
| 0.026 | 0.011 | ||