Table 1 Summary of demographic, clinical, and behavior features
|  |  | N = 243 |
|---|---|---|
Age, (mean (SD)) | Â | 40.70 (16.11) |
Race, (n (%)) | ||
| Â | White | 230 (95) |
| Â | Black | 8 (3) |
| Â | Others | 4 (2) |
| Â | Missing | 1 (0) |
Education, (n (%)) | ||
| Â | Postgrad | 95 (39) |
| Â | Undergrad | 58 (24) |
| Â | No degree | 88 (36) |
| Â | Missing | 2 (1) |
Smoking status, (n (%)) | ||
| Â | Never | 97 (40) |
| Â | Former | 42 (17) |
| Â | Current | 103 (42) |
| Â | Missing | 1 (0) |
Antibiotics usage, (n (%)) | ||
| Â | No | 128 (53) |
| Â | Yes | 115 (47) |
STI, (n (%)) | ||
| Â | No | 203 (84) |
| Â | Yes | 39 (16) |
| Â | Missing | 1 (0) |
Substance use, (n (%)) | ||
| Â | No | 45 (19) |
| Â | Yes | 197 (81) |
| Â | Missing | 1 (0) |
HBV, (n (%)) | ||
| Â | Negative | 96 (40) |
| Â | Resolved | 133 (55) |
| Â | Positive | 8 (3) |
| Â | Missing | 6 (2) |
HCV, (n (%)) | ||
| Â | Negative | 231 (95) |
| Â | Positive | 6 (2.5) |
| Â | Missing | 6 (2.5) |
Sexual exposure group, (n (%)) | ||
| Â | G1 | 63 (26) |
| Â | G2 | 57 (23) |
| Â | G3 | 86 (35) |
| Â | G4 | 35 (14) |
| Â | Missing | 2 (1) |