Table 1. Characteristics of Study Participants.
| Patients (N = 74) | Healthy controls (N = 28) | |
|---|---|---|
| Mean age (SD) | 32.76 (11.48) | 35.52 (10.25) |
| Range | 19-64 | 18-54 |
| Education | ||
| Grade school | 21.6% | 25.0% |
| High school | 25.7% | 42.9% |
| Some college/college degree | 39.2% | 25.0% |
| Post-graduate degree | 13.5% | 7.1% |
| Married/Living with Partner | 43.5% | 25.0% |
| HPV-positive* | 55.4% | 17.9% |
| Mean age at first intercourse | 16.48 (2.34) | 16.52 (1.85) |
| Range | 9-22 | 14-21 |
| Number of recent sexual partners (past 3 mos.)* | ||
| 0 | 11.9% | 35.7% |
| 1 | 79.1% | 57.1% |
| 2 | 4.5% | 7.1% |
| 3+ | 4.5% | 0% |
| Nulliparous* | 39.3% | 75.0% |
| Use oral contraceptives | 32.8% | 14.3% |
| Current smoker | 34.3% | 42.9% |
| Immune cell subsets | ||
| Helper T cells (cells/mm3) | 1507.87 (629.65) | 1548.04 (485.98) |
| Cytotoxic/suppressor T cells (cells/mm3) | 742.04 (422.31) | 840.48 (352.60) |
| NK cells (cells/mm3)* | 357.20 (240.21) | 228.67 (144.37) |
*
indicates a significant difference between patients and controls, p < 0.05.