Table 2. Comparison of immune mediators in cervicovaginal lavage samples pre- and post-first sexual intercourse.
Results of univariate mixed-effect models with first sex as fixed effect and participant as random effects. Mean log2 pg/mL difference values above 0 indicate higher concentrations post-first sex. Ratio indicates the multiplicative ratio of post over pre-sex (on a linear scale), so a ratio of 1 indicates no difference, ratios >1 indicate higher post, and ratios <1 indicate higher pre. The ratio is calculated as 2^mean log2 difference. Adjusted p-values are adjusted by Holm-Bonferroni for 19 immune mediators.
| Immune mediator | Mean log2 difference | Standard error | Ratio (95% CI) | p-Value | Adjusted p-value |
|---|---|---|---|---|---|
| IL-2 | 0.90 | 0.25 | 1.86 (1.32–2.62) | 4.7E-4 | 0.009 |
| IL-1β | 1.33 | 0.43 | 2.51 (1.4–4.51) | 0.002 | 0.044 |
| CXCL8 | 1.01 | 0.33 | 2.02 (1.29–3.17) | 0.003 | 0.045 |
| IL-1α | 0.67 | 0.24 | 1.59 (1.15–2.2) | 0.006 | 0.088 |
| CCL3 | 0.62 | 0.22 | 1.53 (1.13–2.07) | 0.006 | 0.091 |
| IL-17A | 0.64 | 0.25 | 1.56 (1.11–2.18) | 0.011 | 0.154 |
| TNF-α | 0.69 | 0.29 | 1.61 (1.08–2.39) | 0.020 | 0.236 |
| CXCL10 | 0.74 | 0.32 | 1.67 (1.08–2.57) | 0.021 | 0.236 |
| CXCL9 | 0.60 | 0.26 | 1.51 (1.07–2.14) | 0.021 | 0.236 |
| IL-1RA | 0.48 | 0.22 | 1.39 (1.03–1.88) | 0.032 | 0.258 |
| IL-6 | 0.81 | 0.39 | 1.75 (1.03–2.98) | 0.041 | 0.284 |
| CCL4 | 0.42 | 0.27 | 1.33 (0.93–1.92) | 0.124 | 0.621 |
| CCL20 | 0.53 | 0.36 | 1.44 (0.88–2.34) | 0.146 | 0.621 |
| CCL5 | 0.39 | 0.28 | 1.31 (0.9–1.92) | 0.166 | 0.621 |
| IL-18 | 0.44 | 0.36 | 1.35 (0.83–2.22) | 0.232 | 0.621 |
| IL-7 | 0.02 | 0.18 | 1.01 (0.79–1.3) | 0.921 | 0.921 |