Table III.
RR of infertility by average stress biomarker level in the first two cycles of participation (n = 299).
| RR | 95% CI | Adjusted RRb | 95% CI | |
|---|---|---|---|---|
| Alpha-amylasea | 1.41 | [1.04, 1.90] | 1.46 | [1.08, 1.98] |
| Lowest | — | — | — | — |
| Middle | 0.92 | [0.44, 1.93] | 1.02 | [0.47, 2.19] |
| Highest | 1.75 | [0.91, 3.35] | 2.07 | [1.04, 4.11] |
| Cortisola | 0.24 | [0.03, 2.20] | 0.36 | [0.05, 2.77] |
| Lowest | — | — | — | — |
| Middle | 1.12 | [0.60, 2.08] | 1.33 | [0.69, 2.55] |
| Highest | 0.72 | [0.36, 1.43] | 0.84 | [0.40, 1.76] |
aModeled as a continuous variable then in tertiles (separate models).
bAdjusted for age of female, difference in age between male and female, income of female (dichotomized), race of female (dichotomized), female's cigarette use, female's caffeine use and female's alcohol use.