Table 2.
Male beverage intake and probability of implantation and clinical pregnancy
| ALCOHOL | CAFFEINE | |||||
|---|---|---|---|---|---|---|
| Beverage intake quartile** | Crude rate | Age adjusted probability,% (95% CI) |
Multivariate adjusted* probability (95% CI) |
Crude rate | Age adjusted probability,% (95% CI) |
Multivariate adjusted* probability (95% CI) |
| Implantation | ||||||
| Q1 | 29/57 | 53.2(38.6–67.3) | 45.6(27.6–64.8) | 26/44 | 59.7(43.9–73.7) | 66.1(46.5–81.3) |
| Q2 | 28/47 | 61.3(45.5–75.0) | 59.1(40.1–75.8) | 35/47 | 74.9(59.8–85.7) | 76.2(58.8–87.7) |
| Q3 | 31/52 | 60.2(44.8–73.9) | 65.1(46.9–79.8) | 28/43 | 66.5(50.5–79.5) | 69.1(50.0–83.4) |
| Q4 | 32/49 | 66.2(50.6–78.9) | 76.3(56.3–88.9) | 31/71 | 44.0(31.9–56.8) | 42.3(28.0–58.0) |
| P-trend | 0.25 | 0.05 | 0.04 | 0.02 | ||
| Clinical Pregnancy | ||||||
| Q1 | 26/57 | 48.7(34.3–63.3) | 42.6(25.3–62.0) | 25/44 | 57.1(41.7–71.2) | 62.5(43.3–78.5) |
| Q2 | 25/47 | 54.9(39.3–69.7) | 49.1(31.7–66.8) | 31/47 | 66.3(51.3–78.7) | 68.4(50.9–81.9) |
| Q3 | 28/52 | 55.5(40.1–69.8) | 59.1(41.4–74.7) | 28/43 | 66.0(50.3–78.8) | 68.0(49.3–82.2) |
| Q4 | 29/49 | 60.8(45.2–74.5) | 70.9(50.2–85.4) | 24/71 | 34.1(23.6–46.4)*** | 32.7(20.4–47.9)*** |
| P-trend | 0.28 | 0.06 | 0.01 | 0.01 | ||
*
Adjusted for age, BMI, race, male caffeine or alcohol intake, smoking status, total calorie and dietary pattern, infertility diagnosis, and female caffeine intake, female alcohol intake, female age, female BMI
**
For alcohol, quartiles are: < 3g/day, 3–11.9g/day, 12–21.9g/day, and ≥ 22g/day. For caffeine, quartiles are: <99mg/day, 99–208.9mg/day, 209–271.9mg/day, and ≥ 272mg/day
***
P < 0.05 compared to Q1