Table 1.
Baseline and reproductive characteristics of the 494 included women.
| Number | % | |
|---|---|---|
| Class Age (Years) | ||
| Mean ± SD | 36.6 ± 6.0 | |
| <35 | 136 | 27.5 |
| 35–39 | 245 | 49.6 |
| ≥40 | 113 | 22.9 |
| College Degree | 255 | 51.6 |
| BMI (kg/m2) | ||
| <25 | 394 | 79.8 |
| ≥25 | 97 | 19.6 |
| Smoking Habits | ||
| Never | 273 | 55.3 |
| Current | 91 | 18.4 |
| Former | 130 | 26.3 |
| Caffeine Intake (Tertiles) | ||
| 1st | 163 | 33.0 |
| 2nd | 168 | 34.0 |
| 3rd | 163 | 33.0 |
| Alcohol Intake (Units/Week) | ||
| Abstainers | 140 | 28.3 |
| <1 | 92 | 18.6 |
| 1–2 | 86 | 17.4 |
| ≥2 | 176 | 35.6 |
| Occupational Physical Activity | ||
| Heavy/moderate | 139 | 28.1 |
| Mainly standing | 106 | 21.5 |
| Mainly sitting | 247 | 50.0 |
| Leisure Physical Activity (hours/week) | ||
| <2 | 266 | 53.8 |
| 2–4 | 176 | 35.6 |
| ≥5 | 51 | 10.3 |
| Diagnosis of Infertility | ||
| Male factor only | 129 | 26.1 |
| Endometriosis | 103 | 20.9 |
| Tubal | 54 | 10.9 |
| Low ovarian reserve | 97 | 19.6 |
| Ovulatory | 20 | 4.0 |
| Unexplained | 91 | 18.4 |
| Previous ART cycles | 285 | 57.7 |
| Median | IQR | |
| Total Calories Intake (kcal/die) | 1707 | 1421–2036 |
| FSH (mIU/mL) | 7.3 | 5.8–8.9 |
| AMH (ng/mL) | 1.6 | 0.8–3.2 |
BMI: body mass index; IQR: interquartile range; ART: assisted reproduction techniques; FSH: follicle-stimulating hormone; AMH: anti-Muellerian hormone.