Table 1.
Demographic characteristics of 492 women, according to alcohol intake, smoking habits and leisure PA
| Alcohol intake (g/day) | Smoking | Leisure physical activity | ||||||||||||||||||
| Abstainers | First tertile | Second tertile | Third tertile | Never | Current | Former | <2 hours/week | 2–4 hours/week | ≥5 hours/week | |||||||||||
| 0 | 0.01–2.27 | 2.28–5.74 | ≥5.75 | |||||||||||||||||
| n=140 | 28.50% | n=117 | 23.80% | n=122 | 24.80% | n=113 | 23.00% | n=272 | 55.30% | n=90 | 18.30% | n=130 | 26.40% | n=256 | 54.10% | n=175 | 35.60% | n=51 | 10.40% | |
| Age (years) | ||||||||||||||||||||
| <35 | 46 | 32.9 | 38 | 32.5 | 25 | 20.5 | 27 | 23.9 | 71 | 26.1 | 28 | 31.1 | 38 | 29.2 | 78 | 29.3 | 47 | 26.9 | 11 | 21.6 |
| 35–39 | 70 | 50 | 50 | 42.7 | 64 | 52.5 | 59 | 52.2 | 131 | 48.2 | 46 | 51.1 | 65 | 50 | 123 | 46.2 | 89 | 50.9 | 31 | 60.8 |
| ≥40 | 24 | 17.1 | 29 | 24.8 | 33 | 27 | 27 | 23.9 | 70 | 25.7 | 16 | 17.8 | 27 | 20.8 | 65 | 24.4 | 39 | 22.3 | 9 | 17.6 |
| College degree | 49 | 35 | 64 | 54.7 | 70 | 57.4 | 72 | 63.7 | 151 | 55.5 | 35 | 28.5 | 66 | 50.8 | 120 | 45.1 | 110 | 62.9 | 25 | 49 |
| Cause of infertility | ||||||||||||||||||||
| Male factor only | 37 | 26.4 | 35 | 29.9 | 33 | 27 | 23 | 20.4 | 69 | 25.4 | 22 | 24.4 | 37 | 28.5 | 68 | 25.6 | 47 | 26.9 | 13 | 25.5 |
| Low ovarian reserve | 26 | 18.6 | 25 | 21.4 | 24 | 19.7 | 22 | 19.5 | 55 | 20.2 | 20 | 22.2 | 22 | 16.9 | 51 | 19.2 | 36 | 20.6 | 10 | 19.6 |
| Endometriosis | 27 | 19.3 | 21 | 18 | 28 | 23 | 27 | 23.9 | 52 | 19.1 | 19 | 21.1 | 32 | 24.6 | 64 | 24.1 | 29 | 16.6 | 10 | 19.6 |
| Ovulatory | 10 | 7.1 | 5 | 4.3 | 4 | 3.3 | 0 | 0 | 15 | 5.5 | 0 | 0 | 4 | 3.1 | 12 | 4.5 | 5 | 2.9 | 2 | 3.9 |
| Tubal | 11 | 7.9 | 17 | 14.5 | 11 | 9 | 15 | 13.3 | 19 | 7 | 16 | 17.8 | 19 | 14.6 | 26 | 9.8 | 21 | 12 | 7 | 13.7 |
| Unexplained | 29 | 20.7 | 14 | 12 | 22 | 18 | 26 | 23 | 62 | 22.8 | 13 | 14.4 | 16 | 12.3 | 45 | 16.9 | 37 | 21.1 | 9 | 17.6 |
| BMI (kg/m-2) | ||||||||||||||||||||
| <18.5 | 12 | 8.6 | 11 | 9.4 | 12 | 9.8 | 12 | 10.6 | 28 | 10.3 | 8 | 8.9 | 11 | 8.5 | 28 | 10.5 | 15 | 8.6 | 4 | 7.8 |
| 18.5–24.9 | 98 | 70 | 80 | 68.4 | 97 | 79.5 | 94 | 83.2 | 202 | 74.3 | 67 | 74.4 | 100 | 76.9 | 190 | 71.4 | 137 | 78.3 | 42 | 82.4 |
| 25.0–29.9 | 16 | 11.4 | 15 | 12.8 | 8 | 6.6 | 7 | 6.2 | 26 | 9.6 | 7 | 7.8 | 13 | 10 | 29 | 10.9 | 13 | 7.4 | 4 | 7.8 |
| ≥30.0 | 14 | 10 | 11 | 9.4 | 5 | 4.1 | 0 | 0 | 16 | 5.9 | 8 | 8.9 | 6 | 4.6 | 19 | 7.1 | 10 | 5.7 | 1 | 2 |
| Occupational PA | ||||||||||||||||||||
| Heavy/moderate | 50 | 35.7 | 27 | 23.3 | 33 | 27.1 | 28 | 24.8 | 70 | 25.7 | 26 | 28.9 | 42 | 32.3 | 83 | 31.3 | 40 | 22.9 | 15 | 30 |
| Mainly standing | 32 | 22.9 | 30 | 25.9 | 25 | 20.5 | 19 | 16.8 | 58 | 21.3 | 22 | 24.4 | 26 | 20 | 60 | 22.6 | 32 | 18.3 | 14 | 28 |
| Mainly sitting | 58 | 41.4 | 59 | 50.9 | 63 | 51.6 | 66 | 58.4 | 144 | 52.9 | 42 | 46.7 | 60 | 46.2 | 122 | 46.1 | 103 | 58.9 | 21 | 42 |
| Previous ART cycle | 84 | 60 | 67 | 57.3 | 69 | 56.6 | 65 | 57.5 | 165 | 60.7 | 42 | 46.7 | 78 | 60 | 155 | 58.3 | 98 | 56 | 32 | 62.8 |
| Mean calories (kcal/day), mean (SD) | 1711 | 458 | 1705 | 401 | 1782 | 415 | 1812 | 493 | 1764 | 437 | 1761 | 446 | 1712 | 457 | 1788 | 444 | 1739 | 425 | 1597 | 481 |
| Mediterranean diet | ||||||||||||||||||||
| Score (n=473)* | ||||||||||||||||||||
| 0–4 | 51 | 38.4 | 37 | 32.5 | 33 | 28 | 34 | 31.5 | 75 | 28.6 | 32 | 37.2 | 25 | 20 | 79 | 31.1 | 41 | 24.3 | 12 | 24.5 |
| 5–6 | 53 | 39.8 | 52 | 45.6 | 53 | 44.9 | 45 | 41.7 | 113 | 43.1 | 31 | 36.1 | 56 | 44.8 | 110 | 43.3 | 73 | 43.2 | 16 | 32.6 |
| 7–9 | 29 | 21.8 | 25 | 21.9 | 32 | 27.1 | 29 | 26.8 | 74 | 28.2 | 23 | 26.7 | 44 | 35.2 | 65 | 25.6 | 55 | 32.5 | 21 | 42.9 |
Bold: p<0.05; sometimes the sums do not add up to the total because of missing values.
*MDS without alcohol was calculated for class of alcohol intake.
ART, assisted reproduction technology; BMI, body mass index;PA, physical activity.