Table 1.
Demographic/lifestyle characteristics of couples undergoing IVF treatment (N = 326).
| Females | Males | Correlation coefficient (95% CI) | P value for association between traits in couples* | |
|---|---|---|---|---|
| Age (years) | 35.6 (4.4) | 37.2 (5.7) | 0.61 (0.53, 0.69) | < 0.001 |
| Height (cm) | 164.2 (6.3) | 176.5 (5.1) | 0.22 (0.12, 0.32) | < 0.001 |
| Weight (kg) | 66.7 (9.7) | 78.6 (10.2) | 0.01 (− 0.10, 0.12) | 0.86 |
| BMI (kg/m2) | 24.7 (3.24) | 25.2 (3.0) | − 0.03 (− 0.14, 0.08) | 0.55 |
| Alcohol (units per week) | 4 (1,8) | 4 (2,9) | 0.62 (0.50, 0.74) | < 0.001 |
| Education | ||||
| School | 146 (45%) | 147 (45%) | ||
| Undergraduate | 115 (35%) | 139 (43%) | ||
| Postgraduate | 65 (20%) | 40 (12%) | < 0.001 | |
| Smoking | ||||
| Ever | 83 (25%) | 97 (30%) | ||
| Never | 243 (75%) | 229 (70%) | 0.47 (0.36, 0.57) | < 0.001 |
| Physical activity (times per week) | ||||
| Never/once | 33 (10%) | 29 (9%) | ||
| Twice | 70 (21%) | 73 (22%) | ||
| 3–4 times | 196 (60%) | 177 (54%) | ||
| > 4 times | 27 (8%) | 47 (14%) | < 0.001 | |
| Family history of cardiometabolic disease | ||||
| Yes | 167 (51%) | 154 (47%) | ||
| No | 159 (49%) | 172 (53%) | 0.39 (0.29, 0.50) | < 0.001 |
| Ethnicity | ||||
| White | 299 (92%) | 300 (92%) | ||
| Non-white | 27 (8%) | 26 (8%) | 0.73 (0.59 ,0.88) | < 0.001 |
*From Pearson’s correlation/chi square test.