Table 2.
Characteristic | N | Pregnancy rate per couple % | p value | Live birth rate per couple %* | p value |
---|---|---|---|---|---|
Treatment | |||||
ICI | 170 | 8.2 | <0.001 | 5.9 | <0.001 |
IUI | 171 | 17.5 | 15.2 | ||
COS-ICI | 159 | 21.4 | 16.4 | ||
COS-IUI | 164 | 34.2 | 23.2 | ||
Sociodemographics | |||||
Women age (years) | |||||
20–29 | 169 | 21.9 | 0.734 | 18.3 | 0.379 |
30–34 | 306 | 19.0 | 13.7 | ||
35–40 | 189 | 20.6 | 14.3 | ||
Men Age (years) | |||||
20–29 | 95 | 23.2 | 0.696 | 17.9 | 0.666 |
30–39 | 508 | 19.9 | 14.8 | ||
40–55 | 61 | 18.0 | 13.1 | ||
Women race | |||||
White | 601 | 19.6 | 0.316 | 14.6 | 0.806 |
Black | 19 | 36.8 | 21.1 | ||
Asian | 32 | 21.9 | 18.8 | ||
Other | 12 | 16.7 | 16.7 | ||
Men race | |||||
White | 606 | 19.0 | 0.105 | 14.4 | 0.431 |
Black | 18 | 38.9 | 22.2 | ||
Asian | 30 | 30.0 | 23.3 | ||
Other | 10 | 30.0 | 20.0 | ||
Women Body mass index (kg/m2) | |||||
<=25 | 450 | 19.1 | 0.318 | 14.4 | 0.620 |
25–30 | 95 | 23.2 | 17.9 | ||
>30 | 53 | 28.3 | 18.9 | ||
Women educational level | |||||
High school | 108 | 18.5 | 0.430 | 12.0 | 0.626 |
College | 469 | 19.6 | 15.6 | ||
Post college | 87 | 25.3 | 16.1 | ||
Men educational level | |||||
High school | 113 | 19.5 | 0.974 | 15.0 | 0.940 |
College | 431 | 20.4 | 15.3 | ||
Post college | 120 | 20.0 | 14.2 | ||
Infertility risk factors (Women) | |||||
Pregnant history | |||||
No | 403 | 17.9 | 0.065 | 14.1 | 0.412 |
Yes | 261 | 23.8 | 16.5 | ||
Infertility length (months) | |||||
12–23 | 149 | 26.2 | 0.100 | 18.1 | 0.459 |
24–35 | 166 | 19.9 | 15.1 | ||
>=36 | 349 | 17.8 | 13.8 | ||
Lifestyle risk factors (Women) | |||||
Smoking | |||||
Never | 455 | 19.1 | 0.567 | 13.9 | 0.391 |
Current | 80 | 23.8 | 16.3 | ||
Past (>1 month ago) | 129 | 21.7 | 18.6 | ||
Coffee or tea drinking | |||||
Never | 74 | 16.2 | 0.008 | 13.5 | 0.007 |
Current | 545 | 19.3 | 13.9 | ||
Past (>1 month ago) | 45 | 37.8 | 31.1 | ||
Soda drinking | |||||
Never | 70 | 28.6 | 0.296 | 20.0 | 0.536 |
Current | 543 | 19.3 | 14.2 | ||
Past (>1 month ago) | 50 | 18.0 | 18.0 | ||
Alcoholic drinking | |||||
Never | 260 | 16.9 | 0.008 | 13.1 | <0.001 |
Current | 274 | 18.3 | 11.7 | ||
Past (>1 month ago) | 128 | 30.5 | 25.8 | ||
Marijuana trying | |||||
No | 311 | 19.9 | 0.825 | 13.5 | 0.532 |
Yes | 342 | 20.5 | 16.4 | ||
Unknown | 11 | 18.2 | 18.2 | ||
Cocaine trying | |||||
No | 524 | 19.7 | 0.857 | 13.9 | 0.396 |
Yes | 131 | 22.1 | 19.1 | ||
Unknown | 9 | 22.2 | 22.2 | ||
Occupational exposures (Women) | |||||
Solvents | |||||
No | 513 | 21.3 | 0.460 | 16.0 | 0.564 |
Yes | 91 | 18.7 | 13.2 | ||
Unknown | 60 | 13.3 | 10.0 | ||
Lead | |||||
No | 604 | 20.9 | 0.426 | 15.2 | 0.743 |
Yes | 8 | 25.0 | 25.0 | ||
Unknown | 52 | 11.5 | 11.5 | ||
Paint | |||||
No | 517 | 20.3 | 0.457 | 15.1 | 0.309 |
Yes | 129 | 21.7 | 17.1 | ||
Unknown | 18 | 5.5 | 0.0 | ||
Pesticide | |||||
No | 539 | 21.7 | 0.095 | 16.1 | 0.167 |
Yes | 88 | 17.1 | 13.6 | ||
Unknown | 37 | 5.4 | 2.7 | ||
Metal fumes | |||||
No | 625 | 20.3 | 0.853 | 15.2 | 0.932 |
Yes | 8 | 25.0 | 12.5 | ||
Unknown | 31 | 16.1 | 12.9 | ||
Anesthetic gases | |||||
No | 610 | 21.0 | 0.204 | 15.9 | 0.199 |
Yes | 39 | 15.4 | 7.7 | ||
Unknown | 15 | 0.0 | 0.0 | ||
Chemo drugs | |||||
No | 639 | 20.5 | 0.563 | 15.2 | 0.704 |
Yes | 9 | 22.2 | 22.2 | ||
Unknown | 16 | 6.3 | 6.3 | ||
Excess heat | |||||
No | 613 | 20.6 | 0.418 | 15.7 | 0.404 |
Yes | 40 | 20.0 | 10.0 | ||
Unknown | 11 | 0.0 | 0.0 | ||
Vibration | |||||
No | 627 | 20.9 | 0.304 | 15.6 | 0.321 |
Yes | 21 | 9.5 | 9.5 | ||
Unknown | 16 | 6.3 | 0.0 | ||
Radiation | |||||
No | 591 | 20.3 | 0.495 | 15.4 | 0.539 |
Yes | 50 | 24.0 | 16.0 | ||
Unknown | 23 | 8.7 | 4.3 | ||
Video display terminal | |||||
No | 171 | 21.6 | 0.623 | 15.8 | 0.768 |
Yes | 487 | 19.9 | 15.0 | ||
Unknown | 6 | 0.0 | 0.0 | ||
Electromagnetic field | |||||
No | 512 | 20.3 | 0.055 | 15.4 | 0.101 |
Yes | 39 | 33.3 | 23.1 | ||
Unknown | 113 | 15.0 | 10.6 |
ICI, intracervical insemination; IUI, intrauterine insemination.
COS-ICI, controlled ovarian stimulation and intracervical insemination.
COS-IUI, controlled ovarian stimulation and intrauterine insemination.
Live birth rate was calculated as the ratio of the total number of patients who delivered a live birth to the total patients in the groups, regardless of their pregnancy status.