Table 1 Baseline characteristics of participants, weighted.
From: The nonlinear association between body roundness index and infertility in married women
Variables | Control (n = 1101) | Infertility(n = 204) | P-value |
|---|---|---|---|
Age(years) | 34.71 ± 6.67 | 36.58 ± 6.07 | 0.0011 |
BMI (kg/m2) | 28.88 ± 7.67 | 31.81 ± 8.63 | 0.0021 |
PIR | 3.13 ± 1.61 | 3.22 ± 1.56 | 0.5483 |
Race (%) | 0.8540 | ||
Mexican American | 13.04 | 8.58 | |
Other hispanic | 7.71 | 4.17 | |
Non-hispanic white | 60.17 | 71.30 | |
Non-hispanic black | 6.18 | 7.15 | |
Other | 12.90 | 8.80 | |
Education level (%) | 0.8473 | ||
Less than high school | 25.30 | 24.63 | |
High school or high diploma | 74.70 | 75.37 | |
Moderate physical activity (%) | 0.6410 | ||
No | 47.19 | 49.80 | |
Yes | 52.81 | 50.20 | |
Hypertension (%) | 0.7601 | ||
No | 88.39 | 79.41 | |
Yes | 11.61 | 20.59 | |
Diabetes (%) | < 0.0001 | ||
No | 93.39 | 85.69 | |
Yes | 6.61 | 14.31 | |
Hyperlipidemia (%) | 0.0751 | ||
No | 85.48 | 79.81 | |
Yes | 14.52 | 20.19 | |
Alcohol consumption (%) | 0.8311 | ||
No | 36.83 | 36.10 | |
Yes | 63.17 | 63.90 | |
Smoking status (%) | 0.2992 | ||
No | 75.17 | 71.02 | |
Yes | 24.83 | 28.98 | |
Regular periods in past 12 month (%) | 0.2802 | ||
No | 11.90 | 15.07 | |
Yes | 88.10 | 84.93 | |
History of pelvic infection treatment (%) | 0.1099 | ||
No | 96.71 | 94.11 | |
Yes | 3.29 | 5.89 | |
Ever use female hormones (%) | 0.7271 | ||
No | 93.32 | 92.36 | |
Yes | 6.68 | 7.64 | |
BRI | 5.22 ± 2.35 | 6.11 ± 2.52 | 0.0016 |