Table 2.
Association of covariates and endometriosis risk
| Variable | OR_95CI | P_value | Variable | OR_95CI | P_value |
|---|---|---|---|---|---|
| zinc | 1.03 (1.01 ~ 1.05) | 0.008 | BMI(Kg/m2), n (%) | ||
| Age(year), n (%) | < 25 | 1 (reference) | |||
| < 40 | 1 (reference) | 25–30 | 0.97 (0.73 ~ 1.28) | 0.828 | |
| 40–50 | 0.55 (0.43 ~ 0.7) | < 0.001 | > 30 | 1.08 (0.83 ~ 1.41) | 0.57 |
| > 50 | 0.53 (0.39 ~ 0.73) | < 0.001 | Smoking status, n (%) | ||
| Race/Ethnicity, n (%) | Yes | 1 (reference) | |||
| Mexican American | 1 (reference) | No | 1.61 (1.28 ~ 2.01) | < 0.001 | |
| Other Race | 0.61 (0.33 ~ 1.13) | 0.119 | Vigorous activity, n (%) | ||
| Non-Hispanic White | 0.23 (0.15 ~ 0.34) | < 0.001 | Yes | 1 (reference) | |
| Non-Hispanic Black | 0.41 (0.26 ~ 0.66) | < 0.001 | No | 0.96 (0.76 ~ 1.22) | 0.758 |
| Education Level(year), n (%) | Unable to do activity | 0.58 (0.29 ~ 1.15) | 0.118 | ||
| < 9 | 1 (reference) | Moderate activity, n (%) | |||
| 9–12 | 0.19 (0.08 ~ 0.44) | < 0.001 | Yes | 1 (reference) | |
| > 12 | 0.18 (0.08 ~ 0.4) | < 0.001 | No | 1.16 (0.92 ~ 1.46) | 0.198 |
| Marital Status, n (%) | Unable to do activity | 0.51 (0.25 ~ 1.04) | 0.066 | ||
| Living with a partner | 1 (reference) | Dietary supplements taken, n (%) | |||
| Living alone | 1.25 (0.98 ~ 1.58) | 0.067 | Yes | 1 (reference) | |
| Family Income, n (%) | No | 1.57 (1.25 ~ 1.97) | < 0.001 | ||
| Low | 1 (reference) | ||||
| Medium | 0.77 (0.56 ~ 1.06) | 0.108 | |||
| High | 0.5 (0.37 ~ 0.68) | < 0.001 | |||