Table 1.
Sociodemographic characteristics and BMI of women diagnosed with endometriosis compared to matched controls.
| Patient Characteristics 1 (31 December 2015) | Endometriosis (n = 6146) |
Controls (n = 24,572) |
|
|---|---|---|---|
| Age in 2015, y (matched) | Mean ± SD | 40.4 ± 8.0 | 40.4 ± 8.1 |
| 15–19 | 52 (0.8%) | 208 (0.8%) | |
| 20–24 | 167 (2.7%) | 668 (2.7%) | |
| 25–29 | 428 (7.0%) | 1712 (7.0%) | |
| 30–34 | 722 (11.7%) | 2888 (11.8%) | |
| 35–39 | 1187 (19.3%) | 4744 (19.3%) | |
| 40–44 | 1620 (26.4%) | 6472 (26.3%) | |
| 45–49 | 1173 (19.1%) | 4692 (19.1%) | |
| 50–55 | 797 (13.0%) | 3188 (13.0%) | |
| Residence area (matched) | Central region | 4143 (67.4%) | 16,572 (67.4%) |
| Northern | 1104 (18.0%) | 4416 (18.0%) | |
| Southern | 896 (14.6%) | 3584 (14.6%) | |
| SES | Low (1–4) | 833 (13.6%) | 4058 (16.5%) |
| Medium (5–6) | 2239 (36.4%) | 9189 (37.4%) | |
| High (7–10) | 3059 (49.8%) | 11,209 (45.6%) | |
| Missing | 15 (0.2%) | 116 (0.5%) | |
| Population diversity | Haredi (Jewish orthodox) | 157 (2.6%) | 1223 (5.0%) |
| Arab | 245 (4.0%) | 1268 (5.2%) | |
| BMI | Mean ± SD | 24.8 ± 5.2 | 25.5 ± 5.5 |
| BMI category | <18.5 | 305 (5.0%) | 853 (3.5%) |
| 18.5–25.0 | 2964 (48.2%) | 10,553 (42.9%) | |
| 25.0–30.0 | 1364 (22.2%) | 5425 (22.1%) | |
| ≥30.0 | 818 (13.3%) | 3796 (15.4%) | |
| Missing | 695 (11.3%) | 3945 (16.1%) | |
1 All p values for unmatched variables are <0.001. SES, socioeconomic status; BMI, body mass index.