Table 1.
Baseline characteristics of women with ESKD on dialysis separated by pregnancy during the follow-up period
| Characteristics | Women Who Conceived (n=2008) | Women Who Did Not Conceive (n=45,547) |
|---|---|---|
| Race/ethnicity | ||
| Asian | 3.7 | 4.2 |
| Black | 53.6 | 45.7 |
| Hispanic | 18.8 | 15.7 |
| Native American | 2.2 | 1.6 |
| White | 21.7 | 32.8 |
| Age at study entry (yr)a | 29 (6) | 34 (7) |
| 15–17 | 2.7 | 2.2 |
| 18–19 | 3.9 | 1.6 |
| 20–24 | 18.5 | 7.1 |
| 25–29 | 24.6 | 12.2 |
| 30–34 | 23.8 | 17.7 |
| 35–39 | 18.7 | 24.5 |
| 40–44 | 8.0 | 34.6 |
| Cause of ESKD | ||
| Diabetes mellitus | 18.7 | 29.2 |
| Hypertension/large vessel disease | 21.0 | 19.5 |
| Malignancy | 3.1 | 3.3 |
| Cystic/hereditary | 4.3 | 5.4 |
| GN | 25.4 | 18.2 |
| Secondary GN/vasculitis | 14.9 | 12.4 |
| Interstitial nephritis/pyelonephritis | 2.7 | 3.6 |
| Others | 9.9 | 8.4 |
| Predialysis nephrology care | ||
| None | 18.7 | 18.6 |
| ≤12 mo | 17.3 | 20.6 |
| >12 mo | 15.0 | 17.4 |
| Unknown | 49.1 | 43.5 |
| BMI (kg/m2)a | 30.0 (9.4) | 29.7 (9.3) |
| <18.5 | 4.1 | 4.8 |
| 18.5–25 | 26.2 | 27.1 |
| 25–30 | 18.7 | 19.6 |
| ≥30 | 38.7 | 37.1 |
| Missing | 12.4 | 11.4 |
| Incident modality | ||
| Hemodialysis | 88.5 | 83.3 |
| Peritoneal dialysis | 10.1 | 14.4 |
| Other/missing | 1.4 | 2.3 |
| Dialysis modality at study entry | ||
| Hemodialysis | 89.8 | 83.3 |
| Peritoneal dialysis | 10.2 | 16.7 |
| Time on dialysis at study entry (yr) | ||
| <1 | 59.4 | 57.2 |
| 1–3 | 19.0 | 22.4 |
| >3 | 21.6 | 20.4 |
| Neighborhood poverty at study entry | ||
| I (<13.8%) | 42.1 | 48.3 |
| II (13.8%–20%) | 21.1 | 20.8 |
| III (20%–40%) | 31.5 | 26.7 |
| IV (>40%) | 3.0 | 2.3 |
| Unknown | 2.3 | 1.9 |
| Neighborhood rurality at study entry | ||
| Metropolitan | 82.1 | 77.9 |
| Micropolitan | 8.9 | 10.4 |
| Rural | 7.6 | 9.9 |
| Unknown | 1.4 | 1.9 |
| Tobacco use | 5.0 | 6.4 |
| First prevalent year in study | ||
| 2005 | 43.2 | 36.8 |
| 2006 | 10.6 | 8.4 |
| 2007 | 11.8 | 7.9 |
| 2008 | 7.9 | 7.9 |
| 2009 | 8.2 | 8.0 |
| 2010 | 6.8 | 8.1 |
| 2011 | 5.9 | 7.8 |
| 2012 | 3.3 | 7.5 |
| 2013 | 2.3 | 7.6 |
| Years in study | 4.9 (2.6) | 2.7 (2.3) |
| Transplants before study entry | 4.4 | 4.2 |
| Censored due to transplantation | 0.7 | 4.4 |
Values reported as group percentages.
a
Reported in mean (SD).