Table 1

Participant sociodemographic, disease, and reproductive characteristics by diagnosis

Participant characteristicsTotal cohort
(N=129)
Ulcerative colitis
(n=52)
Crohn’s disease
(n=77)
p
Sociodemographic characteristics
 Mean age (SD)* (years)34.3 (6.2)34.4 (6.2)34.2 (6.3)0.9
 Race (%)†0.7
  Caucasian110 (85.3)46 (88.5)64 (83.1)
  African American17 (13.2)6 (11.5)11 (14.3)
  Declined2 (1.6)0 (0)2 (2.6)
 Hispanic ethnicity‡8 (6.2)4 (7.7)4 (5.2)0.6
 Education†0.9
  High school4 (3.1)1 (1.9)3 (3.9)
  Some college/bachelor71 (55.0)26 (50.0)45 (58.4)
  Graduate/professional54 (41.9)25 (48.1)29 (37.7)
 Married/committed relationship‡71 (55.1)33 (63.5)38 (49.4)0.1
Disease characteristics
 Median number of months since diagnosis (range)§116 (9–338)144 (9–298)112 (18–338)0.7
 Prior IBD-related surgery‡38 (29.5)7 (13.5)31 (40.3)<0.01
 Median number of IBD-related hospital admissions (range)§1 (0–100)1 (0–25)1 (0–100)0.01
 Current medications‡
  Aminosalicylates60 (46.5)36 (69.2)24 (31.2)<0.01
  Immunomodulators40 (31.0)11 (21.2)29 (37.7)0.05
  Systemic steroids9 (7.0)4 (7.7)5 (6.5)0.8
  Biological therapies45 (34.9)7 (13.5)38 (49.4)<0.01
Reproductive history
 Mean age menarche (SD)* (years)12.9 (1.7)12.9 (1.8)12.9 (1.6)0.89
 Nulliparae‡65 (50.4)26 (50.0)39 (50.6)0.94
 Median parity (range)§0 (0–4)0 (0–4)0 (0–4)0.94
 Contraceptive method¶0.19
  No method41 (31.8)18 (34.6)23 (29.9)
  Condoms13 (10.1)6 (11.5)7 (9.1)
  Combination pills, patch or ring41 (31.8)11 (21.2)30 (39.0)
 LNG-IUS, Cu-IUD, or implant34 (26.4)17 (32.7)17 (22.1)
 Desiring future pregnancy‡73 (56.6)27 (51.9)46 (59.7)0.38
 IBD-related pregnancy concerns‡68 (52.7)20 (38.5)48 (62.3)0.01
  • Entries in the table represent the number of participants (percentage) unless otherwise specified.

  • IBD medication classes: Aminosalicylates include balsalazide, sulfasalazine, mesalamine and olsalazine. Immunomodulators include azathioprine, 6-mercaptopurine and methotrexate. Topical or systemic steroids include hydrocortisone enemas, suppositories and other formulations, budesonide, prednisone, methylprednisolone and prednisolone. Biological therapies include infliximab, adalimumab, certolizumab and natalizumab.

  • *t-test.

  • †Fisher's exact test.

  • ‡Two-sample test of proportions.

  • §Wilcoxon rank sum test.

  • ¶Chi-square (χ2) test.

  • Cu-IUD, copper intrauterine device; IBD, inflammatory bowel diseases; LNG-IUS, levonorgestrel intrauterine system; SD, standard deviation.