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. Author manuscript; available in PMC: 2015 May 1.
Published in final edited form as: Contraception. 2014 Jan 7;89(5):419–425. doi: 10.1016/j.contraception.2013.12.016

Table 2.

Summary Associations for (1) users of no contraceptive method versus any contraceptive method and (2) users of a highly effective method (tier 1) versus any other contraceptive method (tiers 2, 3, or 4) by demographic, disease, and reproductive characteristics

Summary table (n=162) No contraceptive method n (%) N=38 Any contraceptive method (WHO Tier 1–4) n (%) N=124 P value Tier 1 contraceptive method n (%) N=27 Tier 2,3, or 4 contraceptive method n (%) N=97 P value
Demographic Characteristics
Age in years: Mean (±SD) 31.8 (6.6) 31.0 (6.5) 0.49 34.6 (6.0) 30.0 (6.0) 0.0008
Race 0.23 0.39
 Non-White 2 (5.3) 2 (1.6) 1 (3.7) 1 (1.0)
 White 36 (94.7) 122 (98.4) 26 (96.3) 96 (99.0)
Education 0.04 1
 High school or less 6 (15.8) 7 (5.6) 1 (3.7) 6 (6.2)
 College or greater 32 (84.2) 117 (94.4) 26 (96.3) 91 (93.8)
Relationship status 0.46 0.31
 Married/cohabitating 31 (81.6) 94 (75.8) 23 (85.2) 71 (73.2)
 Dating/single 7 (18.4) 30 (24.2) 4 (14.8) 26 (26.8)
Religion 0.41 0.74
 No affiliation 15 (39.5) 40 (32.3) 8 (29.6) 32 (33.0)
 Any affiliation 23 (60.5) 84 (67.7) 19 (70.4) 65 (67.0)
Employment 0.46 0.1
 Currently working 24 (63.2) 70 (56.5) 19 (70.4) 51 (52.6)
 Not working/student 14 (36.8) 54 (43.5) 8 (29.6) 46 (47.4)
Insurance Type 0.57 0.04
 Private plan 32 (91.4) 98 (86.7) 24 (100) 74 (83.2)
 Medicaid/Medicare 3 (8.6) 15 (13.3) 0 15 (16.8)
Disease Characteristics
Diagnosis 0.85 0.32
 Ulcerative colitis 33.6 (36) 32.4 (34) 8 (29.6) 39 (40.2)
 Crohn's disease 66.4 (71) 67.6 (71) 19 (70.4) 58 (59.8)
No. months since diagnosis: Mean (±SD) 104.7 (61.2) 115.4 (81.1 0.45 132.0 (83.5) 110.8 (80.2) 0.23
History IBD-related surgery 27 (71.1) 63 (50.8) 0.03 19 (70.4) 44 (45.4) 0.02
Current IBD Medications 24 (63.2) 96 (77.4) 0.08 21 (77.3) 75 (77.8) 0.96
Current Aminosalicylate Use 7 (18.4) 43 (34.7) 0.06 10 (37.0) 33 (34.0) 0.77
Current immunomodulator Use 9 (23.7) 28 (22.6) 0.89 5 (18.5) 23 (23.7) 0.57
Current topical steroid use 1 (2.6) 4 (3.2) 1 0 4 (4.1) 0.58
Current systemic steroid use 7 (18.4) 20 (16.1) 0.74 5 (18.5) 15 (15.5) 0.7
Current biologic use 14 (36.4) 46 (37.1) 0.98 14 (51.9) 32 (33.0) 0.07
Past Aminosalicylate Use 34 (89.5) 98 (79.0) 0.15 23 (85.2) 75 (77.3) 0.44
Past immunomodulator Use 24 (63.2) 76 (61.3) 0.84 21 (77.8) 55 (56.7) 0.05
Past topical steroid use 10 (26.3) 32 (25.8) 0.95 9 (33.3) 23 (23.7) 0.31
Past systemic steroid use 33 (86.8) 102 (82.3) 0.51 21 (77.8) 81 (83.5) 0.49
Past biologic use 24 (63.2) 56 (45.2) 0.05 14 (51.9) 42 (43.3) 0.43
Reproductive History/Goals 0.001
Number prior livebirths 0.36
 0 16 (42.1) 70 (56.5) 9 (33.3) 61 (62.9)
 1 3 (7.9) 9 (7.3) 1 (3.7) 8 (8.2)
 2 10 (26.3) 20 (16.1) 4 (14.8) 16 (16.5)
 ≥3 9 (23.7) 25 (20.1) 13 (48.2) 12 (12.4)
Feeling of urgency to become pregnant 12 (52.2) 35 (41.7) 0.37 2 (25) 33 (43.4) 0.46

SD = Standard Deviation; IBD = Inflammatory Bowel Disease

IBD medication classes with U.S. Food and Drug Administration (F.D.A.) pregnancy category (A-X):
  • Aminosalicylates include balsalazide (B), sulfasalazine (A), mesalamine (C), and olsalazine (C)
  • Immunomodulators include azathioprine (D), 6-mercaptopurine (D), and methotrexate (X)
  • Topical steroids include hydrocortisone (C) enemas, suppositories, and other formulations
  • Systemic steroids include budesonide (B), prednisone (C), methylprednisolone (C), and prednisolone (C)
  • Biologic therapies include infliximab (B), adalimumab (B), certolizumab (B), and natalizumab (C)