Table 1

Demographics Counts (%) are reported unless otherwise noted
Patients Controls and family groups
Crohn’s disease (n = 34) Ulcerative colitis (n = 21) Patients’ family (n = 55) Healthy control (n = 48) Controls’ family (n = 48)
Age, mean ± SD 39.9 ± 12.3 yr 44.2 ± 13.7 yr 46.5 ± 21.6 yr 39.6 ± 13.8 yr 30.5 ± 18.7 yr
Sex: female 21 (61.8%) 13 (61.9%) 42 (76.4%) 38 (79.2%) 30 (62.5%)
BMI, mean ± SD 24.2 ± 4.1 kg/m2 25.4 ± 3.2 kg/m2 24.6 ± 4.6 kg/m2 25.7 ± 7.9 kg/m2 24.9 ± 6.5 kg/m2
Ethnicity: Caucasian* 32 (94.1%) 20 (95.2%) 51 (92.7%) 38 (79.2%) 38 (79.2%)
Jewish 15 (44.1%) 13 (61.9%) 29 (52.7%) 20 (41.6%) 20 (41.6%)
Seasons: Sunny: May - Sept 15 (44.1%) 10 (47.6%) 28 (50.9%) 21 (43.8%) 22 (45.8%)
Less Sunny: Oct. - Apr 19 (55.9%) 11 (52.3%) 27 (49.1%) 27 (56.3%) 26 (54.2%)
Smoking^ 3 (8.8%) 3 (14.3) 5 (9.1%)^ 6 (12.5)% 2 (4.2)%
Regular tanning^ 0 1 (4.8%) 0 1 (2.1)% 1 (2.1)%
Vacation 1 month pretest^ 4 (11.8%) 0 3 (5.5)% 4 (8.3%) 1 (2.1)%
Activity score**, mean ± SD 2.6 ± 1.9 (20.6% mild active) 2 ± 1.3 (0% active)
Disease Duration, mean ± SD 85.6 ± 140.2 month 39.7 ± 53.5 month
Site of disease Colon 13 (38.2%) Pan Colitis: 16 (76.2%)
Ileo-colon 12 (35.3%) Left limit: 4 (19%)
Small bowel 9 (26.6%) Unclear: 1 (5%)
Medical: 5ASA 6 (17.7%) 17 (81%) 0 1 diagnosed with leukemia
Corticosteroids 4 (11.8%) 4 (19%)
Immunomodulators 5 (14.7%) N1 (4.8%)
Biologics 3 (8.8%) 3 (14.3%)
Surgical history: Colon 0 Colectomy: 1 (4.8%)
Colon and/or Small Bowel 11 (32.4%)
Ileostomy 3 (8.8%)

* Chi-square comparison of Caucasian in Patient vs. Controls yields p = 0.019.

^ Missing information on participants ranged from 25-50%.

** Score for Crohn’s based on Harvey Bradshaw Index [34] Inactive ≤ 4.

Score for Ulcerative Colitis based on Simple Clinical Colitis activity Index [35]. Inactive < 4.

Grunbaum et al.

Grunbaum et al. Nutrition Journal 2013 12:145   doi:10.1186/1475-2891-12-145

Open Data