Table 2

Summary of demographic statistics for the CONOR database stratified according to their ulcerative colitis (UC) status
UC Non-UC p-value
Participants 370 (0.2%) 80152 (99.8%)
Age Mean (SD) 50.4 (14.0) 51.8 (12.9) 0.113
Gender Males (%) 57% 50% 0.013
Females (%) 43% 50%
Education Mean (SD) 12.0 (3.7) 12.4 (3.8) 0.094
Smoking Daily smoker (%) 23% 29% 0.007
Not smoker (%) 77% 71%

The p-values in the last column result from statistical tests of equality between the two groups.

Aamodt et al.

Aamodt et al. BMC Public Health 2013 13:530   doi:10.1186/1471-2458-13-530

Open Data