TABLE 1.
Patient Demographics at Baseline (n = 3307)
| a | b | c | |
|---|---|---|---|
| Age at baseline, y | 30 | 43 | 56 |
| Age at IBD diagnosis, y | 19 | 25 | 36 |
| Years since diagnosis | 4 | 11 | 23 |
| Sex, % | |||
| Male | 28 | ||
| Female | 72 | ||
| Race, % | |||
| White | 95 | ||
| Other | 5 | ||
| Height, in | 63 | 66 | 69 |
| Weight, lb | 130 | 150 | 180 |
| Current smoker, % | |||
| No | 93 | ||
| Yes | 7 | ||
| Education level, % | |||
| Less than high school | 1 | ||
| High school graduate | 7 | ||
| Some college | 20 | ||
| Graduated college | 43 | ||
| Graduate school | 31 | ||
| Any immunosupression drug, % | |||
| No | 34 | ||
| Yes | 66 |
a, b, and c represent the lower quartile a, the median b, and the upper quartile c for continuous variables.