Table 1.
Characteristics | Early Onset (≤55 Years), n = 89 | Later Onset (>55 years), n = 246 | P |
Sex, male, n (%) | 79 (88.8) | 216 (87.8) | .81 |
GERD,* yes, n (%) | 42 (47.2) | 131 (53.3) | .33 |
Frequency of GERD, n (%), times/wk | |||
≤2 | 19 (45.2) | 48 (36.6) | .07† |
≥3 | 9 (21.4) | 51 (38.9) | |
Unknown | 14 (33.4) | 32 (24.4) | |
Duration of GERD, n (%), years | |||
≤10 | 10 (23.8) | 46 (35.1) | .34† |
>10 | 19 (45.2) | 55 (42.0) | |
Unknown | 13 (31.0) | 30 (22.9) | |
Ever smokers, yes, n (%) | 66 (74.2) | 203 (82.6) | .09 |
BMI at age 18 (mean ± SD), kg/m2 | 24.6 ± 4.4 | 23.3 ± 3.5 | .01 |
BMI ≥ 25 kg/m2 at age 18, n (%) | 37 (42.6) | 67 (27.2%) | .01 |
Stage, n (%) | |||
I–II | 26 (29.2) | 110 (44.7) | .01 |
III–IV | 63 (70.8) | 136 (55.3) |
Seven (2%) missing and imputed.
Not comparing those with missing data.