Table 4.

Comparison of epidemiologic risk factors in patients with Barrett's esophagus with GERD (n = 359) and population-based controls with GERD (n = 545).

Barrett with GERDPopulation-based control with GERD
Characteristicsn (%)n (%)P
Total359545
Gender
 Male260 (72.4)241 (44.2)<0.001
 Female99 (27.6)304 (55.8)
Age (years)
 Mean (SD)61.7 (12.7)63.3 (11.6)0.345
 Range22–9338–86
Smoking
 Regular smoker68 (19.0)65 (11.9)<0.001
 Irregular smoker18 (5.0)9 (1.7)
 Ex-smoker153 (42.6)228 (41.8)
 Nonsmoker115 (32.0)243 (44.6)
 Missing5 (1.4)
Alcohol consumption
 <40 g/day245 (68.2)493 (90.5)0.007
 >40 g/day47 (13.1)52 (9.5)
 Missing67 (18.7)
BMI (kg/m2)
 Mean BMI (SD)27.5 (5.4)28.6 (5.0)<0.001
 Range17.8–70.617.9–48.8
 Missing41
Physical activity
 Very active96 (26.7)125 (22.9)0.002
 Moderately active87 (24.2)184 (33.8)
 Little active43 (12.0)89 (16.3)
 Not active126 (35.1)147 (27.0)
 Missing7 (2.0)
Actual state of fitness
 Very good24 (6.7)31 (5.7)0.165
 Good211 (58.8)350 (64.2)
 Intermediate102 (28.4)150 (27.5)
 Poor18 (5.0)14 (2.6)
 Missing4 (1.1)
Relative state of health
 Better93 (25.9)237 (43.5)<0.001
 Equal83 (23.1)240 (44.0)
 Worse118 (32.9)60 (11.0)
 Unknown62 (17.3)8 (1.5)
 Missing3 (0.8)
GERD frequency
 Frequently177 (49.3)170 (31.2)<0.001
 Occasionally155 (43.2)375 (68.8)
 Missing27 (7.5)
  • Note: P values are from Wilcoxon and χ2 tests.