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Table 1 Family history of cancer and gastroesophageal disorders by demographic and lifestyle characteristics among control subjects

From: Family history of cancer and gastroesophageal disorders and risk of esophageal and gastric adenocarcinomas: a case–control study

  Family history of any cancer Family history of gastroesophageal disorders
N (row percent) No Yes P a No Yes P a
Age    0.005    <0.001
 ≤49 161 (58.8%) 113 (41.2%)   169 (61.7%) 105 (38.3%)  
 50-59 174 (52.6%) 157 (47.4%)   217 (65.8%) 113 (34.2%)  
 60-69 215 (48.3%) 230 (51.7%)   337 (76.8%) 102 (23.2%)  
 ≥70 118 (47.8%) 129 (52.2%)   196 (79.7%) 50 (20.3%)  
Gender    0.70    0.003
 Male 499 (51.8%) 464 (48.2%)   703 (73.6%) 252 (26.4%)  
 Female 169 (50.6%) 165 (49.4%)   216 (64.7%) 118 (35.3%)  
Race    <0.001    0.19
 Non-Hispanic white 382 (46.8%) 434 (53.2%)   590 (72.6%) 223 (27.4%)  
 African American 44 (51.2%) 42 (48.8%)   64 (76.2%) 20 (23.8%)  
 Hispanics 174 (61.7%) 108 (38.3%)   187 (66.6%) 94 (33.4%)  
 Asian American 68 (60.2%) 45 (39.8%)   78 (70.3%) 33 (29.7%)  
Country of birth    <0.001    0.67
 U.S. 463 (47.4%) 513 (52.6%)   689 (71.0%) 282 (29.0%)  
 Other countries 205 (63.9%) 116 (36.1%)   230 (72.3%) 88 (27.7%)  
Education    0.28    0.016
 <High school 134 (58.8%) 94 (41.2%)   170 (75.6%) 55 (24.4%)  
 High school 116 (47.5%) 128 (52.5%)   181 (74.8%) 61 (25.2%)  
 Some college 184 (49.1%) 191 (50.9%)   263 (70.5%) 110 (29.5%)  
 College graduate or higher 234 (52.0%) 216 (48.0%)   305 (67.9%) 144 (32.1%)  
Cigarette smoking status    0.70    0.74
 Never smokers 269 (52.2%) 246 (47.8%)   362 (70.8%) 149 (29.2%)  
 Former smokers 291 (51.0%) 279 (49.0%)   412 (72.8%) 154 (27.2%)  
 Current smokers 108 (50.9%) 104 (49.1%)   145 (68.4%) 67 (31.6%)  
Body mass index (BMI)b    0.60    0.60
 Quartile1 207 (57.8%) 171 (45.2%)   266 (70.9%) 109 (29.1%)  
 Quartile 2 158 (48.0%) 171 (52.0%)   236 (72.2%) 91 (27.8%)  
 Quartile 3 150 (50.3%) 148 (49.7%)   219 (74.0%) 77 (26.0%)  
 Quartile 4 153 (52.4%) 139 (47.6%)   198 (68.0%) 93 (32.0%)  
Diabetes    0.42    0.91
 No 616 (51.8%) 572 (48.2%)   841 (71.2%) 340 (28.8%)  
 Yes 52 (47.7%) 57 (52.3%)   78 (72.2%) 30 (27.8%)  
Personal history of reflux symptoms    0.33    0.026
 No 582 (52.1%) 536 (47.9%)   804 (72.4%) 306 (27.6%)  
 Yes 86 (48.0%) 93 (52.0%)   115 (64.2%) 64 (35.8%)  
  1. aP values were estimated using Fisher’s exact test for binary variables, Mantel-Haenszel Chi-Square test for ordinal multi-level variables, and Chi-square test for nominal multi-level variables.
  2. bQuartile cut points for current BMI are ≤23, >23-25, >25- ≤ 28, >28 kg/m2 for males, and ≤22, >22-25, >25- ≤ 28.25, >28.25 kg/m2 for females.