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. Author manuscript; available in PMC: 2013 Mar 1.
Published in final edited form as: Cancer Epidemiol Biomarkers Prev. 2012 Jan 12;21(3):456–461. doi: 10.1158/1055-9965.EPI-11-1014

Table 1.

Cumulative proportion of esophageal adenocarcinoma by demographic and health-related characteristics of all study participants

Characteristics Number of people (n=411)a Number of cases (n= 56) Cumulative Proportion
Age (years)
 30–54 127 (30.9) 11 (19.6) 8.7%
 55–69 176 (42.8) 23 (41.1) 13.1%
 ≥70 108 (26.3) 22 (39.3) 20.4%
Sex
 Men 334 (81.3) 49 (87.5) 14.7%
 Women 77 (18.7) 7 (12.5) 9.1%
Smoking Status
 Never 148 (36.0) 14 (25.0) 9.5%
 Ever 263 (64.0) 42 (75.0) 16.0%
Education
 No college education 135 (32.9) 25 (44.6) 18.5%
 Any college education 275 (67.1) 31 (55.4) 11.3%
Waist-to-hip ratioc
 First quartile 104 (25.4) 11 (19.6) 10.6%
 Second quartile 101 (24.7) 15 (26.8) 14.9%
 Third quartile 100 (24.5) 14 (25.0) 14.0%
 Fourth quartile 104 (25.4) 16 (28.6) 15.4%
NSAID use as of baseline
 Never 162 (39.5) 26 (46.4) 16.0%
 Former 79 (19.3) 12 (21.4) 15.2%
 Current 169 (41.2) 18 (32.1) 10.7%
High grade dysplasia at or before baseline
 No 328 (79.8) 15 (26.8) 4.6%
 Yes 83 (20.2) 41 (73.2) 49.4%
Statin use at baseline
 No 355 (86.4) 50 (89.3) 14.1%
 Yes 56 (13.6) 6 (10.7) 10.7%
Ever statin use over study
 No 265 (64.5) 42 (75.0) 15.8%
 Yes 146 (35.5) 14 (25.0) 9.6%
a

1 value missing for education, baseline NSAIDs; 2 values missing waist-to-hip ratio

c

Quartiles determined within-sex: Quartile 1 upper value= 0.9306 (men), 0.8086 (women); Quartile 2 upper value= 0.9616 (men), 0.8651 (women); Quartile 3 upper value=0.9970 (men), 0.9110 (women); Quartile 4 upper value=1.142 (men), 1.035(women)