Table 1

Characteristics of the Taizhou Retiree Cohort
Male (n=3097) Female (n=5734)
Age (years, mean±SD) 66.48±6.91 60.36±7.61
BMI (mean±SD) 24.53±3.22 24.89±3.51
Waist (cm, mean±SD) 86.30±8.71 82.72±8.71
WHR (mean±SD) 0.91±0.06 0.85±0.05
SBP (mmHg, mean±SD) 141.4±19.7 138.9±20.3
DBP (mmHg, mean±SD) 88.3±12.1 83.3±11.5
Education (%)
Primary school or lower 1283 (41.4) 3478 (60.7)
Primary high school 1045 (33.8) 1535 (26.8)
Secondary high school 551 (17.8) 663 (11.6)
College and above 217 (7.0) 55 (0.9)
Occupation (%)
Blue collar 2463 (79.6) 5380 (93.9)
White collar 632 (20.4) 345 (6.1)
Smoking (%)
Ex-smokers 598 (19.3) 36 (0.6)
Current smokers 1475 (47.7) 293 (5.1)
Never 1019 (33.0) 5403 (94.3)
Alcohol drinking (%)
Yes 1208 (39.0) 97 (1.7)
No 1889 (61.0) 5637 (98.3)
Tea drinking (%)
Yes 1570 (50.7) 537 (9.4)
No 1526 (49.3) 5159 (90.6)
Frequency of gastroesophageal reflux symptoms
Never 2820 (91.1) 5081 (88.6)
Less than once per month 156 (5.0) 343 (6.0)
Once per month 71 (2.3) 210 (3.7)
Once per week 22 (0.7) 50 (0.9)
Several times per week 15 (0.5) 40 (0.7)
Daily 13 (0.4) 10 (0.2)

BMI: body mass index (weight[kg]/height2[m]); WHR: waist-to-hip ratio; SBP: systolic blood pressure; DBP: diastolic blood pressure.

Chen et al.

Chen et al. BMC Gastroenterology 2012 12:161   doi:10.1186/1471-230X-12-161

Open Data