Table 1

Baseline characteristics of women from the Dongfeng-Tongji cohort study

CharacteristicCataract (n=972)No cataract (n=13 365)p Value
Age (year) (mean±SD)69.22±7.1759.75±7.57<0.001*
BMI (kg/m2)24.67±3.9924.51±3.50<0.001*
Marital status<0.001†
 Unmarried (%)5 (0.5)19 (0.1)
 Married (%)753 (77.6)11 562 (86.7)
 Widowed (%)207 (21.3)1401 (10.5)
 Divorced (%)5 (0.5)350 (2.6)
Education<0.001†
 Elementary or below (%)485 (50.6)3808 (28.7)
 Junior high school (%)264 (27.6)4971 (37.5)
 High school (%)142 (14.8)3560 (26.9)
 College or above (%)67 (7.0)915 (6.9)
Physical activity
 Yes (%)866 (89.1)11 773 (88.1)0.348†
Current smoker
 Yes (%)39 (4.0)282 (2.1)<0.001†
Current alcohol drinker
 Yes (%)55 (5.7)830 (6.2)0.486†
Diabetes mellitus
 Yes (%)269 (27.7)2273 (17.0)<0.001†
Hypertension
 Yes (%)651 (67.0)6823 (51.1)<0.001†
Menopause status
 Yes (%)943 (97.0)12 065 (90.3)<0.001†
History of contraceptive use
 Yes (%)185 (19.1)3155 (23.7)0.001†
History of hormone replacement therapy use
 Yes (%)28 (2.9)413 (3.1)0.701†
Triglyceride (mmol/L)1.63±1.131.50±1.070.001*
CHOL (mmol/L)5.45±1.065.34±0.980.001*
LDL-C (mmol/L)3.13±0.903.09±0.820.159*
Parity3.10±1.322.08±1.110.001*
  • Data are mean±SD or n (%) unless otherwise indicated.

  • *t test for numerical data.

  • †χ2 test for categorical data.

  • BMI, body mass index; CHOL, total cholesterol; LDL-C, low-density lipoprotein cholesterol.