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Table 1 Baseline characteristics of the sample as grouped by tHcy

From: Combined homocysteine and apoE rs429358 and rs7412 polymorphism in association with serum lipid levels and cognition in Chinese community-dwelling older adults

  Total HCY ≤ 15 HCY > 15 t/X2 p value
N 1458 556 902
Age (yrs) 69.5 ± 8.1 67.7 ± 7.7 70.5 ± 8.2 6.66 < 0.001*
Female,n (%) 806 (55.3) 374 (67.3) 432 (47.9) 52.22 < 0.001*
Education,n (%)     30.06 < 0.001*
 illiterate,n (%) 439 (30.1) 128 (23.0) 311 (34.5)   
 primary school,n (%) 485 (33.3) 181 (32.6) 304 (33.7)   
 High school,n (%) 534 (36.6) 247 (44.4) 287 (31.8)   
BMI(kg/m2) 24.2 ± 4.1 24.3 ± 3.7 24.2 ± 4.3 0.88 0.378
Smoking,n (%) 458 (31.5) 124 (22.3) 334 (37.1) 34.55 < 0.001*
Drinking,n (%) 437 (30.0) 133 (23.9) 304 (33.8) 16.01 < 0.001*
SBP, mmHg 139.5 ± 20.4 137.2 ± 20.1 140.9 ± 20.5 3.30 < 0.001*
DBP, mmHg 76.7 ± 11.0 76.8 ± 11.3 76.7 ± 10.9 0.21 0.837
PP, mmHg 62.8 ± 17.4 60.4 ± 16.6 64.2 ± 17.8 4.01 < 0.001*
Fasting blood sugar, mmol/L 5.8 ± 1.7 5.9 ± 1.9 5.7 ± 1.7 2.95 0.081
UA, mmol/L 351.5 ± 96.8 331.1 ± 84.1 364.0 ± 101.9 6.38 < 0.001*
GDS score 5.7 ± 5.7 5.9 ± 5.0 5.6 ± 4.9 2.51 0.114
ADL score 6.2 ± 1.1 6.1 ± 0.6 6.2 ± 1.4 18.03 < 0.001*
IADL score 6.7 ± 2.2 6.4 ± 1.7 6.8 ± 2.3 48.42 < 0.001*
Genotype
 ApoE, rs429358     0.42 0.520
  C/T, n (%) 184 (14.8) 74 (15.6) 110 (14.2)   
  T/T, n (%) 1063 (85.2) 401 (84.4) 662 (85.8)   
 ApoE, rs7412     0.24 0.624
  C/C, n (%) 1020 (82.7) 390 (83.3) 630 (82.2)   
  C/T, n (%) 214 (17.3) 78 (16.7) 136 (17.8)   
  1. Data are presented as mean (standard deviation), otherwise as indicated
  2. SBP Systolic Blood Pressure, DBP Diastolic Blood Pressure, PP Pulse Pressure, BMI Body Mass Index, UA Uric Acid, ADL Activities of Daily Living, ApoE Apolipoprotein E. p < 0.05 was considered as significance