TABLE 1

Characteristics of the study population by sex

WomenMenPAll
n2321790.01411
Difference between surveys (days)11.4 ± 66.116.8 ± 70.9NS13.8 ± 68.2
Age (years)50.7 ± 8.150.6 ± 8.0NS50.6 ± 8.0
    40 years (n)6852NS120
    50 years (n)8065NS145
    60 years (n)8462NS146
Episodic memory (score)7.37 ± 1.426.59 ± 1.29<0.0017.03 ± 1.42
Semantic memory (score)16.05 ± 2.7615.15 ± 2.920.00115.6 ± 2.86
fPG (mmol/l)5.2 ± 0.555.3 ± 0.550.035.2 ± 0.55
2hPG (mmol/l)6.8 ± 1.196.3 ± 1.44<0.0016.6 ± 1.33
Hypertension (%)33.641.9NS37.2
Total plasma cholesterol (mmol/l)5.7 ± 1.245.9 ± 1.17NS5.8 ± 1.21
BMI25 ± 4.126 ± 2.90.0525 ± 3.6
Educational level (years)12 ± 3.812 ± 3.8NS12 ± 3.8
Depression (CES-D scale)7.8 ± 7.26.8 ± 6.1NS7.3 ± 6.7
Smoking (%)45570.0151
Cardiovascular disease (%)2725NS26
  • Data are means ± SD unless otherwise indicated. P values are given for differences between sexes. There were missing values in the following variables: 2hPG 30 (n = 30; 19 women and 11 men), plasma cholesterol (4; 1 woman and 3 men), BMI (2; 2 women), smoking (5; 2 women and 3 men), and depression (64; 38 women and 26 men).