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Table 1—

Characteristics of the study population by parental history of diabetes (the MORGEN study 1993–1997)

Men
Women
Parental history
95% Cl of differenceParental history
95% Cl of difference
Yes (n = 250)No (n = 1,384)Yes (n = 256)No (n = 1,178)
Age (years) 43.4 39.6 2.3 to 5.2 41.4 37.9 2.0 to 4.9 
Current cigarette smokers (%) 46.9 48.8 −8.8 to 4.9 52.8 50.8 −4.8 to 8.8 
Alcohol intake       
 Abstainers (%) 30.8 23.6 1.3 to 13.1 58.6 50.7 1.2 to 14.7 
 ≥1 drink/day (%) 55.6 63.4 −14.3 to −1.2 22.0 28.2 −12.2 to 0.2 
Physical activity* ≥3.5 h/week (%) 40.6 43.3 −9.4 to 4.0 40.3 43.4 −9.8 to 3.5 
Low educational level (%) 51.8 46.5 −1.3 to 11.9 57.4 50.0 1.0 to 13.7 
Obesity       
 Waist circumference (cm) 94.2 91.9 0.9 to 3.6 82.5 80.2 0.8 to 3.7 
 Waist action level 1 to 2 (%) 26.4 21.7 −0.9 to 10.3 20.8 22.7 −7.6 to 3.7 
 Waist action level ≥2§ (%) 26.0 18.4 2.4 to 12.8 28.9 21.3 2.2 to 13.1 
 WHR 0.919 0.906 0.004 to 0.02 0.794 0.785 0.001 to 0.02 
 WHR, BMI-adjusted 0.908 0.906 −0.01 to 0.01 0.791 0.789 −0.01 to 0.01 
 BMI (kg/m226.4 25.4 0.5 to 1.5 25.8 24.6 0.5 to 1.7 
Hyperglycemia       
 Prevalence of hyperglycemia (%) 22.2 12.6 5.0 to 14.3 11.1 5.8 2.0 to 8.7 
 Plasma glucose (mmol/l) 5.7 5.3 0.2 to 0.5 5.2 5.0 0.1 to 0.3 
Men
Women
Parental history
95% Cl of differenceParental history
95% Cl of difference
Yes (n = 250)No (n = 1,384)Yes (n = 256)No (n = 1,178)
Age (years) 43.4 39.6 2.3 to 5.2 41.4 37.9 2.0 to 4.9 
Current cigarette smokers (%) 46.9 48.8 −8.8 to 4.9 52.8 50.8 −4.8 to 8.8 
Alcohol intake       
 Abstainers (%) 30.8 23.6 1.3 to 13.1 58.6 50.7 1.2 to 14.7 
 ≥1 drink/day (%) 55.6 63.4 −14.3 to −1.2 22.0 28.2 −12.2 to 0.2 
Physical activity* ≥3.5 h/week (%) 40.6 43.3 −9.4 to 4.0 40.3 43.4 −9.8 to 3.5 
Low educational level (%) 51.8 46.5 −1.3 to 11.9 57.4 50.0 1.0 to 13.7 
Obesity       
 Waist circumference (cm) 94.2 91.9 0.9 to 3.6 82.5 80.2 0.8 to 3.7 
 Waist action level 1 to 2 (%) 26.4 21.7 −0.9 to 10.3 20.8 22.7 −7.6 to 3.7 
 Waist action level ≥2§ (%) 26.0 18.4 2.4 to 12.8 28.9 21.3 2.2 to 13.1 
 WHR 0.919 0.906 0.004 to 0.02 0.794 0.785 0.001 to 0.02 
 WHR, BMI-adjusted 0.908 0.906 −0.01 to 0.01 0.791 0.789 −0.01 to 0.01 
 BMI (kg/m226.4 25.4 0.5 to 1.5 25.8 24.6 0.5 to 1.7 
Hyperglycemia       
 Prevalence of hyperglycemia (%) 22.2 12.6 5.0 to 14.3 11.1 5.8 2.0 to 8.7 
 Plasma glucose (mmol/l) 5.7 5.3 0.2 to 0.5 5.2 5.0 0.1 to 0.3 

Data are means unless otherwise indicated.

*

Adjusted for age (years) and town of examination (Amsterdam, Doetinchem, Maastricht) (except for age); differences are statistically significant (P < 0.05) if the 95% CI does not include 0. Nonoccupational physical activity of at least moderate intensity;

junior secondary school or less;

94.0–101.9 cm for men and 80.0–87.9 cm for women,

§

≥102.0 cm for men and ≥88.0 cm for women;

plasma glucose concentration ≥6.1 mmol/l.

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