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Table 2 Characteristics of the DEGS1 study population

From: Sodium intake in Germany estimated from sodium excretion measured in spot urine samples

   Men (48 %) Women (52 %)
Age (years) 18–29 19.1 % 18.6 %
30–44 25.9 % 24.4 %
45–64 37.0 % 36.6 %
65–79 18.0 % 20.4 %
all 100 % (n = 3312) 100 % (n = 3598)
BMIa <18.5 0.7 % 2.4 %
18.5 – < 25 32.2 % 45.1 %
25 – < 30 43.9 % 29.0 %
>30 23.2 % 23.5 %
All 100 % (n = 3312) 100 % (n = 3598)
Socio-economic statusb,c Low 18.5 % 20.0 %
Middle 59.3 % 62.0 %
High 22.2 % 18.1 %
All 100 % (n = 3288) 100 % (n = 3574)
Smokingc Daily 26.1 % 21.7 %
Sometimes 6.5 % 5.7 %
Formerly 33.5 % 22.9 %
Never 34.0 % 49.7 %
All 100 % (n = 3293) 100 % (n = 3576)
Exercisec Never 32.9 % 33.3 %
<2 h per week 38.0 % 44.7 %
2–4 h per week 15.5 % 14.9 %
>4 h per week 13.5 % 7.1 %
All 100 % (n = 3213) 100 % (n = 3509)
Cookingc,d Almost daily 40.1 % 61.1 %
1–4 times per week 43.9 % 36.0 %
Never 16.0 % 2.9 %
All 100 % (n = 3227) 100 % (n = 3531)
  1. aBMI (body mass index) is calculated from body mass and body height
  2. bSocioeconomic status is assigned based on education, occupation, and income [30]
  3. cAssessed via questionnaire
  4. dFrequency of preparation of a hot meal using basic/fresh ingredients by themselves