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Table 4 Characteristics of the prospective dataset (KORA S4 → F4).

From: Effects of smoking and smoking cessation on human serum metabolite profile: results from the KORA cohort study

  Current smoker Former smoker Never smoker
Men (N = 207)    
N (%) 31 (15.0%) 30 (14.5%) 146 (70.5%)
Age at S4 (years) 60.2 ±5.3 63.0 ±5.0 63.0 ±5.5
Alcohol consumption (S4/F4)(g/day) 27.7 ±28.2/20.4 ±28.7 29.6 ±31.6/19.3 ±21.1 22.2 ±22.8/20.2 ±19.5
BMI (S4/F4) (kg/m2) 26.8 ±2.9/26.9 ±3.3 28.5 ±3.8/28.9 ±3.9 27.6 ±3.3/27.8 ±3.4
Women (N = 314)    
N (%) 18 (5.7%) 10 (3.2%) 286 (91.1%)
Age at S4 61.0 ±5.1 59.5 ±3.1 63.6 ±5.1
Alcohol consumption (S4/F4)(g/day) 7.6 ±11.6/7.4 ±11.8 4.7 ±6.7/10.7 ±14.1 7.6 ±11.2/7.3 ±11.4
BMI (S4/F4) (kg/m2) 27.9 ±5.1/27.7 ±5.3 26.9 ±3.9/27.4 ±5.1 28.6 ±4.5/28.9 ±4.7
  1. Population characteristics were calculated based on 207 men and 314 women who participated in both the KORA S4 and F4 study. Values are provided as mean ± SD. BMI: body mass index.