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Table 1 Description of the participants to the test periods of 2002 and 2012

From: Assessment of sugar-sweetened beverage consumption and weight change: a prospective cohort study

  2002 2012 P for men P for women
men (n = 367) women (n = 195) men (n = 367) women (n = 195)
mean SD mean SD mean SD mean SD
Age 46.9 8.4 45.3 8.4 57.4 10.2 55.8 8.4   
BMI (kg/m2) 25.4 2.7 23.4 3.0 25.7 3.0 24.1 3.4 <0.001a <0.001a
Weight (kg) 79.3 10.1 63.9 8.7 80.4 10.8 65.7 9.7 <0.001a <0.001a
BMI difference (kg/m2)      0.3 1.6 0.6 1.7   
Weight difference (kg)      1.0 5.2 1.8 4.8   
Physical activity levelc 1.8 0.2 1.7 0.2 1.7 0.3 1.7 0.2 0.003a 0.297a
  n % n % n % n %   
BMI below 25.0 kg/m2 173 47.1 136 69.7 157 42.8 131 67.2 <0.001b <0.001b
BMI between 25.0 and 29.9 kg/m2 177 48.2 50 25.6 178 48.5 53 27.2   
BMI more than 30.0 kg/m2 17 4.6 9 4.6 32 8.7 11 5.6   
Weight decrease      118 32.2 49 25.1   
Weight stable      73 19.9 41 21.0   
Weight increase      176 48.0 105 53.8   
Current smoking 49 13.4 26 13.3 32 8.7 16 8.2 <0.001b <0.001b
  1. BMI body mass index, SD standard deviation; BMI, and weight difference = measure_2012 - measure_2002; Physical activity level was estimated using the Flemish Physical Activity Questionnaire
  2. a P-value according to paired t-test
  3. b P-value according to chi-square test
  4. cPhysical activity level was estimated using the Flemish Physical Activity Questionnaire [9]