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Table 5 Adjusted 1 mean BMI values (kg/m 2 ) and annual change in BMI (ΔBMI per year by age group and birth cohort; test of trend) in individuals 16–71 years, presented according to age, birth cohort and assessment period (longitudinal samples of the Swedish population from 1980/81, 1988/89, 1996/97 and 2004/05) by the adjusted model in Table  1Women

From: Longitudinal age-and cohort trends in body mass index in Sweden – a 24-year follow-up study

Variable Age group
Birth cohort 16-23 24-31 32-39 40-47 48-55 56-63 64-71 ΔBMI cohort
1910-17 - - - - - - 25.0 -
1918-25 - - - - - 24.8 25.3 0.063*
1926-33 - - - - 24.1 25.2 25.9 0.093*
1934-41 - - - 23.4 24.5 25.3 25.9 0.11*
1942-49 - - 22.5 23.7 24.7 25.2 - 0.11*
1950-57 - 21.3 22.7 23.8 24.7 - - 0.14*
1958-65 20.9 22.3 23.5 24.7 - - - 0.15*
1966-73 21.2 22.8 24.3 - - - - 0.18*
1974-81 21.6 23.0 - - - - - 0.17*
1982-89 21.8 - - - - - - -
ΔBMI age 0.040* 0.073* 0.077* 0.048* 0.025* 0.015 0.045*  
  1980/81 1988/89 1996/97 2004/05
  1. 1Adjusted for education, urbanization, smoking habits, physical activity and chronic diseases.
  2. *p<0.05.
  3. Figures are presented in format according to years: 1980/81 plain, 1988/89 italic, 1996/97 bold, 2004/05 bold and italic.