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Table 1 β-coefficients (β) with 95% confidence intervals (CIs) for BMI (rate of change), men aged 16–71 years using mixed models with random intercepts and random slopes

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

   Unadjusted Adjusted
Variable Category β 95% CI β 95% CI
Rate of change      
Age-centered Centered at 44 y 0.126 0.120-0.132 0.122 0.116-0.127
Agec*cohortc   0.00077 0.00034-0.0012 0.00076 0.00033-0.0012
Agec-squared   −0.0019 −0.0022- -0.0016 −0.0019 −0.0022- - 0.0016
Cohort-centered Centered at 1954 0.056 0.050-0.062 0.055 0.049-0.061
Education Low    0  
  Middle    0.19 0.07 to 0.32
  High    0.13 0.00 to 0.27
Urbanization 1 1    0  
  2    0.31 0.15 to 0.47
  3    0.33 0.17 to 0.50
Physical activity Almost none    0  
  Once a week    −0.10 −0.20 to 0.01
  >Once a week    −0.24 −0.33 to −0.15
Smoking Non-smokers    0  
  Former smokers    0.31 0.16 to 0.45
  Current smokers    −0.18 −0.34 to −0.03
Chronic disease No    0  
  Yes    0.09 −0.01 to 0.18
  1. 1Residence in: (1) the three largest cities in Sweden; (2) medium-sized towns (population >90,000); and (3) small towns (population 27,000–90,000) and rural areas.