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Table 3 Mean annual Body Mass Index change, adjusted for age and follow-up time.

From: Mid-term Body Mass Index increase among obese and non-obese individuals in middle life and deprivation status: A cohort study

All individuals
   Women Men
   Mean LCI UCI p Mean LCI UCI p
All (Women: n = 11,158, Men: n = 9,831) Model 1         
  All 0.19 0.15 0.24 <0.001 0.19 0.16 0.23 <0.001
  Model 2         
  Affluent 0.19 0.09 0.29 <0.001 0.22 0.15 0.30 <0.001
  2 0.21 0.11 0.32 <0.001 0.16 0.09 0.23 <0.001
  3 0.21 0.13 0.30 <0.001 0.15 0.08 0.22 <0.001
  4 0.13 0.05 0.20 0.001 0.24 0.18 0.31 <0.001
  Deprived 0.24 0.14 0.34 <0.001 0.18 0.11 0.26 <0.001
  Model 3         
  Trend 0.00 -0.04 0.03 0.801 0.00 -0.03 0.03 0.891
Stratified analysis to non-obese individuals
BMI < 30 at first screening (Women: n = 9,891, Men: n = 8,729) Model 1         
  All 0.19 0.15 0.23 <0.001 0.16 0.13 0.19 <0.001
  Model 2         
  Affluent 0.19 0.10 0.27 <0.001 0.18 0.12 0.24 <0.001
  2 0.24 0.15 0.32 <0.001 0.12 0.05 0.18 <0.001
  3 0.20 0.12 0.28 <0.001 0.13 0.07 0.19 <0.001
  4 0.13 0.05 0.20 0.001 0.21 0.15 0.27 <0.001
  Deprived 0.22 0.13 0.31 <0.001 0.13 0.06 0.21 <0.001
  Model 3         
  Trend 0.00 -0.03 0.03 0.954 -0.01 -0.04 0.01 0.352
Stratified analysis to obese individuals
BMI 30+ at first screening (Women: n = 1,267, Men: n = 1,102) Model 1         
  All 0.16 -0.03 0.36 0.107 0.34 0.19 0.49 <0.001
  Model 2         
  Affluent 0.24 -0.59 1.07 0.570 0.39 -0.08 0.87 0.106
  2 0.04 -0.62 0.71 0.902 0.30 -0.06 0.66 0.105
  3 0.29 -0.18 0.75 0.229 0.25 -0.12 0.63 0.185
  4 0.09 -0.18 0.37 0.505 0.39 0.10 0.69 0.008
  Deprived 0.28 -0.07 0.63 0.120 0.38 0.11 0.65 0.005
  Model 3         
  Trend 0.18 -0.01 0.37 0.057 0.17 0.00 0.33 0.049
  1. Model 1. Adjusted for age and follow-up time, with all participants included. Reported co-efficient of Model 1 denotes mean annual BMI change (kg / m2 / year).
  2. Model 2. As for model 1, but stratified by deprivation group. Reported co-efficients denote the mean annual BMI change for each deprivation group.
  3. Model 3. As for model 1, but deprivation group entered as ordinal variable, with all individuals included. Reported co-efficient denotes the additional mean annual BMI change for each one level increase in deprivation group (e.g. from deprivation group i to i+1).
  4. LCI: Lower Confidence Interval; UCI: Upper Confidence Interval, BMI: Body Mass Index.
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BMC Public Health

ISSN: 1471-2458

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