Table 6 β-coefficients (β) with 95% confidence intervals (CIs) for BMI (rate of change), women 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 | 0.134 | 0.128-0.141 | 0.132 | 0.125-0.139 |
Agec*cohortc | 0.0001 | −0.0006-0.0004 | 0.00007 | −0.0006-0.0004 | |
Agec-squared | −0.0012 | −0.0015- -0.0008 | −0.0013 | −0.0016- -0.0009 | |
Cohort-centered | Centered at 1954 | 0.050 | 0.044-0.057 | 0.053 | 0.046-0.059 |
Education | Low | 0 | |||
Middle | −0.27 | −0.17 to 0.11 | |||
High | −0.20 | −0.36 to −0.04 | |||
Urbanization 1 | 1 | 0 | |||
2 | 0.34 | 0.16 to 0.52 | |||
3 | 0.53 | 0.36 to 0.71 | |||
Physical activity | Almost none | 0 | |||
Once a week | −0.16 | −0.27 to −0.05 | |||
>Once a week | −0.36 | −0.53 to −0.19 | |||
Smoking | Non-smokers | 0 | |||
Former smokers | 0.27 | 0.10 to 0.44 | |||
Current smokers | −0.36 | −0.53 to −0.19 | |||
Chronic disease | No | 0 | |||
Yes | 0.21 | 0.10 to 0.31 | |||