Table 3 Odds ratios (ORs) with 95% confidence intervals (95% CIs) for exercise in men aged 53-84 years, obtained by applying mixed models with random intercepts that include the interaction between age and cohort, age-squared, and cohort-squared

Fixed effects

Rate of change

Agec (Int)

Centred at 67 years

1.013

0.990-1.036

1.016

0.993-1.040

Agec*cohortc

1.0050

1.0030-1.0074

1.0051

1.003-1.008

Initial status

Cohortc

Centred at 1924

1.035

1.010-1.060

1.032

1.007-1.058

Cohortc-squared

1.0018

1.0001-1.0034

1.0019

1.0002-1.0036

Educational level

Low-middle

1

High

1.34

1.08-1.66

BMI (kg/m ² )

Centred at 24

0.91

0.88-0.94

Smoking

Never

1

Former

1.07

0.86-1.34

Daily

0.59

0.44-0.80

Self-reported health status

Good

2.68

2.14-3.36

Poor

1

Random effects (unstructured)

Var (constant)

1.13

0.71-1.80

0.89

0.52-1.53