Table 3 Likelihood-ratio test to estimate the best model of physical activity throughout life course and the risk of multimorbidity at age 55. National Child Development Study. United Kingdom (1958–2013). N = 8414
LL | AIC | p-value a | |
|---|---|---|---|
No effect | − 5337.0 | 10,675.9 | < 0.001 |
Critical period | |||
Childhood | − 2968.6 | 4933.1 | < 0.001 |
Adolescence | − 1781.1 | 3000.1 | > 0.99 |
Young-adult | − 2225.7 | 3733.6 | < 0.001 |
Middle-aged adults | − 2251.9 | 3782.2 | < 0.001 |
Middle-to-older adults | − 2253.8 | 3779.4 | < 0.001 |
Accumulation | |||
Categorical | − 1650.7 | 3317.2 | > 0.99 |
Continuous | −1650.7 | 3310.3 | > 0.99 |
Sensitive period | −1781.1 | 3000.1 | > 0.99 |
Saturated model | − 2024.1 | 3340.4 | b |