a trend towards significancep = 0.092
The interaction between age and sex showed a trend towards significance, men having more grey matter decrease (−1.8 ml/year; 95% CI −3.9, 0.3; p = 0.092; F = 2.888) and women having more white matter decrease (−0.9 ml/year; 95% CI −1.9, 0.1; p = 0.079; F = 3.134) with age (other volumes p > 0.26).