marginally nonsignificantP = 0.06
In a LMM of RTL restricted to samples for which all leucocyte proportion measures were available ( N = 437), the age‐by‐sex interaction remained marginally nonsignificant (male vs. female slope: b = −0.016 ± 0.009 SE, χ ( 1 ) 2 = 3.46, P = 0.06).