Adding data to the wave 1 analyses of diabetes.

There is no interaction between diabetes and age (model 1).

Analysis of variance for model  1 
Analysis of Variance Table of type III  with  Satterthwaite 
approximation for degrees of freedom
                        Sum Sq      Mean Sq NumDF     DenDF    F.value      Pr(>F)
cenAge               956514324    956514324     1 7766.4370  0.0887462     0.76579
dxDiabetes        230567131996 115283565998     2 7111.1519 10.6961076 0.000022999
cenAge:dxDiabetes  28545423544  14272711772     2 4274.3210  1.3242344     0.26612

However, after eliminating the interaction, there is a significant main effect for diabetes but no significant effect for age (model 2).

Analysis of variance for model  2 
Analysis of Variance Table of type III  with  Satterthwaite 
approximation for degrees of freedom
                 Sum Sq      Mean Sq NumDF     DenDF   F.value      Pr(>F)
cenAge       9002215208   9002215208     1 56408.687 0.8295460     0.36241
dxDiabetes 204370053160 102185026580     2 12230.801 9.4162585 0.000081982