Proportion of men reporting low self-rated health. The figure shows the proportion of men reporting low SRH for each of the six glucometabolic status groups defined in the text. β-coefficients and p-values for trends from the 1st to the 6th groups are also shown. Brackets denote differences between age groups within each glucometabolic status group. * p < 0.05; ** p < 0.01; *** p < 0.001.