Implementation and evaluation of a primary diabetes prevention programme for young adult employees in Japan: A non-randomized controlled trial.

Overall, 129 interventions and 141 controls completed the trial. In items related to diabetes prevention, the intervention group increased their knowledge relative to controls (all p < .05). Awareness of susceptibility to diabetes also increased more in the interventions (p = .029). The interventions also improved more with items related to dietary behaviour (p < .05). This trial has been registered with UMIN-CTR clinical trial (UMIN000023749).