HbA@c < @ % at transition predicted final HbA@c < @ % ( crude RR @ -LSB- @ % CI @ , @ -RSB- ; RR @ -LSB- @ % CI @ , @ -RSB- adjusted for demographics , co-interventions , pre-intervention HbA@c , BMI and glucose-lowering medication , and post-transition change in both BMI and glucose-lowering medication ) .