Table 1 Inclusion and exclusion criteria

Inclusion criteria

Aged 16 to 60

Diagnosed with T1DM within the previous 12 weeks

Able and safe to exercise (as determined by the lead physician)

Willing to self-monitor and record blood glucose levels

Willing to take insulin as part of a multiple dose injection regime

Feel able to increase their current levels of exercise

Have a meal-stimulated C peptide value greater than 200 pmol/l (these criteria are not required for recruitment into phase 1)

Exclusion criteria

Psychological or physical disease that prevents exercise

Concomitant therapy that affects heart rate (for example, beta blocker, calcium channel antagonist) as we would be unable to monitor their exercise adherence

Major surgery or other planned event that would prevent exercise for more than six weeks

Pregnancy or planning pregnancy

Uncontrolled blood pressure (greater than 180/100 mmHg), as it is unsafe to exercise with this blood pressure