Definitions of hypoglycemia type according to severity and time of event
| Hypoglycemia type | Definition |
| Non-severe | A composite of mild and moderate events. Any self-reported symptomatic event that could be rectified by self-action. Symptoms included sweatiness, hunger, anxiety, weakness, confusion, heart palpitations, difficulty speaking, and/or loss of concentration that could be treated by the individual. |
| Severe | Any self-reported event that absolutely required third-party assistance in the administration of treatment (eg, glucose or glucagon). |
| Daytime | Any event that occurred during normal waking hours. |
| Nocturnal | Any event that occurred while the respondent was sleeping or attempting to sleep. |