| Field | Range | Description |
| Timestamp | Date: Month/Day/Year HH:MM | Randomly shifted time stamps for days in the study that provide the incremental time stamp the CGM readings occurred |
| Libre GL | Numeric: 40-400 mg/dL | The blood glucose reading provided by the Libre Pro sensor - with a minimum possible value of 40 and maximum possible value of 400 |
| Dexcom GL | Numeric: 40-400 mg/dL | The blood glucose reading provided by the Dexcom G6 Pro sensor - with a minimum possible value of 40 and maximum possible value of 400 |
| HR | Numeric: 30-176 | average heart rate over the last minute provided by the FitBit Sense Smartwatch in beats per minute |
| Calories (Activity) | Numeric: 0-16.178 | Fitbit estimate of calories burned in the past minute as captured by the FitBit Sense Smartwatch |
| Mets | Numeric: 10-176 | The Metabolic Equivalent of Task estimate for the past minute as provided by the FitBIt Sense multiplied by 10 |
| Meal Type | Factor: Breakfast, Lunch, Dinner | The indication of a meal start and which meal |
| Calories | Numeric: 30-1180 | Calories (estimated) in the consumed meal |
| Carbs | Numeric: 0-176 | Estimate of carbohydrate quantity (grams) in the consumed meal |
| Protein | Numeric: 3-176 | Estimate of protein quantity (grams) in the consumed meal |
| Fat | Numeric: 0-176 | Estimate of fat quantity (grams) in the consumed meal |
| Fiber | Numeric: 0-176 | Estimate of fiber quantity (grams) in the consumed meal |
| Amount Consumed | numeric: 0-100 | Estimate of % of meal consumed |
| Image Path | Path to the specific meal in folder structure | indicates where the photo associated with the start or end of this meal is located in the dataset |