17-item questionnaire assessing diabetes-related emotional distress. Total scores (mean score on all 17 items) range from 1 to 6, with higher scores indicating a worse outcome. Sub-scale scores (emotional burden, physician-related distress, regimen-related distress, and interpersonal distress) each range from 1 to 6, with higher scores indicating a worse outcome. A total or sub-scale score 2.0 - 2.9 should be considered 'moderate distress,' and a total or sub-scale score > 3.0 should be considered 'high distress.'

Short Form 12-item Health Survey Ver. 2 (SF-12v2) is a 12-item questionnaire assessing functional health & well-being over the last 4 weeks in 8 health domains (physical functioning, role participation with physical health problems, bodily pain, general health, vitality, social functioning, role participation with emotional health problems, mental health), all from the patient's point of view. These 8 domains can be summarized into a physical component summary (PCS) and a mental component summary (MCS). Higher scores indicate a better health state. MCS and PCS scores range from 0-100. Scores are calibrated using general population-derived normative data so that 50 is the avg score or norm. Results can be further summarized into a single preference-based health utility number ranging from 1 (equivalent to perfect health) to 0 (equivalent to being dead), using a complex scoring algorithm (SF-6D) derived from surveying a general U.S. population's preferences for specific health states.

27-item questionnaire assessing self-care activities associated with glycemic control. Higher values indicate more effective self-management. Transformed scores = Actual sum of items / maximum possible sum of items x 10. Total transformed scores range from 0 to 10. Transformed scores on six sub-scales (Dietary control, Glucose management, Glucose monitoring, Medication adherence, Physical activity, and Physician contact) also range from 0 to 10.

3-item questionnaire (Wilson,Lee, Fowler, & Rogers, 2016) assessing adherence to diabetes medication regimen. Item responses for the three adherence items are linearly transformed to a 0-100 scale with zero being the worst adherence, and 100 the best. A total summary score is calculated as the mean of the three individual items, with a range of 0 to 100.

8-item questionnaire assessing self-efficacy for performing diabetes self-management, using 5-point likert scales. The scale is scored by averaging the scores of all completed items. Scores range from 8 to 40, with higher scores indicating higher self-efficacy.

19-item questionnaire, adapted for type 1 diabetes, assessing the degree to which a person's motivation for a particular behavior or a set of behaviors is relatively autonomous or self-determined. Each item can receive a value ranging from 1 - 7 as selected by the participant. The scale has 2 sub-scales: the autonomous regulatory style and the controlled regulatory style. Calculating the scores for the sub-scales consists of averaging the items on that sub-scale. A Relative Autonomous Motivation Index can be formed by subtracting the average for the controlled reasons from the average for the autonomous reasons. Scores range from 1 to 7, with 7 indicating a strong identification with the given autonomy style. The autonomous regulatory style represents the most self-determined form of motivation.

The percentage of time when blood glucose was between 70 and 180 mg/dl, as measured by a continuous glucose monitor worn for 14 days.

The percentage of time when blood glucose was above 180 mg/dl, as measured by a continuous glucose monitor worn for 14 days.

The percentage of time when blood glucose was below 70 mg/dl, as measured by a continuous glucose monitor worn for 14 days.

9 diabetes-related expense questions designed by the study (polar questions, multiple choice, and open-ended). Questions assess loss of income or other productivity due to diabetes (3 items), and impact of cost and health insurance on access to and use of insulin and test strips (6 items).

8-item healthcare utilization questionnaire designed by the study. Polar; Yes/No questions about health service usage in the last month: (e.g., "have you had to be admitted to the hospital?"). Open-ended questions about number of time health services were used, (e.g., "how many times were you admitted to the hospital for reasons related to diabetes?").

Participants will continue to have access to routine diabetes care from the provider of their choosing; they will not receive any study-related intervention.

Total of all reporting groups

Household Composition (non-exclusive). Participants can be counted more than once in the appropriate category.

Employment Status (non-exclusive). Participants can be counted more than once in the appropriate category.

Social Deprivation Index (SDI) is a composite measure of area level deprivation based on seven demographic characteristics collected in the American Community Survey and used to quantify the socio-economic variation in health outcomes. Total range: 0-100 (Higher values indicate greater social deprivation, representing a worse outcome.)

Social Vulnerability Index (SVI) is a place-based index, database, and mapping application designed to identify and quantify communities experiencing social vulnerability, which refers to the demographic and socioeconomic factors that adversely affect communities that encounter hazards and other community-level stressors. Total range: 0-100 (Higher values indicate greater social vulnerability, representing a worse outcome.)

Social Needs is a study-designed questionnaire adapted from the Health Leads Social Needs Screening Tool for assessing various social needs. These needs span categories such as housing, food, transportation, utilities, child care, employment, education, and finances. Total range: 0-10 (higher scores indicate greater social needs).

citation: Health Leads. (2023). The Health Leads Screening Toolkit. Available at: https://healthleadsusa.org/communications-center/resources/the-health-leads-screening-toolkit/

Participants will continue to have access to routine diabetes care from the provider of their choosing; they will not receive any study-related intervention.

15-item questionnaire assessing diabetes-related quality of life (qol). Each item contains two parts. Part A is: "If I did not have diabetes, [the question topic] would be", followed by 5 options ranging from "very much better" (or similar; scored as -3) to "worse" (or similar; scored as 1). The fourth option is always "the same" and scored as 0. Part B is: "[the question topic] is" followed by 4 options ranging from "very important" (scored as 3) to "not at all important" (scored as 0). For each question, scores on parts A and B are multiplied, and the 15 products are summed for a total score. Questions 2, 4, 6, 8, 9, & 11 have preliminary yes/no questions, and when a "no" response is given, parts A and B are skipped and the score for that question is 0. The minimum score on each question is -9 and the maximum is 3, with total scores ranging from -135 to 45. Higher/more positive scores represent a better outcome; Lower/ more negative scores represent a worse outcome.

17-item questionnaire assessing diabetes-related emotional distress. Total scores (mean score on all 17 items) range from 1 to 6, with higher scores indicating a worse outcome. Sub-scale scores (emotional burden, physician-related distress, regimen-related distress, and interpersonal distress) each range from 1 to 6, with higher scores indicating a worse outcome. A total or sub-scale score 2.0 - 2.9 should be considered 'moderate distress,' and a total or sub-scale score > 3.0 should be considered 'high distress.'

Short Form 12-item Health Survey Ver. 2 (SF-12v2) is a 12-item questionnaire assessing functional health & well-being over the last 4 weeks in 8 health domains (physical functioning, role participation with physical health problems, bodily pain, general health, vitality, social functioning, role participation with emotional health problems, mental health), all from the patient's point of view. These 8 domains can be summarized into a physical component summary (PCS) and a mental component summary (MCS). Higher scores indicate a better health state. MCS and PCS scores range from 0-100. Scores are calibrated using general population-derived normative data so that 50 is the avg score or norm. Results can be further summarized into a single preference-based health utility number ranging from 1 (equivalent to perfect health) to 0 (equivalent to being dead), using a complex scoring algorithm (SF-6D) derived from surveying a general U.S. population's preferences for specific health states.

27-item questionnaire assessing self-care activities associated with glycemic control. Higher values indicate more effective self-management. Transformed scores = Actual sum of items / maximum possible sum of items x 10. Total transformed scores range from 0 to 10. Transformed scores on six sub-scales (Dietary control, Glucose management, Glucose monitoring, Medication adherence, Physical activity, and Physician contact) also range from 0 to 10.

3-item questionnaire (Wilson,Lee, Fowler, & Rogers, 2016) assessing adherence to diabetes medication regimen. Item responses for the three adherence items are linearly transformed to a 0-100 scale with zero being the worst adherence, and 100 the best. A total summary score is calculated as the mean of the three individual items, with a range of 0 to 100.

8-item questionnaire assessing self-efficacy for performing diabetes self-management, using 5-point likert scales. The scale is scored by averaging the scores of all completed items. Scores range from 8 to 40, with higher scores indicating higher self-efficacy.

19-item questionnaire, adapted for type 1 diabetes, assessing the degree to which a person's motivation for a particular behavior or a set of behaviors is relatively autonomous or self-determined. Each item can receive a value ranging from 1 - 7 as selected by the participant. The scale has 2 sub-scales: the autonomous regulatory style and the controlled regulatory style. Calculating the scores for the sub-scales consists of averaging the items on that sub-scale. A Relative Autonomous Motivation Index can be formed by subtracting the average for the controlled reasons from the average for the autonomous reasons. Scores range from 1 to 7, with 7 indicating a strong identification with the given autonomy style. The autonomous regulatory style represents the most self-determined form of motivation.

The percentage of time when blood glucose was between 70 and 180 mg/dl, as measured by a continuous glucose monitor worn for 14 days.

The percentage of time when blood glucose was above 180 mg/dl, as measured by a continuous glucose monitor worn for 14 days.

The percentage of time when blood glucose was below 70 mg/dl, as measured by a continuous glucose monitor worn for 14 days.

9 diabetes-related expense questions designed by the study (polar questions, multiple choice, and open-ended). Questions assess loss of income or other productivity due to diabetes (3 items), and impact of cost and health insurance on access to and use of insulin and test strips (6 items).

8-item healthcare utilization questionnaire designed by the study. Polar; Yes/No questions about health service usage in the last month: (e.g., "have you had to be admitted to the hospital?"). Open-ended questions about number of time health services were used, (e.g., "how many times were you admitted to the hospital for reasons related to diabetes?").

Participants will continue to have access to routine diabetes care from the provider of their choosing; they will not receive any study-related intervention.

orthostatic hypotension (n=1), or diabetic foot ulcer (n=1), or urinary tract infection + blood clot (n=1), or unknown reason (n=2),

"stomach infection" unrelated to diabetes (n=1), or COVID-19 (n=1), or unknown infection (n=1)

ankle fracture

mental health issues (further details not known) (n=2)

gynecological surgery

stroke

appendectomy

seizures (n=1), or MRI for unknown reason (n=1)

heart surgery (unrelated to diabetes)

"stress-related diabetes issue"

unknown diabetes-related issue (n=1), or loss of consciousness (diabetes-related) (n=1)

vomiting due to medication (unrelated to diabetes) (n=1), or "stomach issues" (unrelated to diabetes) (n=1), or appendix or gallbladder issue (unrelated to diabetes) (n=1), or food poisoning/dehydration (n=1), or "gastro" (n=1)

swollen foot, retinopathy, chest pain, cocaine overdose/heart problems, diabetic neuropathy, Crohn's disease, car or motorcycle accident, abdominal pain, hand foot and mouth disease, fainting after COVID-19 vaccine, or unknown reason

diabetes-related gastroparesis (n=1), or blood clot + urinary tract infection + pancreatitis + gallstones (n=1), or respiratory issues requiring nebulizer (n=1)

anaphylactic reaction (n=1), or allergic reaction (n=1)

eye infection (n=1), or kidney infection (unrelated to diabetes) (n=1), or kidney infection (related to diabetes (n=1), or mastitis (n=1), or COVID-19 (n=3), or respiratory syncytial virus (n=1)

abscess (n=2), or COVID-19 (n=1)

unknown infection (unrelated to diabetes) (n=1), or food poisoning (n=2)

food poisoning

broken patella (n=1), or broken arm (n=1), or broken wrist from horseback riding accident (n=1)

broken arm

concussion (unrelated to diabetes) (n=1)

issues with picc line (unrelated to diabetes)

"sensor copper wire lost in stomach" (not from any study-related CGM)

acid reflux, related to diabetes

stomach flu (n=1), or flu/cold symptoms (n=1)

food poisoning/dehydration

hypoglycemia (though no loss of consciousness or seizure)

cyst/mass (n=1), or walking pneumonia (n=1)

finger injury for shopping cart (n=1), or ankle injury from skateboarding (n=1), or elbow injury/inflammation (n=1)

Skin reaction/irritation from study CGM or adhesive tape used to apply study CGM

stress

Participant reported that they disliked/disagreed with several questions on study questionnaires, especially questions about food because they have an eating disorder.