Formation of the DEPS-R: omitted items and revised measure
| . | Correlation with total . |
|---|---|
| Items omitted because of lack of face validity | |
| Controlling my diabetes is very important to me* | 0.38 |
| I forget to take my insulin | 0.36 |
| Before exercising, I eat carbohydrates to avoid going low* | 0.24 |
| When my blood sugar is low, I eat something immediately* | 0.28 |
| When my blood sugar is high, I take extra insulin* | 0.02 |
| I take less insulin than what my doctor tells me | 0.13 |
| I exercise to control my blood sugars* | 0.02 |
| Items omitted because of redundancy | |
| I eat in private when no one else is around | 0.47 |
| I check my blood sugar less frequently than my doctor tells me | 0.28 |
| I feel comfortable eating in front of others* | 0.31 |
| I adjust my insulin dose based on the results of my blood sugar checks* | 0.18 |
| I like to have ketones in my urine because that means that I am burning fat | −0.15 |
| Items retained in DEPS-R† | |
| Losing weight is an important goal to me | |
| I skip meals and/or snacks | |
| Other people have told me that my eating is out of control | |
| When I overeat, I don't take enough insulin to cover the food | |
| I eat more when I am alone than when I am with others | |
| I feel that it's difficult to lose weight and control my diabetes at the same time | |
| I avoid checking my blood sugar when I feel like it is out of range | |
| I make myself vomit | |
| I try to keep my blood sugar high so that I will lose weight | |
| I try to eat to the point of spilling ketones in my urine | |
| I feel fat when I take all of my insulin | |
| Other people tell me to take better care of my diabetes | |
| After I overeat, I skip my next insulin dose | |
| I feel that my eating is out of control | |
| I alternate between eating very little and eating huge amounts | |
| I would rather be thin than to have good control of my diabetes | |
| . | Correlation with total . |
|---|---|
| Items omitted because of lack of face validity | |
| Controlling my diabetes is very important to me* | 0.38 |
| I forget to take my insulin | 0.36 |
| Before exercising, I eat carbohydrates to avoid going low* | 0.24 |
| When my blood sugar is low, I eat something immediately* | 0.28 |
| When my blood sugar is high, I take extra insulin* | 0.02 |
| I take less insulin than what my doctor tells me | 0.13 |
| I exercise to control my blood sugars* | 0.02 |
| Items omitted because of redundancy | |
| I eat in private when no one else is around | 0.47 |
| I check my blood sugar less frequently than my doctor tells me | 0.28 |
| I feel comfortable eating in front of others* | 0.31 |
| I adjust my insulin dose based on the results of my blood sugar checks* | 0.18 |
| I like to have ketones in my urine because that means that I am burning fat | −0.15 |
| Items retained in DEPS-R† | |
| Losing weight is an important goal to me | |
| I skip meals and/or snacks | |
| Other people have told me that my eating is out of control | |
| When I overeat, I don't take enough insulin to cover the food | |
| I eat more when I am alone than when I am with others | |
| I feel that it's difficult to lose weight and control my diabetes at the same time | |
| I avoid checking my blood sugar when I feel like it is out of range | |
| I make myself vomit | |
| I try to keep my blood sugar high so that I will lose weight | |
| I try to eat to the point of spilling ketones in my urine | |
| I feel fat when I take all of my insulin | |
| Other people tell me to take better care of my diabetes | |
| After I overeat, I skip my next insulin dose | |
| I feel that my eating is out of control | |
| I alternate between eating very little and eating huge amounts | |
| I would rather be thin than to have good control of my diabetes | |
*Reverse-scored items.
†Items are answered on a 6-point Likert scale: 0 = never, 1 = rarely, 2 = sometimes, 3 = often, 4 = usually, 5 = always.