STEP 2: Note your SDS Index score from the number next to your total score in the following table:
| Conversion of Scores to the SDS Index | |||||||||
| Score | SDS Index | Score | SDS Index | Score | SDS Index | Score | SDS Index | Score | SDS Index |
| 20 | 25 | 32 | 40 | 44 | 55 | 56 | 70 | 68 | 85 |
| 21 | 26 | 33 | 41 | 45 | 56 | 57 | 71 | 69 | 86 |
| 22 | 28 | 34 | 43 | 46 | 58 | 58 | 73 | 70 | 88 |
| 23 | 29 | 35 | 44 | 47 | 59 | 59 | 74 | 71 | 89 |
| 24 | 30 | 36 | 45 | 48 | 60 | 60 | 75 | 72 | 90 |
| 25 | 31 | 37 | 46 | 49 | 61 | 61 | 76 | 73 | 91 |
| 26 | 33 | 38 | 48 | 50 | 63 | 62 | 78 | 74 | 92 |
| 27 | 34 | 39 | 49 | 51 | 64 | 63 | 79 | 75 | 94 |
| 28 | 35 | 40 | 50 | 52 | 65 | 64 | 80 | 76 | 95 |
| 29 | 36 | 41 | 51 | 53 | 66 | 65 | 81 | 77 | 96 |
| 30 | 38 | 42 | 53 | 54 | 68 | 66 | 83 | 78 | 98 |
| 31 | 39 | 43 | 54 | 55 | 69 | 67 | 84 | 79 | 99 |
| 80 | 100 | ||||||||
STEP 3: What Your Scores Mean
| SDS Index | Equivalent Clinical Global Impression |
| Below 50 | Within normal range, no psychopathology. |
| 50 – 59 | Presence of minimal to mild depression. |
| 60 – 69 | Presence of moderate to marked depression. |
| 70 & over | Presence of severe to extreme depression. |


