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. 2024 Jan 4;24:16. doi: 10.1186/s12877-023-04642-2

Table 4.

Percentages of individuals with depression based on scores on the GDS-15 at each interval

No depression Mild depression Moderate depression Severe depression
Visit 1 72% 18% 7% 3%
Visit 2 69% 17% 8% 6%
Visit 3 70% 24% 2% 4%

Scores of 0–4 are considered normal, scores of 5–8 indicate mild depression; 9–11 indicate moderate depression; and 12–15 indicate severe depression