Table 4 Comparison of performance evaluation measures for primary and additional analyses
Sr. No | Analysis | OOB error | AUC (95% CI) | Sensitivity (95% CI) | Specificity (95% CI) |
|---|---|---|---|---|---|
Primary Analyses | |||||
1 | Full algorithm (x = 137) | 0.16 | 0.82 (0.78–0.86) | 0.77 (0.70–0.83) | 0.73 (0.66–0.79) |
2 | Reduced algorithm (x = 46) | 0.20 | 0.76 (0.71–0.81) | 0.70 (0.63–0.76) | 0.70 (0.63–0.76) |
Additional Analyses | |||||
A | One visit per individual | ||||
1 | Full algorithm (x = 137) | 0.17 | 0.74 (0.66–0.82) | 0.70 (0.58–0.80) | 0.64 (0.52–0.76) |
2 | Reduced algorithm (x = 46) | 0.23 | 0.60 (0.50–0.69) | 0.73 (0.61–0.82) | 0.37 (0.26–0.50) |
B | Different CES-D-10 cut-offs | ||||
I | Cut-off – 8 | ||||
1 | Full algorithm (x = 137) | 0.17 | 0.85 (0.81–0.89) | 0.91 (0.87–0.95) | 0.67 (0.59–0.74) |
2 | Reduced algorithm (x = 46) | 0.19 | 0.79 (0.74–0.83) | 0.83 (0.77–0.87) | 0.60 (0.52–0.67) |
II | Cut-off – 13 | ||||
1 | Full algorithm (x = 137) | 0.15 | 0.80 (0.76–0.85) | 0.62 (0.54–0.70) | 0.81 (0.76–0.86) |
2 | Reduced algorithm (x = 46) | 0.20 | 0.79 (0.74–0.83) | 0.45 (0.37–054) | 0.87 (0.82–0.91) |
III | Cut-off—15 | ||||
1 | Full algorithm (x = 137) | 0.14 | 0.87 (0.83–0.91) | 0.55 (0.45–0.65) | 0.95 (0.91–0.97) |
2 | Reduced algorithm (x = 46) | 0.17 | 0.73 (0.67–0.79) | 0.27 (0.19–0.36) | 0.94 (0.91–0.97) |
C | With food insecurity variable (x = 138) | 0.16 | 0.84 (0.80–0.87) | 0.77 (0.70–0.83) | 0.73 (0.67–80) |