Table 3 Difference in overall diabetes risk (observed – true) and percent that achieved calibration (H-L χ2 <20) in 500 replications under systematic reporting error (bias) in height and weight for males (N=9,177) and females (10,618)
Males (N=9,177) | Females (N=10,618) | |||||
|---|---|---|---|---|---|---|
Reporting bias | Difference in diabetes risk (observed - true) | Number of diabetes cases | Percent that achieved calibration* | Difference in diabetes risk (observed - true) | Number of diabetes cases | Percent that achieved calibration |
Underestimate of weight by | ||||||
0.5 kg | −0.23% | 24 | 95.4% | −0.22% | 23 | 93.0% |
1.0 kg | −0.46% | 49 | 87.2% | −0.44% | 47 | 80.2% |
1.5 kg | −0.69% | 73 | 73.0% | −0.67% | 71 | 58.6% |
2.0 kg | −0.94% | 100 | 49.0% | −0.90% | 95 | 32.2% |
2.5 kg | −1.18% | 125 | 23.2% | −1.13% | 120 | 11.8% |
3.0 kg | −1.43% | 152 | 7.4% | −1.37% | 145 | 2.0% |
Overestimate of height by | ||||||
0.5 cm | −0.22% | 23 | 95.4% | −0.19% | 20 | 93.4% |
1.0 cm | −0.45% | 48 | 87.4% | −0.38% | 40 | 85.6% |
1.5 cm | −0.69% | 73 | 75.0% | −0.57% | 61 | 69.4% |
2.0 cm | −0.92% | 98 | 52.4% | −0.77% | 82 | 48.2% |
2.5 cm | −1.16% | 123 | 25.8% | −0.98% | 104 | 25.8% |
3.0 cm | −1.41% | 150 | 9.4% | −1.19% | 126 | 9.2% |