Table 2 Sensitivity analyses for the primary outcome (HbA1c in mmol/mol) in different populations
| Â | Control period | Intervention period | Control period | Intervention period | Mean difference (95% confidence interval) | P-value |
|---|---|---|---|---|---|---|
Population | Number of observations | Mean (standard deviation) | Â | Â | ||
Ethnicity | Â | Â | Â | Â | Â | Â |
White | 29 398 | 23 521 | 57.18 (16.03) | 57.93 (16.42) | -0.02 (-0.33, 0.29) | 0.913 |
Ethnic minority groups | 5732 | 5850 | 59.13 (17.77) | 59.06 (16.98) | -0.64 (-1.08, -0.20) | 0.004 |
Complete-case | 36 396 | 31 601 | 57.40 (16.19) | 58.09 (16.50) | -0.14 (-0.45, 0.16) | 0.361 |
Only those who attended education | 22 570 | 16 792 | 56.97 (15.76) | 57.60 (16.14) | -0.11 (-0.51, 0.29) | 0.596 |
Excluding HbA1c < 47.5 mmol/mol at baseline | 29 724 | 24 962 | 62.26 (15.83) | 61.06 (16.65) | -0.04 (-0.41, 0.33) | 0.832 |
Up to end of February 2020 | 40 112 | 10 717 | 57.37 (16.21) | 57.62 (15.80) | 0.12 (-0.21, 0.46) | 0.477 |