Predictors of severe hypoglycemia
| Variables | IRR | P | 95% CI of IRR |
|---|---|---|---|
| Age-group (years) | |||
| <6 | 1.8 | 0.018 | 1.1–2.8 |
| 6–12 | 0.8 | 0.024 | 0.6–0.9 |
| 13–18 | 1.0 | — | — |
| Sex | |||
| Male | 1.4 | 0.007 | 1.1–1.9 |
| Female | 1.0 | — | — |
| Duration of diabetes (years) | |||
| <1 | 1.0 | — | — |
| 1–5 | 3.7 | <0.001 | 2.3–6.0 |
| 5–9 | 4.8 | <0.001 | 2.8–8.0 |
| >9 | 5.3 | <0.001 | 2.9–9.5 |
| HbA1c (%) | |||
| <7 | 4.3 | <0.001 | 2.6–7.1 |
| 7–8 | 3.1 | <0.001 | 1.9–4.8 |
| 8–9 | 2.7 | <0.001 | 1.8–4.3 |
| 9–10 | 1.8 | 0.014 | 1.1–2.8 |
| 10–11 | 1.1 | 0.747 | 0.7–1.8 |
| >11 | 1.0 | — | — |
| Number of injections | 1.4 | 0.025 | 1.0–1.8 |
| Insulin dose (units · kg−1 · day−1) | |||
| <0.64 | 1.0 | — | — |
| 0.64–0.79 | 1.8 | 0.014 | 1.1–2.8 |
| 0.80–0.93 | 1.8 | 0.020 | 1.1–2.9 |
| 0.94–1.07 | 1.5 | 0.113 | 0.9–2.6 |
| 1.08–1.28 | 1.9 | 0.019 | 1.1–3.1 |
| ≥1.29 | 2.2 | 0.002 | 1.3–3.5 |
| Social disadvantage | |||
| Highest | 1.0 | — | — |
| Middle | 0.6 | 0.004 | 0.4–0.9 |
| Lowest | 0.7 | 0.028 | 0.5–0.9 |