Table 2.
Multivariate whole sample analysis showing the odds of being highly variable
| Variable | Low mean HbA1c (n = 3057) | High mean HbA1c (n = 3697) | ||
|---|---|---|---|---|
| Odds ratio (95% CI) | P‐value | Odds ratio (95% CI) | P‐value | |
| Gender | ||||
| Female | 1.00 | 1.00 | ||
| Male | 1.35 (1.05–1.74) | 0.018 | 1.24 (1.03–1.49) | 0.023 |
| Age, years | ||||
| ≥ 75 | 1.00 | 1.00 | ||
| ≥ 65 to < 75 | 1.16 (0.86–1.58) | 0.328 | 0.88 (0.70–1.11) | 0.287 |
| 55 to < 65 | 1.22 (0.87–1.72) | 0.249 | 1.49 (1.16–1.92) | 0.002 |
| < 55 | 2.29 (1.51–3.49) | < 0.001 | 2.36 (1.72–3.24) | < 0.001 |
| Type 2 diabetes duration, years | ||||
| > 7 | 1.00 | 1.00 | ||
| 2.5–7 | 0.86 (0.63–1.16) | 0.322 | 0.95 (0.76–1.18) | 0.618 |
| < 2.5 | 0.98 (0.70–1.37) | 0.904 | 1.36 (1.04–1.79) | 0.026 |
| Treatment | ||||
| Diet | 1.00 | 1.00 | ||
| Mono or dual | 3.02 (2.30–3.96) | <0.001 | 1.44 (1.14–1.82) | 0.002 |
| Triple or insulin | 6.64 (3.72– 11.86) | <0.001 | 3.15 (2.21–4.47) | < 0.001 |
| HDL‐cholesterol, mmol/L | ||||
| > 1.3 | 1.00 | 1.00 | ||
| 1.0–1.3 | 1.47 (1.11–1.95) | 0.007 | 1.39 (1.13–1.71) | 0.002 |
| < 1.0 | 1.79 (1.29–2.48) | < 0.001 | 1.87 (1.46–2.39) | < 0.001 |
| BMI, kg/m2 | ||||
| < 25 | 1.00 | 1.00 | ||
| 25–35 | 1.15 (0.78–1.69) | 0.479 | 1.22 (0.90–1.65) | 0.205 |
| > 35 | 1.62 (1.05–2.52) | 0.030 | 1.72 (1.22–2.43) | 0.002 |
Adjusted for social deprivation and number of readings.