Table 4.

Factors Associated with the Presence of Insulin-Induced Lipohypertrophy

Variables	Univariate			Multivariate
	OR	P-value	95% CI	OR	P-value	95% CI
T1DM	1.58	0.117	0.89–2.79
Female	0.67	0.057	0.45–1.01
Education less than high school	0.88	0.564	0.58–1.34
BMI <25 kg/m2	1.24	0.293	0.83–1.87
Duration of insulin ≥10 years	1.79	0.006	1.19–2.70	1.83	0.025	1.08–3.09
Number of daily insulin injection	0.98	0.936	0.64–1.52
Use of human insulin	1.82	0.006	1.19–2.80	1.78	0.037	1.04–3.05
Insulin dose ≥0.6 units/kg/day	1.03	0.872	0.69–1.55
Incorrect insulin rotation	24.93	<0.001	13.27–46.86	26.14	<0.001	13.68–49.95
Use of needle length ≥8 mm	1.17	0.510	0.733–1.87
Reuse insulin needles	2.769	0.070	0.92–8.35
3 times	2.972	0.067	0.93–9.52
4–5 times	2.491	0.126	0.77–8.02
>5 times	2.808	0.071	0.92–8.60