TABLE 2.

Multivariate Cox regression analysis including factors that influence the recurrence risk in offspring of parents with late-onset type 1 diabetes

Univariate analyses	Multivariate analyses (full model)
Variable	HR	95% CI	P	Adjusted HR	95% CI	P
Sex of diabetic parent
Female	1.00	—
Male	0.81	0.54–1.21	0.30	0.78	0.52–1.18	0.23
Sex of offspring
Female	1.00	—		1.00	—
Male	0.88	0.59–1.31	0.52	0.87	0.58–1.30	0.49
Age at onset of diabetes in parents
Continuous	0.97	0.93–1.00	0.06	0.97	0.91–1.04	0.42
Year of birth of offspring
Continuous	1.04	1.00–1.08	0.06	1.02	0.95–1.10	0.57
Parental age at delivery	1.01	0.96–1.05	0.81	1.01	0.94–1.09	0.78

No significant interaction terms.