Table 4.

Hazard ratios (95% confidence intervals) for body mass index, height, and risk for diffuse astrocytoma (WHO grades II and III), oligodendroglioma, and oligoastrocytoma as proxy for IDH-mutant glioma in women and men

Diffuse astrocytoma (WHO grade II and III), oligodendroglioma, oligoastrocytoma
Time at risk (years)	54,817,758
Glioma No	827
BMI per 5 kg/m2 increase	0.93 (0.83–1.04); P =.20
Height per 10 cm increase	1.09 (0.98–1.21); P =.10
BMI category (kg/m2)	<20	20–24.9	25–29.9	≥30
HR (95% CIs)	1.18 (0.96–1.45)	Ref	1.02 (0.86–1.21)	0.94 (0.67–1.33)

Cox regression model with age as the time axis, including sex, height,

BMI and birth year cohort; all P values derived from BMI or height as continuous variables.

Abbreviations: CIs, confidence intervals; HR, hazard ratio; Ref = reference group.