Table 2.

Standardized regression coefficient for the association between BMI and UA in three steps analyses

	Individual-level analysis (GLMMs) (95 % CI)	Twin-pair difference values [MZ + DZ] (95 % CI)	Twin-pair difference values [MZ] (95 % CI)
BMI for men	0.194 (0.016–0.373)	0.382 (0.145–0.620)	0.333 (0.072–0.594)
BMI for women	0.186 (0.071–0.302)	0.272 (0.112–0.432)	0.314 (0.151–0.477)

Adjusted standardized regression coefficient with age, creatinine, and BHPI

BMI body mass index, GLMMs generalized linear mixed models, CI confidence interval, MZ monozygotic, DZ dizygotic, BHPI Breslow's Health Practice Index