Table 5.

Predictors of fractional excretion of uric acid in linear regression analysis

	Variable	Standardised β	P	Model summary
Eastern Polynesian	Body mass index ≥ 30 kg/m2	− 0.18	4.58 × 10− 4	R2 = 0.10, F = 6.20, P = 2.98 × 10−8
	Diuretic use	− 0.11	0.03
	Male sex	− 0.11	0.02
	Polygenic score*	0.14	0.01
Western Polynesian	Polygenic score*	0.12	0.049	R2 = 0.04, F = 2.31, P = 0.02
New Zealand European	Body mass index ≥ 30 kg/m2	− 0.21	3.54 × 10−10	R2 = 0.23, F = 28.56, P = 1.63 × 10−43
	Diuretic use	− 0.12	4.59 × 10− 4
	Male sex	− 0.27	3.03 × 10−16
	Polygenic score*	0.15	1.02 × 10−6

*A higher polygenic score indicates a greater genetic predisposition for a higher FEUA