highly significantP <0·0001
Creatinine could not be used, given the highly significant association between urinary creatinine and BMI ( ρ =0·15; P <0·0001).
Creatinine could not be used, given the highly significant association between urinary creatinine and BMI ( ρ =0·15; P <0·0001).
3 ) with an OR of 1·54 (95 % CI 1·12, 2·12; P =0·008) between the top and bottom quintile and a significant trend ( P =0·003) across quintiles.
Stratification by sex showed a marginally non-significant trend ( P =0·054) in men and a significant ( P =0·02) trend in women.