Table 4

Multiple regression model of MAA concentration in urine with respect to haematological parameters in the baseline survey (n=51)

Dependent variable	Independent variable	Regression coefficient	SD	p value
*p<0.05.
Haemoglobin	Constant	14.95	1.95
	Sex	−2.22	0.52	<0.001*
	BMI	0.12	0.09	0.173
	Work-year	−0.02	0.11	0.866
	Log (MAA/Cr)	−1.07	0.36	0.005*

Packed cell volume	Constant	45.19	5.52
	Sex	−5.60	1.47	<0.001*
	BMI	0.37	0.24	0.130
	Work-year	−0.08	0.32	0.813
	Log (MAA/Cr)	−4.23	1.03	<0.001*

Red blood cells	Constant	5.40	0.70
	Sex	−0.43	0.19	0.025
	BMI	0.01	0.03	0.717
	Work-year	0.05	0.04	0.273
	Log (MAA/Cr)	−0.63	0.13	<0.001*

White blood cells	Constant	2.08	2.48
	Sex	0.27	0.66	0.682
	BMI	0.24	0.11	0.030
	Work-year	−0.28	0.14	0.051
	Log (MAA/Cr)	0.12	0.46	0.803

Platelets	Constant	146.43	76.83
	Sex	18.40	20.39	0.372
	BMI	4.36	3.35	0.199
	Work-year	−3.54	4.40	0.425
	Log (MAA/Cr)	22.34	14.32	0.126