Table 1.

Mean age, anthropometric indices (weight, height, and BMI), systolic BP, diastolic BP, some liver function tests, peak expiratory flow rate, and serum elements levels in cement workers, residents near cement factory, and controls.

Parameter	Cement workers n = 50	Residents n = 60	Controls n = 100	F-value	p value
Age (years)	39.98 ± 5.56	38.32 ± 4.03	37.67 ± 5.32	0.453	0.636
Weight (kg)	61.04 ± 13.53	62.04 ± 12.55	61.90 ± 13.35	0.204	0.816
Height (meters)	1.67 ± 0.10	1.68 ± 0.09	1.72 ± 0.06	0.055	0.747
BMI (kg/m2)	23.35 ± 2.56	23.95 ± 2.32	23.10 ± 2.11	2.574	0.079
Sys. BP (mmHg)	128.80 ± 8.80	127.80 ± 8.83	128.80 ± 7.86	0.166	0.847
Diast. BP (mmHg)	84.20 ± 13.10	82.33 ± 10.14	82.50 ± 10.76	0.476	0.622
ALT (IU)	29.78 ± 2.58	11.25 ± 0.96	8.72 ± 0.41	76.53	0.000∗
AST (IU)	37.00 ± 2.61	17.41 ± 1.70	9.46 ± 0.64	84.29	0.000∗
TB (μmol/L)	18.26 ± 0.91	18.18 ± 0.81	13.82 ± 0.62	12.80	0.000∗
CB (μmol/L)	7.57 ± 0.58	7.33 ± 0.52	5.84 ± 0.27	5.66	0.004∗
PEFR (L/min)	324.96 ± 10.40	340.25 ± 10.38	400.17 ± 9.10	16.97	0.000∗
Fe (μg/dL)	102.08 ± 1.78	96.13 ± 1.43	150.99 ± 1.35	447.99	0.000∗
Zn (μg/dL)	80.94 ± 2.01	78.25 ± 1.86	106.52 ± 0.70	147.64	0.000∗
Pb (μg/dL)	15.93 ± 0.42	20.09 ± 0.64	10.33 ± 0.60	70.32	0.000∗
As (μg/dL)	0.011 ± 0.002	0.011 ± 0.005	0.003 ± 0.002	183.45	0.000∗
Cd (μg/dL)	0.042 ± 0.008	1.950 ± 0.212	0.022 ± 0.001	102.20	0.000∗
Cr (μg/dL)	0.033 ± 0.003	1.60 ± 0.125	0.012 ± 0.000	200.39	0.000∗
Se (μg/dL)	0.022 ± 0.004	1.75 ± 0.127	0.044 ± 0.015	217.479	0.000∗
Mn (μg/L)	2.970 ± 0.074	3.346 ± 0.062	2.579 ± 0.038	56.101	0.000∗
Cu (μg/dL)	216.64 ± 6.93	234.62 ± 7.16	173.06 ± 3.662	37.83	0.000∗

  ^∗Significant at p < 0.05; Sys. BP = systolic blood pressure; Diast. BP = diastolic blood pressure.