Table 5

Univariate analysis of the variable that affect the urinary total N-acetyl-beta -D-glucosaminidase and its isoenzymes A and B (N = 100).

Variables
(n)
Urinary Total NAG (U/g of creatinnine)
Urinary NAG-A (U/g of creatinnine)
Urinary NAG-B (U/g of creatinnine)

Age (years)




≥45
(92)
3.67 ± 1.68
2.65 ± 1.48
1.02 ± 0.48
>45
(8)
3.95 ± 1.90
2.77 ± 1.50
1.18 ± 0.59
Work duration (years)




10–15
(62)
3.88 ± 1.73
2.66 ± 1.30
1.10 ± 0.57
>15
(39)
4.02 ± 2.13
2.92 ± 1.79
1.18 ± 0.56
BMI (Kg/m2)




18.5–24.9
(32)
3.83 ± 1.87
2.63 ± 1.50
1.20 ± 0.60
25.0–29.9
(54)
4.03 ± 2.03
2.85 ± 1.60
1.18 ± 0.62
>30
(14)
3.77 ± 1.32
2.70 ± 1.04
1.07 ± 0.40
Smoking




Yes
(13)
4.12 ± 2.27
3.02 ± 1.83
1.10 ± 0.54
No
(87)
3.90 ± 1.83
2.72 ± 1.50
1.18 ± 0.59
Alcohol Consumption




Usually
(7)
3.32 ± 0.78
2.37 ± 0.68
0.95 ± 0.40
Sometimes
(12)
3.02 ± 1.27
1.98 ± 0.92
1.04 ± 0.50
Never
(81)
4.12 ± 1.98
2.91 ± 157
1.21 ± 0.60
Urine cadmium




≤5
(67)
3.00 ± 1.07
2.05 ± 0.92
0.95 ± 0.40
>5
(33)
5.83 ± 1.74***
4.20 ± 1.40***
1.63 ± 0.63***

***P < 0.001

Kalahasthi et al. Journal of Occupational Medicine and Toxicology 2007 2:5   doi:10.1186/1745-6673-2-5

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