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Table 2 Factors that affect menopausal age

From: Relationship between arsenic skin lesions and the age of natural menopause

  Arsenic skin lesions p
Yes (N = 95) No (N = 92)  
Smoking    
Previous 1 0 1.00
Never 94 92  
Family history of premature menopause    
Yes 17 1 .001
No 43 31  
Don’t know 35 60
Number of Children; Mean ± SD 4.74 ± 1.79 4.91 ± 1.79 .52
Contraceptive Used    
Yes 47 62 .01
No 48 30  
Body Mass Index (BMI) 18.93 ± 3.03 19.94 ± 3.48 .03
Urinary As Level (μg/g creatinine) 328.01 ± 284.17 156 ± 193 .001