Table 1.

Description of samples

	UP	BP	BP-I	BP-II
N	156	300	224	76
% Female	64.10	47.33	50.45	38.16
Age (mean ± SD)	40.34 ± 14.23	33.76 ± 11.69	33.78 ± 10.67	33.15 ± 14.04
Education in years	10.21 ± 2.78	11.61 ± 3.40	11.23 ± 3.45	12.48 ± 3.11
Married, %	71.15	65.33	62.50	72.37