Table 1.

Characteristics of the survey respondents from three different hospitals in Mexico

Characteristic	Total population		Acceptors		Nonacceptors		Missing		Recommenders			Nonrecommenders		Missing
	n = 1097		n = 880		n =203		n = 14			n = 786		n = 245	n = 66
	Means	±SD	Means	±SD	Mean	±SD	Mean	±SD	Mean	±SD	p valueb	Mean	±SD	Mean	±SD	p valueb
Age (years)	39.6	10.3	39.5	10.4	39.7	9.3	42.5	13.9	0.81	40.1	10.6	37.1	9.0	40.8	11.0	<0.01
Professional	16.4	9.7	16.4	9.9	16.4	8.9	17.6	11.3	0.95	16.9	10.0	14.5	8.7	17.2	9.1	<0.001
Experience (years)
	n	%	n	%	n	%	n	%	n	%	n	%	n	%	n	%
Profession
Doctor	438	39.7	367	83.8	69	15.8	2	0.5		352	80.4	72	16.4	14	3.1
Nurses	625	56.0	490	78.4	124	19.8	11	1.8	0.07	424	67.8	165	26.4	36	5.8	<0.01
Missing	34	4.3	23	67.6	10	29.4	1	2.9		10	29.4	8	23.5	16	47.1
Degree
General physician	25	2.3	18	72.0	6	24.0	1	4.0		19	76.0	4	16.0	2	8.0
Specialized physician	278	25.3	233	83.8	44	15.8	1	0.4		230	82.7	38	13.7	10	3.6
Resident	136	12.3	116	85.3	19	14.0	1	0.7		103	76.3	30	22.2	2	1.5
Nurse	602	55.9	479	79.6	123	20.4	0			417	68.0	161	26.3	35	5.7
Nurse practitioner	23	1.1	11	47.8	1	4.3	11	47.8	0.20	7	58.3	4	33.3	1	8.3	<0.01
Missing	33	3.1	23	2,6	10	4.9	0			10	29.4	8	23.5	16	47.1
Hospital
HGMc	437	39.8	33	76.2	103	23.6	1	0.2		310	70.9	117	26.8	10	2.3
HCGd	258	23.4	214	82.9	41	15.9	3	1.2		191	74.3	57	22.2	9	3.5
HGMGGe	402	36.6	333	82.8	59	14.7	10	2.5	<0.01	285	70.9	70	17.4	47	11.7	0.04
Missing	0				0		0			0		0		0

^aχ² test.

^btwo-tailed t-test.

^cHospital General de Mexico.

^dHospital Civil de Guadalajara.

^eHospital Genrral Dr. Manuel Gea Gonález.