Table 1

Table 1. Description of the sample: age, origin, level of studies, current relationship status, number of children and reproductive background.
Description	Results
Age years ( Mean (95% CI))	29.1 (28.0 – 30.2)
Origin (%) Africa Asia Europe Latin America Oceania USA/Canada	0.4% 2.2% 48.1% 45.2% 0.4% 3.8%
Countries (by number of answers):	Brazil, Portugal, Spain, Latvia, Romania, UK, USA, Ireland, Chile, Finland, India, Austria, Belgium, Argentina, Bolivia, El Salvador, Germany, Albania, Bosnia and Herzegovinia, Australia, Angola, Canada, Cape Verde, Colombia, Croatia, Cuba, Czech Republic, Denmark, Ecuador, Estonia, France, Iceland, Italy, Lithuania, Malasia, Mexico, Netherlands, Norway, Peru, Philipines, Poland, Russia, Slovakia, Slovenia, Switzerland, Thailand, Turkey, Uruguay, Venezuela.
Level of studies (%) Elementary school High school Graduation Master PhD	0.7% 16.9% 57.6% 23.3% 1.5%
Current Relationship (%) No Yes	26.8% 73.2%
Number of children (%) 0 1 2 3	86.5% 11.5% 1.3% 0.7%
Reproductive background (%) Previous spontaneous pregnancy Previous adoption Previous stepparent adoption Previous IUI/IVF Previous ROPA	5.1% 0% 1.5% 9.1% 1.5%

Table 1. Description of the sample: age, origin, level of studies, current relationship status, number of children and reproductive background.

Description

Results

Age years ( Mean (95% CI))

29.1 (28.0 – 30.2)

Origin (%)

Africa

Asia

Europe

Latin America

Oceania

USA/Canada

0.4%

2.2%

48.1%

45.2%

0.4%

3.8%

Countries (by number of answers):

Brazil, Portugal, Spain, Latvia, Romania, UK, USA, Ireland, Chile, Finland, India, Austria, Belgium, Argentina, Bolivia, El Salvador, Germany, Albania, Bosnia and Herzegovinia, Australia, Angola, Canada, Cape Verde, Colombia, Croatia, Cuba, Czech Republic, Denmark, Ecuador, Estonia, France, Iceland, Italy, Lithuania, Malasia, Mexico, Netherlands, Norway, Peru, Philipines, Poland, Russia, Slovakia, Slovenia, Switzerland, Thailand, Turkey, Uruguay, Venezuela.

Level of studies (%)

Elementary school

High school

Graduation

Master

PhD

0.7%

16.9%

57.6%

23.3%

1.5%

Current Relationship (%)

Yes

26.8%

73.2%

Number of children (%)

86.5%

11.5%

1.3%

0.7%

Reproductive background (%)

Previous spontaneous pregnancy

Previous adoption

Previous stepparent adoption

Previous IUI/IVF

Previous ROPA

5.1%

1.5%

9.1%

1.5%

– Confidence interval, IUI – Intrauterine insemination, IVF – in vitro fertilization, ROPA – Reception of oocytes from partner, UK – United Kingdom, USA – United States of America.