Table 1. Characteristics of interviewees.

Participant number	Level of education	Total number of babies born	Number of births abroad	Number of babies born abroad	Sex of babies in order of birth	Country of birth in order of birth
W01	Masters	2	2	2	Boy, Girl	US, Zambia
W02	Masters	2	2	2	Girl, Boy	US, US
W03	Masters	4	2	2	Girl, Boy, Boy, Girl	NG, US, US, NG
W04	Masters	4	3	4	Boy, Boy, Boy & Boy	UK, US, UK & UK
W05	PhD	4	2	3	Girl, Girl, Boy & Boy	NG, US, US & US
W06	BSc	3	1	1	Girl, Girl, Boy	NG, NG, US
W07	Masters	2	2	2	Girl, Boy	US, US
W08	Masters	2	2	2	Boy, Boy	USA, UK
W09	Masters	2	2	2	Boy, Girl	US, US
W10	BSc	3	1	1	Boy, Boy, Girl	NG, NG, US
W11	Masters	5	2	2	Boy, Boy, Boy, Boy, Girl	UK, NG, NG, NG, US
W12	BSc	4	3	4	Girl, Boy, Boy & Boy	US, US, US & US
W13	BSc	3	2	2	Girl, Girl, Boy	NG, US, US
W14	BSc	3	1	1	Boy, Boy, Boy	UK, NG, NG
W15	BSc	1	1	1	Boy	US
W16	Masters	2	2	2	Boy, Boy	US, US
W17	BSc	2	1	1	Boy, Boy	NG, US
W18	Masters	2	2	2	Boy, Boy	Ireland, US
W19	Masters	2	2	2	Girl, Girl	US, US
W20	Masters	3	2	2	Girl, Boy, Boy	NG, US, US
W21	BSc	3	1	1	Boy, Girl, Girl	US, NG, NG
W22	Masters	2	2	2	Girl, Girl	US, US
W23	Masters	3	1	1	Boy, Boy, Boy	NG, NG, US
W24	Masters	2	2	2	Girl, Boy	Canada, Canada
W25	Masters	3	1	1	Boy, Boy*, Girl*	UK, UK*, UK*
W26	Masters	3	2	2	Girl, Boy, Girl	NG, US, US
W27	PhD	3	1	1	Girl, Boy, Girl	US

Footnote: The sexes in bold and the countries in bold represent the children born abroad as birth tourists. *Children born abroad but at a time when the mother was already a legal resident of the UK.