Table 1.

Questions and classification used to assess socioeconomic status and possible associated factors in women with TS and a European reference population.

Subject	Classification/question	Type	Answering options
Socioeconomic status
Level of education	‘What is the highest level of education you have successfully completed’? → Categorized according to the ES-ISCED§: standardized scale that measures education in seven levels.	ESS	Answering options: ES-ISCED I – V2 Classification: •Low: ES-ISCED I and II •Medium: ES-ISCED IIIb, IIIa and IV. •High: ES-ISCED V1 or V2
	‘About how many years of education have you completed, whether full-time or part-time?’	ESS	Number of years
Occupational status	‘Which of these descriptions best describes your situation in the last seven days?’	ESS	Answering options •In paid work& (or away temporarily; employee, self-employed, working for your family business) •In education (not paid for by employer), even if on vacation •Unemployed and actively looking for a job •Unemployed, wanting a job but not actively looking for a job •Permanently sick or disabled •Retired •In community or military service •Doing housework, looking after children or other persons •Other
	‘How many hours do you/did you usually work a week?’	ESS	Number of hours
Satisfaction with income	‘Which of the descriptions comes closest to how you feel about your household’s income nowadays?’	ESS	Answering options •Living very comfortably on present income& •Coping on present income •Finding it difficult on present income •Finding it very difficult on present income
Possible associated factors
Subjective general health	‘How is your health in general?’	ESS	Answering options •Very good •Good •Fair& •Bad •Very bad
Marital status	‘How are you living’?	SC	Answering options •Single or separated, living alone •Married or in a legally registered civil union, living with partner& •Living with partner without being married or in a civil union& •Having a partner, but not living with him/her in the same househould •Living with parents
	‘How many children live regularly in your household?’∗	ESS	Number of children
Social integration and discrimination	‘Compared to other people of your age, how often would you say to take part in social activities?’	ESS	Answering options •Much more than most •More than most •About the same& •Less than most •Much less than most
	‘How many people, if any, are there with whom you can discuss intimate and personal matters?’	ESS	Number of people
	‘Have you been discriminated against because of your condition?’	SC	Answering options •Yes •No
	‘Over the past 12 months, have you had contact with any support groups for your condition?’	SC	Answering options •Yes •No

ESS = European Social Survey question. SC = self-constructed question. ^§ES-ISCED Classification: I = less than lower secondary; II = lower secondary; IIIb = lower tier upper secondary, IIIa = upper tier upper secondary, IV = advanced vocational, sub-degree; V1 = lower tertiary education, BA level; V2 = higher tertiary education, ≥ MA level. ∗including biological children, children by egg/sperm donation, stepchildren and adopted children. ^&=this category was used as a reference category to compare the other variables with.