Table 2 Thematic coding procedure [39]

1. Short description of each case

Includes: Statement of the interview, information about the person, central topics mentioned by the interviewee. These case descriptions form part of the results

2. Developing a thematic structure

Case analysis of every case to develop system of categories (open and selective coding). Selective coding is used to generate thematic domains and categories. The cross-checking of categories and thematic domains results in a thematic structure

3. Fine interpretation of thematic domains

Single passages of texts are analysed in greater detail using key questions (conditions, interactions, strategies, consequences). Similar codes in individual groups and specific topics are elaborated. Generalisation is based on the comparison of cases and groups and aims at the development of theories