Sample and data collection:
Step 1: In Curaçao, the registry of addresses is far from up-to-date. Therefore, we decided to draw a probability sample based on geographic coordinates of buildings instead of addresses. The fieldwork for the recruitment survey (containing questions about demographic, socioeconomic, and psychosocial characteristics) ran from April, 2018 till fully completion in September, 2019. Despite the delay in the fieldwork, we can conclude that the coordinates worked well: the response rate in the recruitment survey was very high (70%). We have used these data to carry out an additional research project on the relation between socio-economic status and health (see below).
Step 2: Of the respondents in the recruitment survey 37% (644) were willing to participate in follow-up surveys (as member of the so-called SONORO panel). Unfortunately, the response to the first online questionnaire was very low. It turned out that building an online panel was a bridge too far. But members of the SONORO panel could still be contacted in different ways than via the internet, and as such operate as a valuable infrastructure for scientific and societal relevant (longitudinal) research.
Step 3: The main survey about financial- and health literacy and questions about COVID-19 was conducted by telephone (due to COVID-19). From the 395 selected people with a known telephone number, 225 (response 57%) completed the interview. The fieldwork was completed in the fall of 2020.
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