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I have experience with data collection for my HT-controlled and stroke outcome research:
– Purpose: I collected data for research purposes, specifically focusing on hypertension control and stroke outcomes.
Primary or secondary data: I gathered both primary and secondary data. Primary data was collected from patients, while secondary data was obtained from the Health Data Center.
– Methods used: For primary data, I conducted a qualitative in-depth questionnaire with patients. For secondary data, I used SQL queries to extract relevant information from the Health Data Center’s database.
Challenges faced: One major challenge was the extensive data cleaning required for the text-format data obtained from the Health Data Center, which took approximately three months of effort. Additionally, categorizing the data based on defined criteria and automating the process through coding posed further challenges.