15th February 2024

Psychiatrists have recruited 200 patients who have presented to the hospital with intentional overdoses.

Psychiatrists have recruited 200 patients who have presented to the hospital with intentional overdoses. Of these patients, they have identified 160 patients who stayed for treatment and 40 who absconded. Researchers have separated patients in each group into their socioeconomic classes from 1-5. 

Which statistical test is most appropriate to identify significant differences in the rate of patients absconding between the socioeconomic classes?