The present study examined the longitudinal measurement invariance of the Korean version of the Center for Epidemiological Studies-Depression (CES-D) scale. For this purpose, two datasets from the Korean Welfare Panel… Click to show full abstract
The present study examined the longitudinal measurement invariance of the Korean version of the Center for Epidemiological Studies-Depression (CES-D) scale. For this purpose, two datasets from the Korean Welfare Panel Study were analyzed. Study 1 examined the data from the first four waves to determine the scale’s short-term longitudinal invariance. Study 2 extracted data every 3 years up to the 10th year, beginning with the first wave (waves 1, 4, 7, and 10) to examine the scale’s long-term longitudinal invariance. We analyzed 10,098 cases in Study 1 and 7,077 cases in Study 2. The results of Study 1 revealed that the scale had strict or residual measurement invariance, whereas the results of Study 2 indicated that the scale had strong or scalar measurement invariance. Overall, the Korean version of the CES-D-11 scale was shown to be a valid measure of depression that can be used to evaluate symptom changes over time.
               
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