CLOC: A Longitudinal Study of Grief and Health in Older Widowed Adults

A prospective study of 1,532 older adults in Detroit tracked spousal bereavement with matched controls over four waves from 1987 to 1993. Its primary strength is a unique quantitative grief scale and six subscales developed to measure bereavement, alongside measures of depression, social support, and physical health. For a subset of 432 participants, the MacBat study added biomedical indicators including physiological, endocrinological, and cognitive measures.

Use Cases

• [Modeling predictors of complicated grief] based on the unique global grief scale and six subscales
• [Analyzing the longitudinal trajectory of depression] based on DSM-III-R criteria assessments across four time points
• [Investigating links between psychosocial factors and biomedical health] based on the MacBat subset's physiological and biochemical indicators
• [Studying the effectiveness of matched-control designs] for isolating the effects of bereavement from normal aging

Strengths

• Longitudinal design with four waves of data collection over approximately six years, including a baseline and three follow-ups post-bereavement
• Matched-control group design (same-age, same-sex, same-race) to isolate the effect of spousal loss from other factors
• Combines detailed survey data (n=1,532) with biomedical measurements (n=432) for a multi-faceted view of health

Limitations

• Specific column names and the total number of variables are not provided in the available metadata, limiting precise feature understanding
• Data collection occurred between 1987 and 1993, which may limit contemporary generalizability
• The dataset is described as being subset into four primary parts, which may require merging or careful selection for analysis

Provenance

Source

Randolph M. Nesse, University of Michigan

Collection Method

Face-to-face baseline and follow-up interviews, supplemented by state death records, obituaries, and the National Death Index for confirmation. Biomedical data collected for a subset.

Time Range

1987-1993

Geography

Detroit, Michigan standardized metropolitan statistical area (SMSA)