Table 4 Longitudinal analyses of time series data sets (for simplicity only 3 time points are presented)
From: Health and Employment after Fifty (HEAF): a new prospective cohort study
Study question | Independent variable | Dependent variable | Covariate (s) |
|---|---|---|---|
Effect of work on health | |||
Employment status as a predictor of health decline or improvement | E1 | ΔH1–2 | C1 |
Job change (e.g., new unemployment, planned retirement) as a predictor of health change | ΔE1–2 | ΔH2–3 | H2, C2 |
Longer term effects of employment status | E1 | ΔH2–4, ΔH3–4 | H2, C2 |
ΔE1–2 | ΔH2–4, ΔH3–4 | ||
Effect of health on work | |||
Health as a predictor of job transition | H1 | ΔE1–2 | C1 |
Impact of health change on job status | ΔH1–2 | ΔE2–3 | E2, C2 |