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Fig. 2 | BMC Medical Research Methodology

Fig. 2

From: Time-varying associations between an exposure history and a subsequent health outcome: a landmark approach to identify critical windows

Fig. 2

Temporal representation of the non-concomitant measurement times of the exposure and the subsequent health outcome considered in our study framework. For both exposure and health outcome, measurements are collected at discrete and individual-specific occasions with error. The exposure history is constructed according to the time tU prior to the first outcome assessment at time 0 (−StU≤0). The longitudinal health outcome Y is modeled prospectively according to time t (t≥0)

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