Stability over time of the ANPS profiles

MO Massimiliano Orri
JP Jean-Baptiste Pingault
AR Alexandra Rouquette
CL Christophe Lalanne
BF Bruno Falissard
CH Catherine Herba
SC Sylvana M. Côté
SB Sylvie Berthoz
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These analyses were performed on Sample 1 only as their aim was to study the longitudinal stability of the profiles that emerged from LPA at T1. We used Latent Profile Transition Analysis (LPTA, a longitudinal extension of LPA) in which transitions between latent classes from T1 to T2 are allowed for each subject of the sample. The latent transition probability matrix (which expresses the probability of a change of latent class membership over time conditional on previous class membership) was analysed to determine the extent to which latent profile membership was stable over time.

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