Few studies have examined how mothering is organized in the first months of infancy, especially regarding risk-related interactions. Person-centred approaches, including latent profile analysis (LPA), add valuable insights about early parenting by identifying distinct profiles of interaction. First, this study aimed to identify profiles of disrupted maternal interaction during the Still-Face Paradigm among 181 mothers and their 3- to 8-month-old infants. Second, the study assessed how each maternal profile was related to infant affect and interactive behaviour. The LPA identified four profiles of maternal interaction: optimal, negative/intrusive, withdrawing and pervasively disrupted. The pervasively disrupted profile, in particular, has not been identified in past research. Each profile was associated with specific aspects of infant affect and behaviour. Recognition of disrupted behavioural profiles among at-risk mothers and infants in the early months could facilitate more precise tailoring of early interventions to the needs of mothers and infants with differing profiles of interactive risk.
Keywords: Still-Face Paradigm; infant affect; latent profile analysis; maternal disrupted behaviour; mother-infant interaction.
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