Bidirectional associations between paternal postpartum depression symptoms and coparenting: A cross-lagged panel model of fathers of infants and toddlers

•Finding modifiable factors to help reduce paternal postpartum depression benefits the whole family•Cross-lagged panel models showed bidirectional associations between paternal depression symptoms and coparenting•Fathers reporting low coparenting levels are at significantly higher risk of reporting depression symptoms (and vice versa)•Clinicians should support the coparenting relationship to decrease paternal depression in fathers of infants and toddlers