Parental and Demographic Predictors of Engagement in an mHealth Intervention: Observational Study From the Let’s Grow Trial - Johanna Sandborg; Brittany Reese Markides; Savannah Simmons; Katherine L Downing; Jan M Nicholson; Liliana Orellana; Harriet Koorts; Valerie Carson; Jo Salmon; Kylie D Hesketh (JMIR mHealth and uHealth, 2025)