abstract: 'Parental involvement in interventions is key to their success. Drawing on data from an ongoing book-based parenting intervention aimed at increasing knowledge of child development among fathers and mothers of infants, we examined parents'' participation and quality of their engagement in the first 2 waves of the intervention, when children were 9 to 12 months old. We also examined the factors that predicted parents'' level of participation in the intervention. We report 2 sets of findings. First, parents participated an average of 2.6 times per week, and mothers participated more frequently than fathers. Almost all parents reported that they enjoyed reading the books regardless of their level of participation, though mothers reported slightly more enjoyment than fathers. Second, results of regression tree analyses showed that the most important predictor of mothers'' and fathers'' participation in the intervention was whether or not their partner was also participating. The other important set of predictors was the level of resources, hours worked, education, and household income for fathers and employment status and income for mothers. Our findings have important implications for improving fathers'' and mothers'' participation in interventions.' affiliation: 'McKee, K (Corresponding Author), Univ Maryland, Dept Human Dev \& Quantitat Methodol, 3942 Campus Dr,Benjamin Bldg 143,Suite 3304, College Pk, MD 20742 USA. McKee, Kelsey; Cabrera, Natasha; Alonso, Angelica; Turcios, Miguel, Univ Maryland, Dept Human Dev \& Quantitat Methodol, 3942 Campus Dr,Benjamin Bldg 143,Suite 3304, College Pk, MD 20742 USA. Reich, Stephanie, Univ Calif Irvine, Sch Educ, Irvine, CA USA.' author: McKee, Kelsey and Cabrera, Natasha and Alonso, Angelica and Turcios, Miguel and Reich, Stephanie author-email: kmgarcia@umd.edu author_list: - family: McKee given: Kelsey - family: Cabrera given: Natasha - family: Alonso given: Angelica - family: Turcios given: Miguel - family: Reich given: Stephanie da: '2023-09-28' doi: 10.1037/men0000320 eissn: 1939-151X files: [] issn: 1524-9220 journal: PSYCHOLOGY OF MEN \& MASCULINITIES keywords: fathers; intervention; parenting; participation; infants keywords-plus: 'RANDOMIZED-CONTROLLED-TRIAL; ENGAGING FATHERS; PREVENTIVE INTERVENTIONS; ENGAGEMENT; PROGRAM; FAMILIES; PARTICIPATION; CHILDREN; BARRIERS; HOME' language: English month: JUL number: '3' number-of-cited-references: '82' orcid-numbers: 'Turcios, Miguel/0000-0002-3658-4357 Reich, Stephanie/0000-0002-8799-5236 McKee, Kelsey/0000-0002-1768-6067' pages: 521-537 papis_id: 9bb8c332254c25dfaa1b2266cd1c27cb ref: Mckee2021determinantsfathers times-cited: '9' title: Determinants of Fathers' and Mothers' Involvement in a Parenting Intervention type: Article unique-id: WOS:000670607200009 usage-count-last-180-days: '3' usage-count-since-2013: '13' volume: '22' web-of-science-categories: Psychology, Social year: '2021'