Table 3 Overview of outcome and mediator variables, indicators, instruments and time points of assessment
Variables | Indicators and instruments | Time point of assessmenta |
|---|---|---|
Demographic data parents | Sex, age, country of birth, years in Sweden, level of education, housing conditions, employment, weight, height, number of children | T0 |
Child’s diet | Child Eating Habits Questionnaire EQ [73] Revised version of Eating and Physical Activity Questionnaire (EPAQ) [53] Mobile phone based photo method based on Delisle et al. [54] | T0, T1, T2 |
Child’s physical activity and sedentary behaviour | Accelerometry Questionnaire: Active transport, activity in organisation, screen time on week days and weekends | T0, T1, T2 |
Child’s sleep | Revised version of Eating and Physical Activity Questionnaire (EPAQ) [53] |  T0, T1, T2 |
Child’s BMI | Height and weight measured with instruments (SECA) | T0, T1, T2 |
Child’s waist circumference | Measured with instruments (SECA) | T0, T1, T2 |
Parental self-efficacy | Revised instrument based on Wright et al. [63] | T0, (TM), T1, T2 |
Parental feeding practices | Comprehensive Feeding Practices Questionnaire [64] | T0, (TM), T1, T2 |
Parenting practices regarding children’s physical activity | Items derived from item bank by Masse et al. [65] | T0, (TM), T1, T2 |
Nurses’ self-reported MI competence | Revised version of self-rating questionnaire based on MITI 4 [49] | TM |
Parent-report of nurse’s MI competence | Revised version of self-rating questionnaire based on MITI 4 [49] | TM |