Measure | Weekly mean (SD) | Psychometric properties | Phase | Days | Corresponding OSNAP-OPAT items |
---|---|---|---|---|---|
Minutes of moderate and vigorous physical activity per day via Actigraph accelerometer from all valid daysa | 15.30 (8.37) | High reliability (ICC = 0.80) over 4 days for children’s overall physical activity [23] | 1 & 2 | 5 | How many minutes do you think the typical child at your program was physically active today? |
Evidence for validity of children’s physical activity counts compared to doubly labeled water and VO2 max [17],[24],[25] | What is the least amount of physical activity time that was offered to any group of children today? | ||||
Minutes of vigorous physical activity per day via Actigraph accelerometer from all valid daysa | 1.97 (1.27) | High reliability (ICC = 0.80) over 4 days for children’s overall physical activity [23] | 1 & 2 | 5 | How many minutes do you think the typical child at your program was engaged in vigorous physical activity (i.e. activity more than a walk) today? |
Evidence for validity of children’s physical activity counts compared to doubly labeled water and VO2 max [17],[24],[25] | What is the least amount of vigorous physical activity time that was offered to any group of children today? | ||||
Percent of children engaged in moderate or vigorous physical activity during physical activity time via SOPLAY observations | 68.60 (11.02) | High interrater reliability r = 0.76-0.98 [26] | 1 | 2 | How many children do you think were active when they attended physical activity time? |
Moderately valid compared to accelerometer estimates for boys and girls combined r = 0.40-0.58 [27] | |||||
Direct observation of proportion of days items served at snack, including brand and size linked with nutrient database | FV: 0.56 (0.23) | Direct observation is a commonly used criterion measure for nutrition studies of school meals [28] | 1 | 5 | Was a fruit or vegetable offered at snack? |
Grain: 0.86 (0.24) | Were grains served at snack? | ||||
Whole grain: 0.29 (0.24) | If grains were served at snack, were whole grains served? | ||||
Water: 0.51 (0.43) | Was water served (with a pitcher or from a cooler) at snack? | ||||
Juice: 0.36 (0.30) | Was 100% juice served at snack? | ||||
Juice >4oz: 0.29 (0.33) | If 100% juice was served at snack, was it served in a container greater than 4oz? | ||||
Proportion of snack component(s) consumed according to direct observation and photography (Coded None 0, some 1, most 2, all 3) | Water: 0.14 (0.23) | High interrater reliability ICC = 0.78-0.92 [29] | 1 & 2 | 2 | For the children who were served water, how much do you think they drank? |
Valid in comparison to weighed plate waste protocol | |||||
Food items ICC = 0.86-0.94 | |||||
Self-served water ICC = 0.47-0.52 [29] | |||||
Direct observation of proportion of days screen time offered during the afterschool program | TV: 0.03 (0.08) | High interrater reliability of young children’s time watching television r = 0.96 [30] | 1 | 5 | Did your program offer any recreational (i.e. internet, entertainment) computer time today? |
Computer: 0.43 (0.40) | Did your program show any broadcast or cable TV or movies today? | ||||
Direct observation of number of children per day consuming foods and beverages brought in from outside the program snack | Sugary drinks: 2.11 (2.09) | High interrater agreement (87%) for item identification in elementary students’ home-packed lunches [31] | 1 | 5 | How many kids consumed sugary drinks from outside the snack program (e.g. vending, home, etc.) during the afterschool day? |
Food: 9.86 (12.20) | How many kids consumed food from outside the snack program during the afterschool day? |