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. 2020 Jun 3;17(11):3971. doi: 10.3390/ijerph17113971

Table 1.

Demographic characteristics of intervention schools (n = 3) and plate waste data participants.

Participant Characteristics
School 1 School 2 School 3
Total Number of Trays Sampled 493 483 279
Number of Trays per Month * 61 121 56
Gender 51% Female
49% Male
50% Female
50% Male
44% Female
56% Male
School-Level Characteristics
School 1 School 2 School 3
Total Enrollment 188 335 209
Grades K–8th K–8th 2nd–3rd
Percent Meal Participation * 84% 82% 62%
Lunch Period Length * 17 min 18 min 34 min
Lunch Service Serve Only Serve Only Offer vs. Serve
Predominant Race/Ethnicity 76% White 88% White 96% White
Free/Reduced Lunch Eligibility 100% 100% 55%

* Numbers displayed are averaged across all months of data collection; min: minutes. K: kindergarten grade level.