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Table 2 Baseline and follow-up results of the Children’s Healthy Living (CHL) program “in the office” and “in the field” quality assurance (QA) process

From: Quality assurance of data collection in the multi-site community randomized trial and prevalence survey of the children’s healthy living program

QA process Prevalence sites Intervention sites
Baselinea (n = 11) Baselineb (n = 5) Follow-upb (n = 5)
All protocols met Protocols not met All protocols met Protocols not met All protocols met Protocols not met
In the office
Form storage 6 (55 %) 5 (45 %) 3 (60 %) 2 (40 %) 4 (80 %) 1 (20 %)
Consent and assent forms 5 (45 %) 6 (55 %) 2 (40 %) 3 (60 %) 4 (80 %) 1 (20 %)
Accelerometer log 11 (100 %) 0 5 (100 %) 0 5 (100 %) 0
Accelerometer downloads and resetting 9 (82 %) 2 (18 %) 3 (60 %) 2 (40 %) 5 (100 %) 0
Completed forms/logs 11 (100 %) 0 5 (100 %) 0 5 (100 %) 0
In the field
Orientation/check-in 4 (36 %) 7 (64 %) 1 (20 %) 4 (80 %) 5 (100 %) 0
Food and activity log/accelerometer instruction 8 (73 %) 3 (27 %) 3(60 %) 2 (40 %) 3 (60 %) 2 (40 %)
Anthropometry/Acanthosis Nigricans station 3 (27 %) 8 (73 %) 1 (20 %) 4 (80 %) 2 (40 %) 3 (60 %)
Accelerometer placement station 8 (73 %) 3 (27 %) 3 (60 %) 2 (40 %) 2 (40 %) 3 (60 %)
Forms station 4 (36 %) 7 (64 %) 1 (20 %) 4 (80 %) 2 (40 %) 3 (60 %)
Check out station 7 (64 %) 4 (36 %) 3 (60 %) 2 (40 %) 4 (80 %) 1 (20 %)
Transport of forms 7 (64 %) 4 (36 %) 4 (80 %) 1 (20 %) 4 (80 %) 1 (20 %)
  1. aResults include all 11 jurisdictions
  2. bBaseline results among the five jurisdictions participating in the intervention study, for comparison with the 24 month follow-up measurements