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. Author manuscript; available in PMC: 2021 Nov 1.
Published in final edited form as: Obesity (Silver Spring). 2020 Sep 27;28(11):2107–2115. doi: 10.1002/oby.22958

Table 4.

Summaries of the number of visits recorded in the EHR where weight was collected

Track Shape

Control (n=153) Intervention (n=154) Overall (n=307) Control (n=71) Intervention (n=68) Overall (n=139)
Number with only one visit recorded in the EHR, N (%) 2 (1.3%) 5 (3.2%) 7 (2.3%) 10 (14.1%) 8 (11.8%) 18 (12.9%)
Number of visits
  Mean (SD) 9.7 (5.5) 9.0 (5.6) 9.3 (5.5) 5.6 (4.5) 5.5 (4.4) 5.6 (4.4)
  Median (Q1, Q3) 9.0 (6.0, 12.0) 8.0 (5.0, 12.0) 8.0 (6.0, 12.0) 4.0 (2.0, 8.0) 4.0 (2.0, 7.0) 4.0 (2.0, 8.0)
  Min, Max 1.0, 30.0 1.0, 30.0 1.0, 30.0 1.0, 23.0 1.0, 22.0 1.0, 23.0
Number of visits in 3–9 months
  Mean (SD) 1.5 (1.5) 1.4 (1.3) 1.4 (1.4) 1.5 (1.5) 1.6 (1.4) 1.6 (1.5)
  Median (Q1, Q3) 1.0 (1.0, 2.0) 1.0 (0.0, 2.0) 1.0 (0.0, 2.0) 1.0 (1.0, 2.0) 1.0 (0.5, 2.0) 1.0 (1.0, 2.0)
  Min, Max 0.0, 10.0 0.0, 7.0 0.0, 10.0 0.0, 7.0 0.0, 6.0 0.0, 7.0
Number of visits in 9–15 months
  Mean (SD) 1.6 (1.5) 1.4 (1.4) 1.5 (1.4) 1.5 (1.5) 1.4 (1.6) 1.4 (1.6)
  Median (Q1, Q3) 1.0 (0.0, 2.0) 1.0 (0.0, 2.0) 1.0 (0.0, 2.0) 1.0 (0.0, 2.0) 1.0 (0.0, 2.0) 1.0 (0.0, 2.0)
  Min, Max 0.0, 7.0 0.0, 6.0 0.0, 7.0 0.0, 7.0 0.0, 7.0 0.0, 7.0
Number of visits in 15–21 months
  Mean (SD) 1.3 (1.4) 1.5 (1.6) 1.4 (1.5) 1.0 (1.2) 0.8 (1.0) 0.9 (1.1)
  Median (Q1, Q3) 1.0 (0.0, 2.0) 1.0 (0.0, 2.0) 1.0 (0.0, 2.0) 1.0 (0.0, 2.0) 0.0 (0.0, 1.0) 1.0 (0.0, 1.0)
  Min, Max 0.0, 5.0 0.0, 9.0 0.0, 9.0 0.0, 4.0 0.0, 5.0 0.0, 5.0

Abbreviations: kg – kilograms; EHR – Electronic Health Records; SD – Standard Deviation;

Q - Quartile