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Table 1 Baseline descriptive statistics of participants with ≥12 months of participation (n = 845), participants with ≥12 months of participation that did not have a follow-up that included lab work at least 12 months after the initial visit (n = 264), participants with ≥12 months of participation and a follow-up reassessment including lab work at least 12 months after the initial visit (n = 581), and the analytic sample which included participants whose nearest follow-up with lab work occurred 12–24 months after the initial visit and had no missing data (n = 144)

From: A real-world evaluation of a tertiary care childhood obesity intervention to reduce metabolic risk in a hard-to-reach urban population

  Participants with ≥ 12 months of participation
n = 845
Did not have a follow-up with lab work at least 12 months after initial visit
n = 264
Had a follow-up with labs at least 12 months after initial visit
n = 581
Analytic Sample: nearest follow-up with labs occurred 12–24 months after the initial visit and had no missing data
n = 144
Variable N (%) N (%) N (%) N (%)
Age in years
mean ± SD
10.5 ± 3.5* 11.3 ± 3.5* 10.1 ± 3.4* 9.6 ± 3.0*
Sex
 Male 340 (40%) 113 (43%) 228 (39%) 54 (37.5%)
 Female 504 (60%) 150 (57%) 353 (61%) 90 (62.5%)
BMI%95
mean ± SD
136.8 ± 25.9 135.7 ± 25.2 137.1 ± 25.9 133.6 ± 22.7
BMI z-score
mean ± SD
2.5 ± 0.5 2.4 ± 0.4 2.6 ± 0.5 2.5 ± 0.6
Obesity Prevalencea
 Healthy weight 2 (0.2%) 0 (0.0%) 2 (0.3%) 1 (0.7%)
 Overweight 20 (2.4%) 8 (3.0%) 12 (2.1%) 2 (1.4%)
 Obese 202 (23.9%) 68 (25.8%) 136 (23.4%) 40 (27.8%)
 Severely Obese 604 (71.5%) 180 (68.2%) 424 (73.0%) 101 (70.1%)
 Missing 17 (2.0%) 8 (3.0%) 7 (1.2%) 0 (0.0%)
  1. Overweight: BMI between the 85th & 94th percentile for age & sex
  2. Obese: BMI ≥ 95th percentile & < 120% of the 95th percentile for age & sex
  3. Severely Obese: BMI ≥ 120% of the 95th percentile for age & sex
  4. *Significant differences between groups; p < 0.05
  5. a Healthy weight: BMI between the 5th & 84th percentile for age & sex