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Table 4 Descriptive and group level changes in %BMIp95 by sex, ethnicity and baseline body size

From: Results of a referral-based weight management program targeted toward children aged 2 to 6 years with obesity or severe obesity

  %BMIp95 scoresEstimated regression coefficient (b)
 NBaselineFollow upChange scoreModel 1Model 2
Sex
 Boys24123.6 ± 19.7121.2 ± 18.8−2.4 ± 7.4  
 Girls31119.8 ± 17.1116.5 ± 14.7−3.3 ± 9.7  
 Mean difference 3.8 (−6.2, 13.8)4.7 (−4.3, 13.8)0.9 (− 3.9, 5.7)−1.7 (−6.1, 2.7)−2.0 (− 6.5, 2.4)
 P-value 0.4450.3020.7120.4520.365
Ethnicity
 Non-Hispanic19124.6 ± 19.3121.7 ± 15.9−2.9 ± 8.7  
 Hispanic36119.8 ± 17.7116.9 ± 17.0−2.9 ± 8.8  
 Mean difference 4.8 (−5.5, 15.2)4.9 (−4.5, 14.3)0.0 (−5.0, 5.0)−1.0 (−5.6, 3.6)−0.7 (− 5.4, 4.1)
P-value 0.3530.3060.9940.6670.780
Baseline body size
 Obese31108.7 ± 5.4108.0 ± 8.4−0.6 ± 5.5  
 Severely obese24138.0 ± 15.4132.2 ± 14.6−5.8 ± 11.0  
 Mean difference 29.3 (3.3, 22.5)24.1 (3.3, 17.3)5.2 (0.2, 10.2)1.8 (−5.6, 9.2)2.1 (−5.3, 9.6)
 P-value < 0.001< 0.0010.0440.6290.564
  1. Values are mean ± SD or mean (95% CI)
  2. Estimated regression coefficient for sex, ethnicity and baseline body size was adjusted for baseline %BMIp95 in Model 1 and further adjusted for the study child’s age at baseline (years) and length of ELI participation (months) in Model 2