Table 1.
Child Participant Demographics by Rapid Response to Treatment
| Overall (N=137), mean (SD) or n (%) | Rapid Responder (n=45), mean (SD) or n (%) | Non-Rapid Responder (n=92), mean (SD) or n (%) | Test Statistic; p-value | |
|---|---|---|---|---|
| Sex (female) | 90 (66%) | 23 (51%) | 67 (73%) | 5.40; 0.02* |
| Age (years) | 10.48 (1.28) | 10.64 (1.35) | 10.4 (1.24) | −1.00; 0.32 |
| Race/Ethnicity | 8.85; 0.01* | |||
| Hispanic | 40 (29%) | 12 (27%) | 28 (30%) | |
| Non-Hispanic White | 61 (45%) | 27 (60%) | 34 (37%) | |
| Non-Hispanic, Non-White | 34 (25%) | 5 (11%) | 29 (32%) | |
| Treatment (FBT) | 69 (50%) | 19 (42%) | 50 (54%) | 1.33; 0.25 |
| Income (< $60,000) | 37 (27%) | 11 (24%) | 26 (28%) | 0.11; 0.73 |
| Child BMI (kg/m2) | 26.35 (3.58) | 26.26 (3.4) | 26.39 (3.69) | 0.19; 0.85 |
| Child BMIz | 2.0 (.33) | 1.99 (.33) | 2.0 (.33) | 0.29; 0.77 |
| Child %of95th | 113.71 (13.44) | 113.22 (13.19) | 113.94 (13.63) | 0.29; 0.77 |
| Child %distmed | 54.13 (18.54) | 53.15 (17.69) | 54.61 (19.01) | 0.44; 0.66 |
| Parent BMI (kg/m2) | 32.05 (6.37) | 31.38 (5.76) | 32.38 (6.66) | 0.90; 0.37 |
| Parent weight change at week 4 (lbs) | −2.26 (6.41) | −3.92 (3.41) | −1.43 (7.34) | 2.70; 0.007** |
| Child percent of BMIz change at post-treatment | −14% (14) | −21% (15) | −10% (12) | 4.20; <0.001*** |
| Child percent of %of95th change at post-treatment | −7% (6) | −11% (6) | −5% (5) | 5.26; <0.001*** |
| Child percent of %distmed change at post treatment | −19% (19) | −31% (19) | −14% (17) | 5.02; <0.001*** |
| Child percent of BMIz change at 6-month follow-up | −10% (17) | −17% (17) | −7% (15) | 2.96; 0.004** |
| Child percent of %of95th change at 6-month follow-up | −5% (7) | −8% (7) | −3% (7) | 3.60; p<0.001*** |
| Child percent of %distmed change at 6-month follow-up | −12% (24) | −22% (23) | −6% (24) | 3.63; <0.001*** |
| Child percent of BMIz change at 18-month follow-up | −9% (16) | −12% (16) | −8% (16) | 1.04; 0.30 |
| Child percent of %of95th change at 18-month follow-up | −4% (8) | −5% (8) | −4% (8) | 1.13; 0.26 |
| Child percent of %distmed change at 18-month follow-up | −8% (26) | −12% (24) | −5 (27) | 1.36; 0.18 |
Note: FBT = Family-Based Treatment; %of95th = percentage above the 95th percentile; %distmed % distance of a child’s BMI from the median BMI for sex and age;
*
p<0.05;
**
p<0.01;
***
p<.001