Predicted mean (SE)* loss in percentage fat using change in BMI and BMI2 over time intervals of (a) 0.75 years and (b) 1.25 years
Initial BMI | Fall in BMI | ||||
---|---|---|---|---|---|
1 | 2 | 3 | 4 | 5 | |
Approximate 95% PIs are shown in parentheses. | |||||
*Predicted mean loss in percentage fat calculated from 3.90×fall in BMI−0.0339×fall in BMI2+0.818×time interval. | |||||
Standard error (SE) calculated from √{(0.990×(fall in BMI)2)+(0.000209×(fall in BMI2)2)+(0.199×(time interval)2)−(0.02836×fall in BMI×fall in BMI2−(0.07752×fall in BMI×time interval)+(0.000312×fall in BMI2×time interval)}. | |||||
(a) Over 0.75 years | |||||
30 | 2.5% (SE 0.3%) (PI±6.5%) | 4.5% (SE 0.5%) (PI±6.5%) | 6.5% (SE 0.7%) (PI±6.6%) | 8.6% (SE 0.9%) (PI±6.7%) | 10.8% (SE 1.2%) (PI±6.8%) |
35 | 2.2% (SE 0.3%) (PI±6.5%) | 3.8% (SE 0.4%) (PI±6.5%) | 5.5% (SE 0.5%) (PI±6.5%) | 7.3% (SE 0.6%) (PI±6.5%) | 9.1% (SE 0.8%) (PI±6.6%) |
40 | 1.8% (SE 0.4%) (PI±6.5%) | 3.1% (SE 0.5%) (PI±6.5%) | 4.5% (SE 0.6%) (PI±6.5%) | 5.9% (SE 0.8%) (PI±6.6%) | 7.4% (SE 0.9%) (PI±6.7%) |
45 | 1.5% (SE 0.4%) (PI±6.5%) | 2.4% (SE 0.7%) (PI±6.6%) | 3.5% (SE 1.0%) (PI±6.7%) | 4.6% (SE 1.2%) (PI±6.9%) | 5.7% (SE 1.5%) (PI±7.0%) |
(b) Over 1.25 years | |||||
30 | 2.9% (SE 0.5%) (PI±8.4%) | 4.9% (SE 0.6%) (PI±8.4%) | 6.9% (SE 0.7%) (PI±8.4%) | 9.0% (SE 1.0%) (PI±8.5%) | 11.2% (SE 1.2%) (PI±8.6%) |
35 | 2.6% (SE 0.5%) (PI±8.4%) | 4.2% (SE 0.5%) (PI±8.4%) | 5.9% (SE 0.6%) (PI±8.4%) | 7.7% (SE 0.7%) (PI±8.4%) | 9.5% (SE 0.8%) (PI±8.5%) |
40 | 2.2% (SE 0.5%) (PI±8.4%) | 3.5% (SE 0.6%) (PI±8.4%) | 4.9% (SE 0.7%) (PI±8.4%) | 6.3% (SE 0.8%) (PI±8.5%) | 7.8% (SE 1.0%) (PI±8.5%) |
45 | 1.9% (SE 0.6%) (PI±8.4%) | 2.9% (SE 0.8%) (PI±8.4%) | 3.9% (SE 1.0%) (PI±8.5%) | 5.0% (SE 1.3%) (PI±8.7%) | 6.1% (SE 1.5%) (PI±8.8%) |