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TableÌý2 Adjusted within- and between-group differences in anthropometric and body composition indices (adjusted for baseline outcome value)

From: Effects of the MyBFF@school program on anthropometry and body composition among overweight and obese adolescent schoolchildren

Body composition

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Group

Change within-group

95%CI

Change between group (intervention v control)

95%CI

ICC

ÌýÌýÌý

Mean Difference (SE)

Ìý

Mean Difference (SE)

ÌýÌý

BMI \(z\)-score

Month 3

Control

0.007 (0.052)

-0.096,0.110

-0.03(0.067)

-0.138,0.130

0.011*

Intervention

 − 0.070 (0.047)

-0.165,0.020

ÌýÌý

(0.002,0.038)

Month 6

Control

-0.077 (0.051)

-0.177,0.002

0.050 (0.068)

-0.077,0.194

0.006

Intervention

-0.094(0.040)

-0.191,0.004

ÌýÌý

(0.001,0.038)

WC (cm)

Month 3

Control

0.756(0.747)

-0.711,2.220

-1.380(1.150)

-3.64,0.892

0.017

Intervention

-1.329(1.150)

-2.740,0.091

ÌýÌý

(0.006,0.047)

Month 6

Control

0.347(0.789)

-1.210,1.900

0.437(1.180)

-1.956,1.759

0.013

Intervention

0.257(0.750)

-1.240,1.750

ÌýÌý

(0.003,0.044)

PBF(%)

Month 3

Control

0.094(0.499)

-0.889,1.070

-0.440(0.940)

-2.290,1.410

0.041

Intervention

-0.440(0.944)

-2.295,1.414

ÌýÌý

(0.017,0.094)

Month 6

Control

-1.120(0.520)

-2.160,-0.880*

0.977(1.03)

-1.040,3.00

Ìý

Intervention

-0.520(0.500)

-1.520,0.480

ÌýÌýÌý

SMM (kg)

Month 3

Control

0.104(0.360)

-0.566,0.774

-0.027(0.72)

-1.440,1.390

0.055

Intervention

0.270(0.320)

-0.357,0.896

ÌýÌý

(0.024,0.122)

Month 6

Control

0.804(0.360)

0.090,1.510*

-0.615 (0.770)

-2.140.0.190

0.060

Intervention

0.390(0.310)

-0.218,1.00

ÌýÌý

(0.026,0.133)

  1. For BMI z-scores,WC and PBF (%) negative changes indicate a reduction from baseline to month 3 and month 6. For SMM positive change indicate an increase from baseline to month 3 and month 6
  2. BMI body mass index, WC waist circumference, MD mean difference, SE standard error, SMM skeletal muscle mass, ICC intracluster correlation coefficient
  3. *p &±ô³Ù; 0.05