Table 2

Descriptive statistics of the Brazilian-Portuguese version of the VSP-A (N = 446).

Scale

Missing data (%)

Ceiling - Floor effect (%)

IIC

IDV

ICC (N)


PsyWB

5 (1.1%)

5.8 - 0.4

0.47-0.61

-0.09-0.43

0.55* (193)


PhyWB

1 (0.2%)

3.1 - 0.2

0.28-0.51

-0.02-0.41

0.58* (193)


VIT

1 (0.2%)

6.1 - 0.7

0.65-0.73

0.20-0.44

0.73* (193)


RT

4 (1.1%)

1.3 - 0.4

0.53-0.69

0.02-0.37

0.69* (191)


SP

7 (1.6%)

6.5 - 5.4

0.73-0.73

-0.02-0.42

0.70* (189)


RF

0

3.8 - 0.2

0.43-0.64

0.01-0.39

0.82* (195)


RP

0

4.9 - 4.3

0.51-0.65

0.00-0.43

0.83* (193)


BI

19 (4.3%)

15.9 - 6.1

0.46-0.46

-0.07-0.36

0.55* (193)


LA

0

1.3 - 0.7

0.46-0.52

-0.02-0.38

0.75* (193)


SSL

133 (42%)

13.9 - 7.0

0.63-0.63

0.01-0.34

0.74* (120)


VSP-A dimensions: PsyWB - psychological well-being; PhyWB - physical well-being; VIT - vitality; RT - relationship with teachers; SP - school performance; RF - relationship with friends; RP - relationship with parents; BI - body image; LA - leisure activities; SSL - sentimental and sexual life; VSP-A scores ranging from 0 (lowest quality of life) to 100 (highest quality of life). Floor - % of cases achieving the lowest score; Ceiling - % of cases achieving the highest score; IIC- Item internal consistency; IDV - Item-discriminant validity : minimum - maximum correlation coefficient; ICC - Intra-class test-retest correlation coefficient. * p < 0.001

Aires et al. BMC Pediatrics 2011 11:8   doi:10.1186/1471-2431-11-8

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