Associations between self-efficacy, bullying and health-related quality of life in a school sample of adolescents: a cross-sectional study

Table 1 Descriptive statistics for all variables, ks01–09 are 9 kidscreen dimensions, N = 723

Variables	Min	Max	Mean	SD	Skewness	Kurtosis	Alpha
ks01 (Phys well-being)	0	100	65.00	21.25	−0.30	− 0.65	.84
ks02 (Psych well-being)	8	100	75.78	18.25	−0.94	0.69	.89
ks03 (Moods/emotion)	18	100	81.42	14.71	−1.39	2.22	.86
ks04 (Self-perception)	0	100	70.19	20.78	−0.64	−0.25	.82
ks05 (Autonomy)	0	100	68.51	20.73	−0.58	− 0.14	.85
ks06 (Parents-relationship)	8	100	75.75	19.04	−0.80	0.23	.88
ks07 (Financial resources)	0	100	78.53	23.28	−1.13	0.75	.89
ks08 (Peers and social supp)	21	100	73.14	17.07	−0.47	−0.35	.83
ks09 (School environment)	0	100	62.39	19.21	−0.21	− 0.24	.87
Gender (girls = 0, boys = 1)	0	1	0.46	0.50	0.17	−1.98
Age	12	18	14.6	2.15	0.31	−1.22
Bullied	0	1	0.13	0.34	2.15	2.64
Bullying	0	1	0.13	0.34	2.19	2.79
Self efficacy	1.20	4.00	3.07	0.60	−0.31	−0.38

ISSN: 1471-2458