Skip to main content
. 2020 May 25;20:247. doi: 10.1186/s12887-020-02057-1

Table 3.

Individual and contextual characteristics of the overall sample (n = 4036)

n n (%) Missing (%)
Agea 4036 13,58 (3,50); 10,50-16,42a 0
Gender 4036 0
Male 1878 (46,5%)
Female 2158 (53,5%)
Body Mass Index 3777 6,4
Normal weight 2830 (74,9%)
Overweight 729 (19,3%)
Obesity 218 (5,8%)
Family Affluence Scale 3885 3,7
High 1591 (41,0%)
Medium 735 (18,9%)
Low 1559 (40,1%)
Family Structure 4036 0
Living with both parents 3135 (77,7%)
Other family typology 901 (22,3%)
Family Communication 3786 6,2
Good communication 2142 (56,6%)
Mixed communication 969 (25,6%)
Poor communication 675 (17,8%)
Don’t have or see 35 (0,9%)
School Attachment 4019 0,4
Like 3130 (77,9%)
Dislike 889 (22,1%)
Academic Achievement 4008 0,7
Good 1981 (49,4%)
Average 1831 (45,7%)
Below average 196 (4,9%)
Evenings with friends (n° per week)a 3938 0 (1); 0–7a 2,4
Been Bullied last 2 months 3991 1,1
Never 2498 (62,6%)
Once or twice 945 (23,4%)
More than twice 548 (13,6%)
Bullied others last 2 months 3987 1,2
Never 2719 (68,2%)
Once or twice 898 (22,5%)
More than twice 370 (9,3%)
Participation in a fight last 12 months 3956 2
Never 2876 (72,7%)
Once or twice 768 (19,4%)
More than twice 312,9%)

Data are presented as n (%) for categorical variables and as Median (Interquartile range); min-max for quantitative variables

a Quantitative variables