Table 1. Comparison of sociodemographic characteristics between boys and girls in children and adolescents.

Characteristics	Total ( n =11,427)	Boys ( n =6,083)	Girls ( n =5,344)	P value χ2 test
Age, n (%)
10–12 years	4,101 (35.89)	2,192 (36.03)	1,909 (35.72)	0.909
13–15 years	4,221 (36.94)	2,238 (36.79)	1,983 (37.11)
16–18 years	2,863 (25.05)	1,530 (25.15)	1,333 (24.94)
Education level, n (%)
Primary school stage	3,209 (28.10)	1,722 (28.31)	1,487 (27.83)	0.044
Junior high school stage	4,353 (38.10)	2,365 (38.88)	1,988 (37.20)
Senior high school stage	3,865 (33.80)	1,996 (32.81)	1,869 (34.97)
Economy of the region, n (%)
Poor	3,800 (33.25)	2,141 (35.20)	2,039 (38.15)	0.002
Moderate	3,447 (30.17)	1,847 (30.36)	1,600 (29.94)
High	4,180 (36.58)	2,095 (34.44)	1,705 (31.90)
Serving as a student leader, n (%)
No	5,452 (47.71)	3,190 (52.44)	2,262 (42.33)	<0.001
Yes	5,975 (52.29)	2,893 (47.56)	3,082 (57.67)
Living with families, n (%)
No	10,209 (89.34)	5,403 (88.82)	4,806 (89.93)	0.055
Yes	1,218 (10.66)	680 (11.18)	538 (10.07)
Only-child status, n (%)
No	7,081 (61.97)	3,447 (56.67)	3,634 (68.00)	<0.001
Yes	4,346 (38.03)	2,636 (43.33)	1,710 (32.00)
Frequency of parental quarrels, n (%)
Never	4,565 (39.95)	2,652 (43.60)	1,913 (35.80)	<0.001
Sometimes	6,386 (55.89)	3,200 (52.61)	3,186 (59.62)
Often	476 (4.17)	231 (3.80)	245 (4.58)
Educational level of father, n (%)
L: Primary education level and below	547 (6.43)	258 (5.74)	289 (7.21)	0.020
M: Secondary education level	5,544 (65.21)	2,961 (65.89)	2,583 (64.45)
H: University education level and above	2,411 (28.36)	1,275 (28.37)	1,136 (28.34)
Educational level of mother, n (%)
L: Primary education level and below	908 (10.68)	435 (9.68)	473 (11.80)	<0.001
M: Secondary education level	5,475 (64.40)	2,979 (66.29)	2,496 (62.28)
H: University education level and above	2,119 (24.92)	1,080 (24.03)	1,039 (25.92)