Variable
|
Total (n = 62,276)
|
Boys (n = 31,624)
|
Girls (n = 30,652)
|
---|
n
|
(%)a
|
n
|
(%)a
|
n
|
(%)a
|
---|
Grade
|
7th grade
|
10,189
|
(14.8)
|
5178
|
(14.8)
|
5011
|
(14.9)
|
8th grade
|
10,377
|
(15.4)
|
5272
|
(15.3)
|
5105
|
(15.4)
|
9th grade
|
10,319
|
(15.1)
|
5202
|
(15.1)
|
5117
|
(15.0)
|
10th grade
|
10,165
|
(17.1)
|
5069
|
(17.1)
|
5096
|
(17.1)
|
11th grade
|
10,800
|
(19.0)
|
5610
|
(19.1)
|
5190
|
(18.9)
|
12th grade
|
10,426
|
(18.6)
|
5293
|
(18.6)
|
5133
|
(18.7)
|
Educational stage
|
Middle school
|
30,885
|
(45.3)
|
15,652
|
(45.2)
|
15,233
|
(45.3)
|
High school
|
31,391
|
(54.7)
|
15,972
|
(54.8)
|
15,419
|
(54.7)
|
Region
|
Metropolitan
|
32,065
|
(51.4)
|
15,848
|
(51.3)
|
16,217
|
(51.5)
|
Medium and small cities
|
26,614
|
(44.0)
|
13,940
|
(44.2)
|
12,674
|
(43.9)
|
Rural
|
3597
|
(4.6)
|
1836
|
(4.5)
|
1761
|
(4.6)
|
Family living structure
|
Living with both parents
|
51,735
|
(83.9)
|
26,176
|
(83.5)
|
25,559
|
(84.2)
|
Living with a single parent
|
8729
|
(13.5)
|
4440
|
(13.5)
|
4289
|
(13.4)
|
Others
|
1812
|
(2.6)
|
1008
|
(3.0)
|
804
|
(2.4)
|
Perceived household economic status
|
Wealthy
|
24,802
|
(40.4)
|
13,618
|
(43.4)
|
11,184
|
(37.1)
|
Medium
|
28,582
|
(45.6)
|
13,664
|
(42.9)
|
14,918
|
(48.4)
|
Poor
|
8892
|
(14.0)
|
4342
|
(13.7)
|
4550
|
(14.5)
|
Perceived academic record
|
High
|
24,524
|
(39.2)
|
12,925
|
(40.8)
|
11,599
|
(37.3)
|
Middle
|
17,810
|
(28.7)
|
8683
|
(27.6)
|
9127
|
(30.0)
|
Low
|
19,942
|
(32.1)
|
10,016
|
(31.6)
|
9926
|
(32.7)
|
Perceived stress
|
High
|
23,259
|
(37.2)
|
9552
|
(30.4)
|
13,707
|
(44.6)
|
Middle
|
26,271
|
(42.6)
|
13,745
|
(43.9)
|
12,526
|
(41.2)
|
Low
|
12,746
|
(20.2)
|
8327
|
(25.8)
|
4419
|
(14.2)
|
Depression experience
|
Yes
|
15,612
|
(25.1)
|
6326
|
(20.3)
|
9286
|
(30.3)
|
No
|
46,664
|
(74.9)
|
25,298
|
(79.7)
|
21,366
|
(69.7)
|
Current alcohol use
|
User
|
9597
|
(16.1)
|
5562
|
(18.2)
|
4035
|
(13.2)
|
Non-user
|
52,679
|
(83.9)
|
26,062
|
(81.8)
|
26,617
|
(86.8)
|
- aWeighted percentages considering the complex sample survey design