Table. 1 Demographic characteristics of US adolescents, 2021

From: Syndemics of complex risk factors in adolescents: findings from the youth risk behavior survey, 2021

Characteristics

N (%)

Grade

Ninth

4567 (26.4)

Tenth

4401 (25.3)

Eleventh

4072 (24.1)

Twelfth

3800 (23.3)

Missing

159 (1.0)

Sexual and gender identity

Heterosexual

12262 (70.6)

Gay/Bi/Lesbian

2334 (14.4)

Other sexual minority

649 (3.7)

Questioning

816 (4.9)

Missing

938 (6.5)

Race/ethnicity

Asian

850 (4.9)

Black

2322 (12.0)

White

9151 (50.1)

Hispanic

1213 (9.5)

Multiracial, Hispanic

2031 (15.6)

Multiracial, non-Hispanic

1000 (5.6)

Missing

432 (2.3)

Sex

Male

8687 (50.9)

Female

8049 (47.6)

Missing

263 (1.5)

Alcohol use

Never

8631 (50.1)

Ever

3541 (20.6)

Recent

3591 (21.3)

Missing

1236 (8.0)

Marijuana use

Never

9995 (64.0)

Ever

1545 (10.5)

Recent

2611 (15.4)

Missing

2848 (10.1)

Cigarette use

Never

11080 (70.8)

Ever

1721 (11.1)

Recent

643 (3.7)

Missing

3555 (14.4)

E-cigarette use

Never

10628 (61.8)

Ever

2254 (13.1)

Recent

2872 (16.6)

Missing

1245 (8.6)

Feeling depressed

No

10077 (56.5)

Yes

6656 (41.6)

Missing

266 (1.9)

Suicidal ideation

No

13163 (76.1)

Yes

3534 (21.6)

Missing

302 (2.2)

Age of first sex

Never

10603 (63.4)

11 to 13

1006 (5.7)

14

1080 (6.1)

15

1186 (6.7)

16 or older

1422 (8.3)

Missing

1702 (9.8)

Number of partners

None

10,598 (63.3)

1

2218 (13.1)

2

920 (5.1)

3 or more

1515 (8.5)

Missing

1748 (10.0)

Drugs/alcohol last sex

Never had sex

7936 (58.7)

Yes

726 (4.7)

No

3093 (20.6)

Missing

5244 (16.0)

Condom use last sex

Never had sex

10,598 (63.4)

Yes

2433 (14.5)

No

2246 (12.3)

Missing

1722 (9.8)

COVID MH

Never/rarely

3749 (30.1)

Sometimes

2373 (20.0)

Most of the time/always

3468 (29.3)

Missing

7409 (20.6)

Parent COVID job loss

No

9438 (60.0)

Yes

2729 (19.3)

Missing

4832 (20.7)