Table 1 Demographics for adult, adolescent, and combined samples

n

495

187

682

Age in years (M [SD])

37.2 (13.3)

15.4 (1.4)

31.2 (14.9)

Sex (M/F)

206/289

146/41

352/330

Gender

Cisgender male

194

138

332

Cisgender female

255

39

294

Transgender male

5

0

5

Transgender female

1

0

1

Other/non-binary

20

2

22

Race^a

White

433 (87.5%)

168 (89.8%)

601 (88.1%)

Asian

19 (3.8%)

3 (1.6%)

22 (3.2%)

Black/African American

22 (4.4%)

12 (6.4%)

34 (5.0%)

Native American

28 (5.7%)

5 (2.7%)

33 (4.8%)

Native Hawaiian

3 (0.6%)

3 (1.6%)

6 (0.9%)

Other

20 (4.0%)

3 (1.6%)

23 (3.4%)

Hispanic/Latino Ethnicity

37 (7.5%)

15 (8.0%)

52 (7.6%)

Annual household income (USD)

 ≤ $20,000

138 (27.9%)

18 (9.6%)

156 (22.9%)

$21,000–$35,000

74 (14.9%)

29 (15.5%)

103 (15.1%)

$36,000–$50,000

60 (12.1%)

29 (15.5%)

89 (13.0%)

$51,000–$65,000

40 (8.1%)

17 (9.1%)

57 (8.4%)

$66,000–$80,000

43 (8.7%)

27 (14.4%)

70 (10.3%)

$81,000–$100,000

34 (6.9%)

19 (10.2%)

53 (7.8%)

$101,000–$130,000

32 (6.5%)

23 (12.3%)

55 (8.1%)

$131,000–$160,000

19 (3.8%)

11 (5.9%)

30 (4.4%)

 ≥ $161,000

23 (4.6%)

6 (3.2%)

29 (4.3%)

ISQ total score (M [SD])

61.9 (30.5)

53.1 (27.3)

59.5 (29.9)

ISQ-8 Latent trait score (M [SD])

0.06 (0.95)

− 0.16 (0.90)

0.00 (0.94)