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. Author manuscript; available in PMC: 2020 Nov 12.
Published in final edited form as: Biol Psychol. 2019 Aug 23;148:107744. doi: 10.1016/j.biopsycho.2019.107744

Table 1.

Demographic and clinical characteristics of participants.

Healthy (n = 32)
At-risk (n = 22)
Anxious (n = 22)
Characteristics M (SD) M (SD) M (SD) p a
Age 13.50 (2.08) 13.32 (2.34) 13.26 (2.47) .919
Sex (% male) 40.6 48 47.8 .816
Tannerb 3.63 (0.98) 3.48 (1.19) 3.32 (1.25) .616
SES 26.59 (13.09) 34.26 (13.92) 27.91 (11.71) .077
Ethnicity (% Caucasian) 78.1 92 82.6 .370
IQ
 Verbal 110.42 (16.86) 108.68 (13.24) 108.29 (16.18) .866
 Performance 104.71 (11.59) 107.60 (17.08) 101.81 (14.10) .393
C-GAS 86.72 (5.36) 80.42 f (8.38) 57.22 gj (9.13) < .001
SCARED-R
 Children 18.10 (8.92) 25.21 e (11.15) 32.21 g (13.89) < .001
 Parent about child 9.65 (6.86) 16.35 e (10.23) 32.34 gj (11.37) < .001
STAIC c
 State 48.34 (5.46) 49.84 (5.57) 54.95 eg (8.55) .002
 Trait 48.19 (7.96) 54.44 e (10.11) 61.77 gh (9.28) < .001
CDI
 Children 43.44 (4.91) 44.67 (4.57) 50.90 gi (9.53) < .001
 Parent about child 44.32 (4.84) 51.42 e (9.18) 58.28 gi (7.00) < .001
PARS (children)
 Time 1 21.27 (4.38)
 Time 2 19.76 (5.48)
STAI (parent) cd
 Mothers
 State 39.22 (9.96) 43.92 (7.93) 46.45 e (8.84) .014
 Trait 37.63 (8.16) 48.00 g (12.67) 48.27 j (9.89) < .001
Fathers
 State 42.00 (7.90) 47.31 (12.87) 43.56 (10.16) .323
 Trait 40.64 (6.21) 44.69 (10.98) 42.33 (7.74) .399

Note. SES = Socioeconomic status; C-GAS = Children’s Global Assessment Scale; SCARED-R = Screen for Child Anxiety Related Emotional Disorders-Revised; STAIC = State-Trait Anxiety Inventory for Children; CDI = Child Depression Inventory; PARS = Pediatric Anxiety Rating Scale;

a

Group analyses regarding sex and ethnicity of participants were performed using chi squares for quantitative measures, and other variables were compared using one-way analysis of variance (ANOVA);

b

Positive correlation between age and puberty status in all participants (r = .83, p < .001);

c

Mean scores of standardised T scores;

d

to assess parents’ current anxiety symptoms;

e

p < .05 vs. healthy;

f

p < .01 vs. healthy;

g

p < .001 vs. healthy;

h

p < .05 vs. at-risk;

i

p < .01 vs. at-risk;

j

p < .001 vs. at-risk.