. Author manuscript; available in PMC: 2022 Jan 1.

Published in final edited form as: Psychosom Med. 2021 Nov-Dec;83(9):959–968. doi: 10.1097/PSY.0000000000001009

Table 1.

Sample characteristics compared by condition.

Demographics	Placebo	Propranolol	Total	p-value
Sex, n (%)
Female	21 (23.3%)	19 (21.1%)	40 (44.4%)	.962 ^a
Male	26 (28.9%)	24 (26.7%)	50 (55.6%)	.962 ^a
Race n (%)
Asian descent	12 (13.3%)	11 (12.2%)	23 (25.6%)	.876 ^a
African descent	5 (5.6%)	3 (3.3%)	8 (8.8%)
European descent	27 (30.0%)	24 (26.7%)	51 (56.7%)
Bi- or multi-racial	2 (2.2%)	4 (4.4%)	6 (6.7%)
Other	1 (1.1%)	1 (1.1%)	2 (2.2%)
Age, mean (years)	20.49 ± 1.56	20.07 ± 1.28	20.29 ± 1.46	.173 ^b
BMI (kg/m²), mean ± SD	23.09 ± 2.43	22.44 ± 2.50	22.78 ± 2.47	.220 ^b
Objective SES, mean ± SD	16.52 ± 1.93	16.19 ± 1.89	16.36 ± 1.91	.408 ^b

Note: Frequency counts show percentages of total sample. Objective SES was operationalized as the mean years of education that both parents completed.

Difference tested with Pearson’s chi-square.

Difference tested with independent samples t-tests.