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. 2022 Mar 31;9:133. doi: 10.1038/s41597-022-01251-3

Table 1.

Demographic characteristics of dataset.

HC (n = 64) CUD (n = 74) Statistic
Age 30.6 ± 8.26 31 ± 7.20 t(122) = −0.30
p = 0.76
Sex
 Male 51 (79.68%) 66 (89.18%) χ²(1) = 0.49
 Female 11 (20.31%) 9 (10.81%) p = 0.48
AMAI score
133.44 ± 50.6 107.29 ± 50.6 t(118) = 2.29
p < 0.05
Degree
 Elementary 3 (4.68%) 6 (8.10%) χ²(5) = 14.05
 Middle school 14 (21.87%) 32 (43.24%) p = 0.015
 High school 16 (25%) 10 (13.51%)
 Technical 5 (7.81%) 12 (16.21%)
 Bachelor degree 21 (32.81%) 13 (17.56%)
 Doctorate degree 1 (1.56%) 0 (0%)
Drugs consumption Cocaine
 Years consumption n.a 10.7 ± 6.8 n.a
 Cocaine age onset n.a 20.91 ± 5.59 n.a
 Positive by InstantView n.a 24 (32.43%) n.a
Tobacco
 Years consumption 6.11 ± 7.14 13.64 ± 8.10 t(111) = −5.07
p < 0.05
 Cigarette per day 0.57 ± 0.85 1.44 ± 1.13 t(111) = −4.73
p < 0.05
Alcohol
 Years consumption n.a 14.86 ± 9.96 n.a
Cannabis
 Years consumption n.a 4.01 ± 4.31 n.a

Data are given as N(%) or mean (SD), Two samples t-test was performed for age, and χ² for categorical variables, n.a: no applica. HC, healthy control; CUD, cocaine use disorder.