Table 1.
Sample demographics and their clinical characteristics based on baseline- and follow-up surveys.
| ADa (n = 68) | HCb (n = 68) | Relapsec (n = 35) | Non-relapsed (n = 32) | |||
|---|---|---|---|---|---|---|
| Mean ± SDe | Mean ± SDe | tf/χ2g | Mean ± SDe | Mean ± SDe | tf/χ2g | |
| Demographic variables | ||||||
| Age (years) | 39.97 ± 9.00 | 38.03 ± 9.53 | −1.22 | 40.97 ± 9.18 | 38.97 ± 8.95 | 0.90 |
| Education years | 12.81 ± 3.42 | 13.91 ± 3.54 | 1.85 | 12.51 ± 3.41 | 13.09 ± 3.51 | −0.69 |
| Smoking status (%) | 62 (91.04%) | 26 (38.24%) | 41.73*** | 31 (88.57%) | 30 (93.75%) | 0.55 |
| Clinical characteristics | ||||||
| First drinking age | 19.65 ± 5.40 | 18.71 ± 5.16 | 20.88 ± 5.45 | −1.67 | ||
| Years of drinking | 20.79 ± 8.71 | 22.36 ± 8.79 | 18.50 ± 8.38 | −1.51 | ||
| Family history of alcohol drinking (%) | 15 (22.06%) | 7 (20.00%) | 8 (25.00%) | 0.24 | ||
| Consumption in the last month (g) | 158.92 ± 70.91 | 168.40 ± 65.45 | 144.24 ± 77.67 | −0.27 | ||
| Consumption at the last drinking period (g) | 95.11 ± 66.58 | 22.17 ± 3.62 | 23.54 ± 3.30 | −1.81 | ||
| AUDITh score based on baseline survey | 28.13 ± 8.22 | 28.36 ± 8.01 | 27.96 ± 8.77 | −1.85 | ||
| AUDIT score based on follow-up survey | – | 25.26 ± 10.23 | 0.44 ± 1.34 | 13.62*** | ||
a
AD: alcohol dependence;
b
HC: healthy controls;
c
Relapse: those who relapsed among alcohol-dependent individuals and had AUDIT scores ≥ 8 at the follow-up survey;
d
Non-relapse: those who did not relapse among alcohol-dependent individuals and had AUDIT scores <8 at the follow-up survey.
e
SD: standard deviation;
f
t: values of student's t-test;
g
χ2: values of Chi-square test;
h
AUDIT: Alcohol Use Disorder Identification Test.
***
P < 0.001.