Table 2.

Comparisons of substance use among FEWs with a lower and higher level of psychological distress

Substance use in the past 3 months	Total	Total GHQ-12 score
	(n = 657)	≤3 (n = 373)	>3 (n = 284)	p-value*
Drunk at least a full glass of alcohol	609 (92.7)	339 (90.9)	270 (95.1)	0.04
Mean number of days getting drunk (past month)	18.7 ± 12.6	18.4 ± 12.6	19.2 ± 12.5	0.46
Mean amount of alcohol per day (cans, glasses)	6.2 ± 7.7	5.7 ± 7.3	6.7 ± 8.2	0.11
Had been forced to drink at work in past 3 months	170 (28.0)	67 (19.8)	103 (38.3)	<0.001
Used any kinds of illicit drugs	11 (1.7)	2 (0.5)	9 (3.2)	0.01

Abbreviations: FEWs female entertainment workers, GHQ general health questionnaire

Values are number (%) for categorical variables and mean ± SD for continuous variables

^*Chi-square test was used for categorical variables and Student’s t-test was used for continuous variables