Table 3.

Self-report of lifetime prevalence of alcohol use and regular alcohol use among MDR-TB cases and participants from three control groups who acknowledge any prior alcohol use in Botswana

	MDR-TB n (%)	TB n (%)	P value	HIV n (%)	P value	General population n (%)	P value
Have you ever used alcohol?	114	114		114		228
Yes	40 (35.1)	93 (81.6)	<0.001	111 (97.3)	<0.001	157 (68.9)	<0.001
No	74 (64.9)	21 (18.4)		3 (2.7)		71 (31.1)
If you drank alcohol in the past, when was the last time you drank alcohol?	40	93		111		157
Within the last week	1 (2.5)	2 (2.2)	0.45	23 (20.7)	<0.01	45 (28.6)	<0.001
Within the last month	2 (5)	12 (13.0)		21 (18.9)		85 (54.1)
Within the last 3 months	3 (7.5)	8 (8.6)		11 (9.9)		17 (10.8)
Within the last 6 months	6 (15.0)	15 (16.1)		7 (6.3)		7 (4.5)
Within the last year	12 (30.0)	34 (36.6)		20 (18.0)		2 (1.3)
Within the last 2 years	16 (40.0)	22 (23.7)		29 (26.1)		1 (0.6)
Have you ever used alcohol regularly?	40	93		111		157
Yes	27 (67.5)	30 (32.3)	<0.001	51 (46.0)	0.01	107 (68.2)	0.93
No	13 (32.5)	63 (67.7)		60 (54.0)		50 (31.8)
If you drank alcohol regularly in the past, when was the last time you drank alcohol regularly?	27	30		51		107
Within the last week	1 (4.0)	2 (6.7)	0.11	11 (21.6)	0.12	31 (29.0)	<0.001
Within the last month	2 (8.0)	4 (13.4)		10 (19.6)		50 (46.7)
Within the last 3 months	0	1 (3.3)		2 (3.9)		19 (17.8)
Within the last 6 months	1 (4.0)	7 (23.3)		2 (3.9)		5 (4.7)
Within the last year	10 (37.0)	10 (33.3)		11 (21.6)		1 (1.0)
Within the last 2 years	13 (52.0)	6 (20.0)		15 (29.4)		1 (1.0)

MDR-TB = multidrug-resistant TB; TB = tuberculosis; HIV = human immunodeficiency virus.