‘South Asian cocktail’ - the concurrent use of opioids, benzodiazepines and antihistamines among injecting drug users in Nepal and associations with HIV risk behaviour

Table 2 Different types of polydrug injection on a single occasion of use consumed by drug users ( N = 300)

Type of drug combination^a	Men	Women	Total	Significance (χ², t test)
1. Buprenorphine + diazepam	64.7%	53.6%	63.7%	χ² = 3.2, p = .243
2. Buprenorphine + diazepam + promethazine	59.2%	46.4%	58.0%	χ² = 1.7, p = .193
3. Buprenorphine + diazepam + promethazine + other antihistamine	69.5%	42.9%	67.0%	χ² = 8.1, p < .01
4. Other (buprenorphine + promethazine or cocktail + pheniramine maleate)	15.8%	7.1%	15.0%	χ² = 1.5, p = .221
No cocktail use	11.8%	39.3%	14.3%	χ² = 15.7, p < .001
Mean number of cocktails (±SD)	2.1 (±1.2)	1.5 (±1.5)	2.0 (±1.3)	t = 2.0, p < .05

^aThe first three kinds of drug mixtures were consumed intravenously only; cocktail number 4 (other) was taken orally by five (male) persons.

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