Expanding co-payment for methadone maintenance services in Vietnam: the importance of addressing health and socioeconomic inequalities

Table 4 Willingness to pay for MMT by different patient groups

Variable		Willing to pay		Monthly price (1000 Vietnam Dong)
Variable	N	No.	%	Mean	(95% CI)
Overall	1016	970	95.5%	639	575	704
MMT models
Nam Dinh	270	259	95.9%	595	478	712
Xuan Truong	151	148	98.0%	594	433	755
Tu Liem	201	193	96.0%	694	539	849
Long Bien	184	174	94.6%	689	532	845
Ha Dong	210	196	93.3%	631	489	774
History of drug rehabilitation
None	74	69	93.2%	495	298	691
1–5 times	675	648	96.0%	639	559	718
6–10 times	211	202	95.7%	689	542	836
> 10 times	56	51	91.1%	636	369	904
HIV status
Positive	82	45	54.9%	435	237	632
Negative	876	870	99.3%	660	591	730
N/A	58	55	94.8%	622	325	919
Duration on MMT
Not yet	28	24	85.7%	545	135	954
1–3 months	115	110	95.7%	815	581	1049
4–6 months	74	72	97.3%	609	370	848
7–12 months	257	246	95.7%	607	483	730
13–24 months	341	327	95.9%	582	482	682
25–36 months	166	157	94.6%	598	450	747
37–60 months	35	34	97.1%	1102	600	1604

ISSN: 1472-6963