Table 2.

Tuberculosis patient and treatment characteristics associated with taking less than 90% of prescribed doses of anti-TB treatment

		< 90% drug adherence		Univariate			Adjusted
	N	n	%	OR	95% CI	p-value	OR	95% CI
Province						0.02
Anhui	105	11	10.5%	1.00
Ningxia	104	0	0%	--	--
Jiangxi	105	9	8.6%	0.80	0.32-2.02
Guizhou	105	22	21.0%	2.27	1.04-4.95
Ganshu	105	7	6.7%	0.61	0.23-1.64
Education level						0.04
No formal education	142	7	4.9%	1.00
At least primary school	382	42	11.0%	2.38	1.04-5.43
TB patient category						0.20
New	476	42	8.8%	1.00
Retreatment	48	7	14.6%	1.76	0.75-4.18
Adverse effects during treatment						< 0.01
Yes	312	41	13.1%	1.00			1.00
No	212	8	3.8%	0.26	0.12-0.57		0.30	0.17-0.53
DOT during the intensive phase						< 0.01
no DOT	241	33	13.7%	1.00			1.00
DOT by village doctors	153	5	3.3%	0.21	0.08-0.56		0.28	0.09-0.82
DOT by volunteers	130	11	8.5%	0.58	0.28-1.20		0.44	0.19-1.03
DOT during continuation phase						0.02
no DOT	253	31	12.3%	1.00
DOT by village doctors	136	4	2.9%	0.22	0.08-0.63
DOT by volunteers	135	14	10.4%	0.83	0.42-1.62
Supervision visits by (village) doctor during treatment						< 0.001
Yes	462	35	7.6%	1.00
No	62	14	22.6%	3.56	1.79-7.08
Time DOT observer spends with the patient during observation of treatment						0.003
DOT at home, ≤10 minutes	181	10	5.5%	1.00			1.00
DOT at home, > 10 minutes	198	15	7.6%	1.40	0.61-3.20		2.10	0.82-5.42
DOT outside home or no DOT	145	24	16.6%	3.39	1.57-7.35		3.49	1.42-8.62