Table 2.

Independent risk factors for non-cure in Yunnan province, China, identified by multivariate logistic regression analysis (N = 813^# )

Characteristic	OR (95% CI)	p-value
Medical insurance		0.002
yes	1
no	4.7 (1.8 - 12.3)
Income*		0.05
low	1
middle	0.45 (0.16 - 1.3)
high	0.22 (0.06 - 0.82)
Patient delay (days)		0.25
<30	1
≥30	6.3 (1.3 - 32.0)
Sputum smear status before treatment		0.05
≤2+	1
>2+	2.7 (1.0 - 7.1)
Sputum smear result after 2 months of treatment		<0.001
negative	1
positive	6.0 (2.3 - 15.9)
Maximum number of missed doses in a row		0.09
0	1
1-7	0.06 (0.04 - 0.74)
>7	0.52 (0.08 - 3.6)
Taking drugs according to guideline		0.03
yes	1
no	2.8 (1.1 - 7.1)
Patient knows that during treatment he/she should go to CDC for medical check-ups		0.01
yes	1
no	9.9 (1.7 - 57.6)
Patient agrees with the need for treatment observation		0.05
yes	1
no	4.4 (0.98 - 20.1)

OR = Odds Ratio, 95%CI = 95% confidence interval

* based on tertiles

# 841 patients in the study, but the questionnaire of 28 patients was not complete, so only 813 patients could be included in the multivariate model