Table 4.

Age-adjusted odds ratios (95% confidence intervals) for TB suspects given X-ray examination by sex and socioeconomic group, rural China, 2003

	Male		Female
	OR	95%CI	OR	95%CI
Income
Low	0.73	(0.55 – 0.99)	0.63	(0.45 – 0.89)
Medium	0.75	(0.55 – 1.03)	0.93	(0.66 – 1.31)
High	1.00		1.00
Education
Illiterate	0.54	(0.37 – 0.78)	1.12	(0.68 – 1.86)
Primary	0.63	(0.46 – 0.87)	1.11	(0.69 – 1.81)
Secondary	1.00		1.00
Health insurance
No	0.89	(0.61 – 1.30)	0.98	(0.66 – 1.46)
Yes	1.00		1.00