Table 2.

Association of AMD with age, sex, tobacco smoking, AMD in family and living environment.

Factor	OR1 (95% CI)	p2
Age	1.049 (1.024–1.074)	<0.001*
Sex3	0.555 (0.328–0.939)	<0.05*
Smoking	0.987 (0.572–1.706)	0.964
Family AMD	6.854 (2.036–23.077)	<0.001*
Environment4	0.713 (0.41–1.238)	0.231

¹Odds ratio with 95% confidence interval;

²Chi-square test;

³adjusted to females;

⁴adjusted to rural.

Data in boldface are statistically significant.