Low Back Pain Prevalence and Associated Factors in Iranian Population: Findings from the National Health Survey

Table 2

Adjusted^a odds ratios for low back pain among 25307 Iranian adults, National Health Survey in Iran, in the logistic analysis.

variable	OR^b	95% CI^c
Obesity
Nonobese	1.00
Obese	1.15	1.06–1.24
Sex
Men	1.00
Women	3.05	2.84–3.27
Place of residence
Urban	1.00
Rural	1.24	1.17–1.32
Smoking
Nonsmoker	1.00
Smoker	1.40	1.27–1.53
Marital status
Single	1.00
Married	1.51	1.39–1.64
Education level
Basic	1.00
Moderate	0.79	0.73–0.85
High	0.65	0.57–0.74
Economy index	0.996	0.994–0.998
Age	1.03	1.029–1.034

^a Adjusted for all other variables in the table.
^bOdds ratio.
^cConfidence interval.