Table 3.

Univariate and multivariate investigation for the association of lead level and FGID

	Crude model OR	P	Adjusted model OR	P a
Lead	1.08 (0.76,1.7)	0.67	1.13 (0.80,1.70)	0.49
Sex (Ref. male)	1.12 (0.57,2.20)	0.75	1.57 (.75,3.26)	0.23
Age	1.18 (0.84,1.65)	0.33	1.23 (0.73,2.09)	0.43
Weight	1.07 (0.76,1.51)	0.69	0.94 (0.55,1.59)	0.81

Logistic regression derived odds ratio of functional pain for a standard deviation increase in lead level, age, and weight. ^aAdjusted for gender, age, and weight