Table III.

Odds Ratios and and 95% Confidence Intervals from Logistic Regression and Multinomial Logistic Regressions on Fluorosis Prevalence

NHANES, 2001–02 and 2011–12

	Unadjusted Odds Ratio [95% CI*]	P-Value	Adjusted Odds Rato [95% CI]	P-Value
Fluorosis as mild and above compared with questionable and normal
Year		<.0001		<.0001
2011–2012	3.60 [2.15, 6.05]		3.85 [2.20, 6.72]
2001–2002	reference (1.00)		reference (1.00)
Fluorosis as questionable compared with normal
Year		0.3149		.3375
2011–2012	0.64 [0.26, 1.57]		0.65 [0.27, 1.59]
2001–2002	reference (1.00)		reference (1.00)
Fluorosis as mild and above compared with normal
Year		<.0001		<.0001
2011–2012	8.25 [4.17, 16.34]		10.75 [4.79, 24.13]
2001–2002	reference (1.00)		reference (1.00)

Abbreviations:

^*CI=Confidence Interval

Adjusted Odds Ratio includes adjustments for: sex, race/ethnicity, federal poverty level (Health and Human Services Policy guidelines were used as the measure) and medical insurance.