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. Author manuscript; available in PMC: 2016 Nov 19.

Published in final edited form as: J Water Health. 2016 Oct;14(5):864–877. doi: 10.2166/wh.2016.012

Table 3. GEE regression sets, M = 1.

Outcomes: Diabetes incidence and prevalence, M = 1 (adjusted exposure in mg)

Covariates	Incidence E=1	Prevalence E=2	Incidence E=1	Prevalence E=2
Added fluoride (in mg)	0.23 (0.06)^***	0.17 (0.05)^***	–	–
Natural fluoride (in mg)	–	–	–0.23 (0.06)^***	−0.15 (0.04)^***
AA physical inactivity	0.06 (0.01)^***	0.06 (0.01)^***	0.05 (0.01)^***	0.06 (0.01)^***
AA obesity	0.31 (0.01)^***	0.22 (0.01)^***	0.31 (0.01)^***	0.22 (0.01)^***
Poverty percent	0.13 (0.01)^***	0.10 (0.01)^***	0.14 (0.01)^***	0.10 (0.01)^***
Fluoridation chemical (yes/no)
Sodium fluoride	0.09 (0.09)	0.11 (0.07)	–	–
Fluorosilicic acid	− 0.45 (0.11)^***	− 0.33 (0.08)^***	–	–
Sodium fluorosilicate	− 0.13 (0.11)	− 0.17 (0.08)^*	–	–
Years water system fluoridated	− 0.005 (0.003)	− 0.003 (0.002)	–	–
Population per square mile (log)	0.93 (0.08)^***	0.64 (0.06)^***	0.87 (0.09)^***	0.58 (0.06)^***
Year = 2010	− 1.85 (0.07)^***	0.33 (0.05)^***	− 1.91 (0.07)^***	0.28 (0.05)^***
Number of counties	887	887	923	923
Number of observations	1,774	1,774	1,846	1,846

Robust standard errors in parentheses.

^***

P < 0.001,

^*

P < 0.05.