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. Author manuscript; available in PMC: 2018 Sep 1.
Published in final edited form as: J Public Health Dent. 2017 May 18;77(4):360–371. doi: 10.1111/jphd.12220

Table 2.

Demographic Information from 344 Participants of the Iowa Fluoride Study with Complete Outcome and Dietary Data

Variable Category N (%)
Sex Females 178 (51.7)
Males 166 (48.3)
Race Caucasian 331 (96.2)
Other 13 (3.8)
Mother’s education <4-Year Degree 171 (50.6)
4-Year Degree or More 165 (48.8)
No Female Head of Household 2 (0.6)
Family income <$60,000 105 (30.5)
$60,000 or More 225 (65.4)
Refused to Answer 14 (4.1)