Table 1

Study participant groups by detectable caries at study visit

CharacteristicCaries +Caries −Total
Subjects293968
Females (%)16 (55.2%)20 (51.3%)36 (52.9%)
Months between initial visit and study visit (mean, sd)11.5 (8.7)12.7 (7.7)12.2 (8.1)
Age (mean, sd)57.9 (14.8)57.6 (14.4)57.7 (14.5)
Fluoride varnish13 (44.8%)17 (43.6%)30 (44.1%)