Table 1 . Relative frequencies of daily tooth brushing and dental flossing habits by gender groups .
OH frequency per day | All | Male | Female | |||||||
Number | % | 95% CI | Number | % | 95% CI | Number | % | 95% CI | ||
Tooth Brush | Never | 4,280 | 32.5 | 28.4-36.8 | 2,197 | 39.7 | 37.1-42.3 | 2,083 | 25.0 | 23.3-26.8 |
Once | 5,423 | 47.4 | 44.3-50.5 | 2,245 | 46.4 | 44.5-48.3 | 3,178 | 48.5 | 47.0-49.9 | |
Twice or more | 2,364 | 20.1 | 17.7-22.7 | 681 | 13.9 | 12.8-15.2 | 1,683 | 26.5 | 25.1-28.0 | |
Dental Floss | Never | 10,145 | 83.2 | 79.4-86.4 | 4,456 | 86.1 | 84.6-87.5 | 5,689 | 80.1 | 77.9-82.2 |
Once | 1,513 | 13.4 | 10.8-16.4 | 555 | 11.6 | 10.3-12.9 | 958 | 15.3 | 13.7-16.9 | |
Twice or more | 407 | 3.4 | 2.7-4.3 | 114 | 2.3 | 2.0-2.6 | 293 | 4.6 | 4.0-5.2 |
OH= Oral Hygiene; CI= Confidence Interval