Table 1.
Demographic data of study population.
| Total (N = 29) | MCOI (N = 14) | Control (N = 15) | P-value | |
|---|---|---|---|---|
| Age (years) | 33.7 ± 8.2 | 35.5 ± 10.4 | 32.0 ± 5.2 | 0.271 |
| Sex | 1.000 | |||
| Female | 16 (55.2) | 8 (57.1) | 8 (53.3) | |
| Male | 13 (44.8) | 6 (42.9) | 7 (46.7) | |
| Height | 168.1 ± 7.2 | 166.2 ± 8.1 | 169.9 ± 6.1 | 0.171 |
| Weight | 64.8 ± 12.8 | 65.1 ± 13.7 | 64.5 ± 12.3 | 0.901 |
| Smoking | 0 | 0 | 0 | |
| Alcohol consumption* | 13 (44.8) | 6 (42.9) | 7 (46.7) | 1.000 |
| Sweet snack† | 27 (93.1) | 13 (92.9) | 14 (93.3) | 1.000 |
| Sleep disturbances‡ | 4 (13.8) | 3 (21.4) | 1 (6.7) | 0.540 |
| Respiratory disease | 0 | 0 | 0 |
Values are expressed as the mean ± standard deviation or number (percentage). MCOI, multichannel oral irrigator. *This variable checked social drinking, and most of the respondents consumed one or two bottles of beer once or twice a week. †This variable checked whether they ate sweet snacks in addition to meals, and the respondents answered once or twice. ‡These variables were sleep apnea in two, bruxism in one, and snoring in the other.