Table 2.
Patient-level characteristics of subjects with a cracked tooth, overall and according to whether cracked tooth was symptomatic: Frequency of self-reported behaviors.
| Self-reported Behaviors | ALL | Symptomatic | ||
|---|---|---|---|---|
| N | Col1% | N | Row2 % | |
| Clench or grind teeth in sleep | ||||
| None of the time | 1,549 | 52% | 661 | 43% |
| < 1 day/month | 173 | 6% | 82 | 47% |
| 1 – 3 days/month | 373 | 13% | 181 | 49% |
| 4 – 15 days/month | 368 | 12% | 177 | 48% |
| > 15 days/month | 498 | 17% | 255 | 51% |
| missing = 14 | P3 = 0.01 | |||
| Wear night guard | ||||
| None of the time | 2,504 | 84% | 1132 | 45% |
| < 1 day/month | 36 | 1% | 21 | 58% |
| 1 – 3 days/month | 48 | 2% | 25 | 52% |
| 4 – 15 days/month | 67 | 2% | 25 | 37% |
| > 15 days/month | 315 | 11% | 157 | 50% |
| missing = 5 | P = 0.3 | |||
| Clench or grind teeth while awake | ||||
| None of the time | 1,834 | 62% | 790 | 43% |
| < 1 day/month | 243 | 8% | 121 | 50% |
| 1 – 3 days/month | 383 | 13% | 197 | 51% |
| 4 – 15 days/month | 286 | 10% | 139 | 49% |
| > 15 days/month | 228 | 8% | 117 | 51% |
| missing = 1 | P = 0.02 | |||
| Press, touch or hold teeth together | ||||
| None of the time | 1,621 | 54% | 687 | 42% |
| < 1 day/month | 275 | 9% | 143 | 52% |
| 1 – 3 days/month | 344 | 12% | 168 | 49% |
| 4 – 15 days/month | 338 | 11% | 167 | 49% |
| > 15 days/month | 388 | 13% | 195 | 50% |
| missing = 9 | P < 0.001 | |||
| Hold objects, chew hard candy or ice | ||||
| None of the time | 1,603 | 54% | 717 | 45% |
| < 1 day/month | 363 | 12% | 170 | 47% |
| 1 – 3 days/month | 428 | 14% | 193 | 45% |
| 4 – 15 days/month | 318 | 11% | 156 | 49% |
| > 15 days/month | 259 | 9% | 125 | 48% |
| missing = 4 | P = 0.2 | |||
| Chew gum | ||||
| None of the time | 1,136 | 38% | 508 | 45% |
| < 1 day/month | 422 | 14% | 189 | 45% |
| 1 – 3 days/month | 474 | 16% | 219 | 46% |
| 4 – 15 days/month | 475 | 16% | 217 | 46% |
| > 15 days/month | 462 | 16% | 230 | 50% |
| missing = 6 | P = 0.1 | |||
| Feel stressed | ||||
| None of the time | 522 | 19% | 207 | 40% |
| < 1 day/month | 342 | 12% | 139 | 41% |
| 1 – 3 days/month | 824 | 30% | 349 | 42% |
| 4 – 15 days/month | 631 | 23% | 295 | 47% |
| > 15 days/month | 448 | 16% | 237 | 53% |
| missing [not in pilot] = 208 | P < 0.001 | |||
| Avoid chewing on a side of mouth | ||||
| No | 2,267 | 76% | 866 | 38% |
| Yes | 708 | 24% | 498 | 70% |
| P < 0.001 | ||||
| Clench, grind, OR press teeth together, either sleep or awake | ||||
| No | 988 | 33% | 389 | 39% |
| Yes | 1,977 | 67% | 970 | 49% |
| missing = 10 | P < 0.001 | |||
1
Column percents not summing to 100 due to rounding
2
Percent symptomatic within level of activity
3
Significance of differences in proportions of symptomatic cracked teeth, adjusted only for clustering using generalized estimating equations