Table 1.
Baseline demographic and clinical characteristics of patients assigned to the propranolol and placebo groups.
| Propranolol group (n = 19) | Placebo group (n = 17) | ||||
|---|---|---|---|---|---|
| Number of participants | 19 | 17 | |||
| Mean | SD | Mean | SD | ||
| Age | 29.26 | 10.84 | 26.71 | 8.46 | |
| Time since index trauma (years) | 11.68 | 8.25 | 6.75 | 6.30 | |
| Dental anxiety (S-DAI) total score at first dental extraction | 32.11 | 7.26 | 31.59 | 7.53 | |
| Proportion | Proportion | ||||
| Index trauma dentistry related |
12/19 | 63.2% | 12/17 | 70.6% | |
| Female gender | 16/19 | 84.2% | 13/17 | 76.5% | |
| Finds extraction extremely anxiety provoking | 9/19 | 47.4% | 6/17 | 35.3% | |
| Level of education | High school (4y) | 4/19 | 21.0% | 2/17 | 11.8% |
| High school (5y) | 5/19 | 26.3% | 7/17 | 41.2% | |
| High school (6y) | 4/19 | 21.0% | 2/17 | 11.8% | |
| College | 1/19 | 5.3% | 3/17 | 17.6% | |
| University | 5/19 | 26.3% | 3/17 | 17.6% | |
| Relationship status | Single | 9/19 | 47.4% | 10/17 | 58.8% |
| Divorced | 1/19 | 5.3% | 0/17 | 0.0% | |
| Widow (er) | 0/19 | 0.0% | 1/17 | 5.9% | |
| Living apart | 2/19 | 10.5% | 2/17 | 11.8% | |
| Living together | 6/19 | 31.6% | 1/17 | 5.9% | |
| Married | 1/19 | 5.3% | 3/17 | 17.6% | |
| Country of birth | The Netherlands | 17/19 | 89.5% | 15/17 | 88.2% |
| Caribbean | 0/19 | 0.0% | 1/17 | 5.9% | |
| Morocco | 1/19 | 5.3% | 0/17 | 0.0% | |
| Asian | 0/19 | 0.0% | 1/17 | 5.9% | |
| European (other) | 1/19 | 5.3% | 0/17 | 0.0% | |
| Specific phobia diagnosis at screening (Phobia Checklist) | 5/19 | 26.3% | 5/17 | 29.4% | |
| Specific phobia diagnosis at first dental extraction (DSM-IV TR) |
4/19 | 21.0% | 6/17 | 35.3% | |
| Specific phobia diagnosis at first dental extraction (DSM 5) | 8/19 | 42.1% | 9/17 | 52.9% | |