Research Article
A Preliminary Genome-Wide Association Study of Pain-Related Fear: Implications for Orofacial Pain
Table 1
Demographic characteristics of study sample.
| | | Mean/N | Std. deviation/% |
| | Age (years) | 32.2 | 11.0 | | Sex | | | | Men | 383 | 38.7% | | Women | 607 | 61.3% | | Race/ethnicity | | | | Caucasian | 1,367 | 86.5% | | African American | 159 | 10.0% | | Hispanic | 13 | 0.8% | | Native American/Asian/other | 23 | 1.4% | | Missing | 21 | 1.3% | | Income | | | | Less than $10,000 USD | 251 | 25.5% | | $10,000 to $14,999 | 202 | 20.4% | | $15,000 to $24,999 | 182 | 18.4% | | $25,000 to $34,999 | 115 | 11.6% | | $35,000 to $49,999 | 130 | 13.1% | | $50,000 to $74,999 | 52 | 5.3% | | $75,000 to $99,999 | 37 | 3.7% | | $100,000 to $149,999 | 11 | 1.1% | | $150,000 to $199,999 | 2 | 0.2% | | $200,000 or more | 8 | 0.8% | | Education | | | | No high school diploma | 264 | 26.7% | | High school diploma/GED | 371 | 37.5% | | Technical school | 115 | 11.6% | | Some college, no degree | 105 | 10.6% | | Undergraduate degree | 84 | 8.5% | | Graduate degree | 51 | 5.2% | | Fear of pain | | | | Total score | 23.6 | 8.1 | | Fear of minor pain | 6.0 | 2.5 | | Fear of severe pain | 9.8 | 3.7 | | Fear of medical/dental pain | 7.7 | 3.3 |
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