Research Article
Prevalence of Painful Temporomandibular Disorders and Correlation to Lifestyle Factors among Adolescents in Norway
Table 1
The frequency of different variables in the case group (TMD-P) versus control group.
| | Variable | Case group, % | Control group, % | value (χ2) |
| | General health factors | | | | | Facial trauma | 0 | 2.3 | 0.239 | | Whiplash injury | 2.4 | 0.8 | 0.477 | | Frequent headache | 43.9 | 19.3 | <0.00 | | Severe menstrual pain () | 41.5 | 17.0 | | | General joint hypermobility | 2.0 | 1.0 | 0.597 | | General joint disease | 2.8 | 1.5 | 0.173 | | Sinusitis | 7.7 | 1.5 | 0.090 | | Ear infections | 5.1 | 4.8 | 0.890 | | Throat infections | 5.1 | 3.1 | 0.673 | | Allergy | 33.3 | 34.7 | 0.859 | | Asthma | 15.8 | 8.9 | 0.158 | | Previous orthodontic treatment | 29.0 | 26.0 | 0.623 | | Lifestyle and social factors | | | | | >3 h in front of computer per day | 30.7 | 26.9 | 0.606 | | Divorced or single parents | 51.3 | 30.1 | | | Regular exercise | 56 | 73.5 | |
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significant based on the Pearson chi-square test.
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