Table 1.
Distribution of adults (n = 9564) according to the mean number of tooth loss. SBBrasil Project, 2010
| Variables | n | % | Percentile | p value | ||
|---|---|---|---|---|---|---|
| 25 | 50 (median) | 75 | ||||
| Intermediary determinants | ||||||
| Socioeconomic position | ||||||
| Declared skin color | ||||||
| White | 4049 | 47.6 | 1.0 | 4.0 | 10.0 | < 0.001** |
| Yellow/Black/Brown/Indigenous | 5515 | 52.4 | 3.0 | 7.0 | 13.0 | |
| Education levels (in years)a* | (SD) = 8.64 (3.93) | < 0.001# | ||||
| Family income (in US dollars)b | ||||||
| > 2557 | 505 | 3.5 | 0.0 | 1.0 | 4.0 | < 0.001† |
| 853–2556 | 2741 | 29.3 | 1.0 | 4.0 | 9.0 | |
| 285–852 | 4687 | 53.4 | 3.0 | 7.0 | 13.0 | |
| ≤ 284 | 1404 | 13.8 | 4.0 | 8.0 | 16.0 | |
| Behavioral & biological factors | ||||||
| Sex | ||||||
| Female | 6287 | 62.3 | 2.0 | 6.0 | 12.0 | < 0.001** |
| Male | 3277 | 37.7 | 2.0 | 5.0 | 11.0 | |
| Age (in years) a | (SD) = 39.39 (3.08) | < 0.001# | ||||
| Perception of the need for treatmentb | ||||||
| Yes | 7360 | 77.0 | 2.0 | 6.0 | 12.0 | < 0.001** |
| No | 1999 | 23.0 | 1.0 | 4.0 | 12.0 | |
| Tooth painb | ||||||
| No | 7151 | 72.8 | 2.0 | 5.0 | 12.0 | < 0.001** |
| Yes | 2344 | 27.2 | 3.0 | 6.0 | 12.0 | |
| Health services | ||||||
| Previous use of dental serviceb | ||||||
| Yes | 8837 | 92.2 | 2.0 | 6.0 | 11.0 | 0.013** |
| No | 672 | 7.8 | 2.0 | 6.0 | 16.0 | |
| Time since the last consultationb | ||||||
| ≤ 1 year | 4446 | 45.4 | 2.0 | 5.0 | 10.0 | < 0.001† |
| > 1 year | 4293 | 46.8 | 2.0 | 6.0 | 13.0 | |
| No previous use of dental service | 672 | 7.8 | 2.0 | 6.0 | 16.0 | |
| Reason for consultationb | ||||||
| Review/prevention | 1910 | 19.4 | 0.0 | 3.0 | 7.0 | < 0.001† |
| Oral health problems | 6893 | 72.8 | 3.0 | 7.0 | 12.0 | |
| No previous use of dental service | 672 | 7.8 | 2.0 | 6.0 | 16.0 | |
| Type of dental serviceb | ||||||
| Public | 5288 | 57.2 | 1.0 | 5.0 | 10.0 | < 0.001† |
| Not public | 3524 | 35.0 | 3.0 | 7.0 | 13.0 | |
| No previous use of dental service | 672 | 7.8 | 2.0 | 6.0 | 16.0 | |
| Satisfaction with dental servicesb | ||||||
| Satisfied | 7373 | 78.4 | 2.0 | 6.0 | 11.0 | < 0.001† |
| Dissatisfied | 1404 | 13.8 | 3.0 | 6.0 | 12.0 | |
| No previous use of dental service | 672 | 7.8 | 2.0 | 6.0 | 16.0 | |
aNumerical variables
bVariation at n = 9,564. Due to loss of information
** P value calculated by the nonparametric Mann-Whitney test
#P value calculated by the Spearman correlation (ƿ)
† P value calculated by the nonparametric Kruskall-Wallis test