References
- Feinstein A. Clinical judgment. New York: Krieger; 1967.
- Juul Jensen U. Practice and progress. A theory for the modern health care system. London: Blackwell; 1987.
- Pitts N. Diagnostic tools and measurements-impact on appro-priate care. Community Dent Oral Epidemiol 1997;25:24–35.
- World Health Organization, Oral Health Surveys-basic methods. 3rd ed. Geneva: World Health Organization; 1984.
- Fejerskov 0, Thylstrup A. Different concepts of dental caries and their implications. In: Thylstrup A, Fejerskov 0, editors. Textbook of clinical cariology. 2nd ed. Copenhagen: Munks-gaard; 1994. p. 209–17.
- Bjertness E, Eriksen HM. Design of a socio-ecologic caries model and testing on 50-year-old citizens of Oslo, Norway. Acta Odontol Scand 1992;50:151–62.
- Jenny J, Frazier J, Bagramian A, Proshek J. Explaining variability in caries experience using an ecological model. J Dent Res 1974;53:554–64.
- Drake CW, Beck JD. Models for coronal caries and root fragments in an elderly population. Caries Res 1992;26:402–7.
- Blalock H. Causal inferences in non-experimental research. Chapel Hill, NC: University of North Carolina Press; 1964.
- Beck JD. Risk revisited. Community Dent Oral Epidemiol 1998;26:220–5.
- Unell L, Siiderfeldt B, Hailing A, Paulander J, Birkhed D. Oral disease, impairment, and illness: congruence between clinical and questionnaire findings. Acta Odontol Scand 1997;55:127–32.
- Unell L, Siiderfeldt B, Hailing A, Solén G, Paulander J, Birkhed D. Equality in satisfaction, perceived need, and utilization of dental care in a 50-year-old Swedish population. Community Dent Oral Epidemiol 1996;24: 191•5.
- SCB 1982:4. Reports on Statistical Co-ordination, Swedish socioeconomic classification. Stockholm: Statistiska Centralbyra � n; 1982.
- So�derfeldt B, Palmqvist S, Arnbjerg D. Factors affecting attitudes toward dental appearance and dental function in a Swedish population aged 45•69 years. Community Dent Health 1993; 10:123•30.
- Demaris A. Logit modeling. Practical applications. Newbury Park, CA: SAGE; University papers; 1992.
- Lewis-Beck M. Applied regression�an introduction. Beverly Hills: SAGE University papers; 1980.
- Manji F, Fejerskov O. An epidemiological approach to dental caries. In: Thylstrup A, Fejerskov O, editors. Textbook of clinical cariology. 2nd ed. Copenhagen: Munksgaard; 1994. p. 159•91.
- Unell L, So� derfeldt B, Halling J, Birkhed D. Explanatory models for oral health expressed as number of remaining teeth in an adult population. Community Dent Health 1998;15:155•61.
- Spector P. Method variance as an artifact in self-reported affect and perceptions at work: myth or significant problem? J Appl Psychol 1987;72:438•43.