Skip to main content
. 2020 Jul 19;23(2):373–388. doi: 10.1007/s10903-020-01056-9

Table 1.

Summary of general characteristics of the studies

Countries n Overall aims addressed Ethnicity Population characteristics* Sampling methodology Study design

United Kingdom

(n = 29)

Clinically examined oral health status (n = 14)

 Dental caries (n = 11)

 Periodontal diseases (n = 2)

 Oral cancer, including oral lesions (n = 2)

 Orthodontic (n = 2)

 Cleft problems (n = 1)

Self-reported oral health (n = 5)

Oral health behaviours (n = 12)

 Tooth brushing, dietary practices (n = 4)

 Smoking, alcohol consumption (n = 9)

 Oral health knowledge (n = 2)

 Oral cancer awareness (n = 4)

Oral health care utilisation (n = 6)

 Dental attendance (n = 6)

 Barriers (n = 2)

Method of recording ethnicity

 Self-assessed (n = 15)

 Official records (n = 8)

 Visual method (n = 2)

 Not clear (n = 4)

Categorization of ethnicity

 Black and ethnic minority group BME: (n = 21)

 Immigrants/ migrants (n = 1)

 One particular ethnic groups such as South Asians or Turkish or Chinese (n = 7)

Children: 0–12 years (n = 11)

Adolescents: 12–16 years (n = 4)

Adults: 16 years and above (n = 7)

Convenience (n = 13)

Random (n = 10)

Secondary data (n = 4)

Not clear (n = 2)

Cross sectional, comparisons with host population made (n = 11)

Cross sectional, no comparisons with made (n = 5)

Cross sectional, only intra ethnic comparisons made (n = 6)

Cross sectional, registry based (n = 3)

Cross sectional, intra ethnic comparisons and comparisons with host population made (n = 4)

Germany

(n = 10)

Clinically examined oral health status (n = 6)

 Dental caries (n = 6)

 Periodontal diseases (n = 1)

 Orthodontic (n = 1)

 Use of sealants (n = 3)

Oral health behaviours (n = 3)

 Tooth brushing, dietary practices (n = 2)

 Oral health knowledge (n = 1)

Oral health care utilisation (n = 6)

 Dental attendance (n = 6)

 Barriers (n = 2)

Method of recording ethnicity

 Self-assessed (n = 3)

 Official records (n = 1)

 Not clear (n = 6)

Categorization of ethnicity

 Immigrants (n = 9)

 Turkish (n = 1)

Children: 0–12 years (n = 4)

Adolescents: 12–16 years (n = 4)

Adults: 16 years and above (n = 5)

Convenience (n = 3)

Random (n = 2)

Secondary data (n = 2)

Not clear (n = 2)

All included (n = 1)

Cross sectional, comparisons with host population made (n = 7)

Cross sectional, registry based (n = 2)

Longitudinal study, comparisons with host population made (n = 1)

Sweden

(n = 9)

Clinically examined oral health status (n = 9)

 Dental caries (n = 6)

 Oral cancer (n = 1)

Self-reported oral health (n = 2)

Oral health behaviours (n = 5)

 Tooth brushing, dietary practices (n = 5)

 Oral health knowledge (n = 2)

Oral health care utilisation (n = 3)

 Dental attendance (n = 3)

 Barriers (n = 1)

Method of recording ethnicity

 Self-assessed (n = 5)

 Official records (n = 2)

 Not clear (n = 2)

Categorisation of ethnicity

 Immigrants/migrants (n = 9)

Children: 0–12 years (n = 5)

Adolescents: 12–16 years (n = 4)Adults: 16 years and above (n = 4)

Convenience (n = 2)

Random (n = 5)

Registry based (n = 2)

Cross sectional, comparisons with host population made (n = 6)

Cross sectional, no comparisons with host population (n = 1)

Longitudinal registry based, comparisons with host population made (n = 1)

Cross sectional, registry based (n = 1)

Italy

(n = 5)

Clinically examined oral health status (n = 4)

 Dental caries (n = 4)

Oral health behaviours (n = 1)

 Smoking, alcohol consumption (n = 1)

Method of recording ethnicity

 Self-assessed (n = 4)

 Not clear (n = 1)

Categorisation of ethnicity

 Immigrants/migrants (n = 4)

 Non-westerns/foreigners (n = 1)

Children: 0–12 years (n = 4)

Adults: 16 years and above ( n = 1)

Convenience (n = 1)

Random (n = 3)

Not clear ( n = 1)

Cross sectional, comparisons with host population (n = 4)

Cross sectional, only intra ethnic comparisons made (n = 1)

Norway

(n = 5)

Clinically examined oral health status: (n = 4)

 Dental caries (n = 4)

Oral health behaviours (n = 4)

 Tooth brushing, dietary practices (n = 4)

 Oral health knowledge (n = 3)

Method of recording ethnicity

 Self-assessed (n = 4)

 Not clear (n = 1)

Categorisation of ethnicity

 Immigrants/migrants (n = 5)

Parents of children aged 3–5 years (n = 5)

Convenience (n = 3)

Random (n = 2)

Cross sectional, comparisons with host population (n = 2)

Cross sectional, follow up (n = 3)

Spain

(n = 4)

Clinically examined oral health status (n = 4)

 Dental caries (n = 3)

 Periodontal diseases (n = 1)

Self-reported oral health (n = 1)

Oral health behaviours (n = 1)

 Tooth brushing, dietary practices (n = 1)

Oral health care utilisation (n = 1)

 Dental attendance (n = 1)

Method of recording ethnicity

 Self-assessed (n = 4)

Categorisation of ethnicity

 Immigrants/migrants (n = 4)

Children: 0–12 years (n = 2)

Adolescents: 12–16 years (n = 3)

Adults: 16 years and above ( n = 1)

Convenience (n = 1)

Random (n = 2)

Registry based (n = 1)

Cross sectional, comparisons with host population (n = 3)

Cross sectional, registry based (n = 1)

The Netherlands

(n = 2)

Clinically examined oral health status (n = 1)

 Dental caries (n = 1)

Oral health behaviours (n = 1)

 Tooth brushing, dietary practices (n = 1)

 Oral health knowledge (n = 1)

Method of recording ethnicity

 Self-assessed (n = 2)

Categorisation of ethnicity

 Non-Dutch (n = 1)

 Moroccan/Turkish (n = 1)

Children: 0–12 years (n = 2)

Convenience (n = 1)

Total population taken (n = 1)

Cross sectional, comparisons with host population (n = 1)

Cross sectional: case–control study, comparisons with host population made (n = 1)

Denmark

(n = 2)

Clinically examined oral health status (n = 2)

 Dental caries (n = 2)

Oral health behaviours (n = 1)

 Tooth brushing, dietary practices (n = 1)

 Oral health knowledge (n = 1)

Method of recording ethnicity

 Self-assessed (n = 1)

 Official records (n = 1)

Categorisation of ethnicity

 Immigrants/migrants (n = 1)

Children: 0–12 years (n = 2)

Adolescents: 12–16 years (n = 2)

Convenience (n = 1)

Registry based (n = 1)

Cross sectional, comparisons with host population (n = 1)

Cross sectional, registry based (n = 1)

Greece

(n = 2)

Clinically examined oral health status (n = 2)

 Dental caries (n = 2)

Method of recording ethnicity

 Official records (n = 2)

Categorisation of ethnicity

 Immigrants/migrants (n = 1)

 Non-Greek (n = 1)

Children: 0–12 years (n = 2) Random (n = 2) Cross sectional, comparisons with host population (n = 2)

Austria

(n = 1)

Clinically examined oral health status (n = 1)

 Dental caries (n = 1)

Method of recording ethnicity

 Self-assessed (n = 1)

Categorisation of ethnicity

 Immigrants/migrants (n = 1)

Children: 0–12 years (n = 1) Random (n = 1) Cross sectional, comparisons with host population (n = 1)

n total number of studies

*Overlap due to multiple methods used in these studies