Table 1 Characteristics of studies analyzed
From: Quantitative data collection approaches in subject-reported oral health research: a scoping review
| Â | Number of studies (n) | Percentage (%) |
|---|---|---|
Type of study | ||
 Peer-reviewed Articles | 238 | 99.6 |
 Preprint Papers | 1 | 0.4 |
Publication year | ||
 2011–2012 | 32 | 13.4 |
 2013–2014 | 42 | 17.6 |
 2015–2016 | 39 | 16.3 |
 2017–2018 | 52 | 21.8 |
 2019–2020 | 50 | 20.9 |
 2021 (up to September) | 24 | 10.0 |
Journal type | ||
 Dental Journal | 132 | 55.2 |
 Non-Dental Journal | 107 | 44.8 |
Region | ||
 APAC: Asia/Pacific (including the Middle East) | 94 | 39.3 |
 EUR: Europe | 59 | 24.7 |
 LATAM: Latin America | 56 | 23.4 |
 NA: North America | 20 | 8.4 |
 AFR: Africa | 10 | 4.2 |
Data collection start year | ||
 Before–2005 | 3 | 1.3 |
 2006–2010 | 55 | 23.0 |
 2011–2015 | 62 | 25.9 |
 2016–2020 | 50 | 20.9 |
 Missing | 69 | 28.9 |
Data collection methods | ||
 In-Person | 206 | 86.2 |
 Mail-in | 15 | 6.3 |
 Internet-based | 6 | 2.5 |
 Telephone | 3 | 1.3 |
 Mixed | 9 | 3.8 |
State of health | ||
 General health | 163 | 68.2 |
 Medical problem | 47 | 19.7 |
 Dental problem | 29 | 12.1 |
Recruitment sources | ||
 Direct recruitment | 157 | 65.7 |
 Community-based | 39 | 16.3 |
 Database | 30 | 12.6 |
 Hardcopy advertisements | 4 | 1.7 |
 Web-based advertisements | 1 | 0.4 |
 Mixed | 7 | 2.9 |
 Others | 1 | 0.4 |
Sampling methods1 | ||
 Convenience sampling [NP] | 124 | 51.9 |
 Simple random sampling [P] | 29 | 12.1 |
 Stratified sampling [P] | 28 | 11.7 |
 Cluster sampling [P] | 21 | 8.8 |
 Purposive sampling [NP] | 8 | 3.3 |
 Consecutive sampling [NP] | 7 | 2.9 |
 Systematic sampling [P] | 6 | 2.5 |
 Snowball sampling [NP] | 3 | 1.3 |
 Mixed (more than 1 method used) | 9 | 3.8 |
 Other/no sampling methods | 4 | 1.7 |
Report type | ||
 Self-reported | 193 | 80.8 |
 Proxy | 19 | 7.9 |
 Both | 27 | 11.3 |
Use of assistive devices/tools or data sources | ||
 Clinical dental exam | 129 | 54.0 |
 Medical or dental records | 9 | 3.8 |
 Public database (national surveys) | 3 | 1.3 |
 Mixed: exams and records | 12 | 5.0 |
 Mixed: exams and public database | 2 | 0.8 |
 Others | 8 | 3.3 |
 None | 76 | 31.8 |