Table 5.
Table of included studies
| First author, year | Year survey (if different from publication date) | Age | OH/dentist | Sampling technique | WHO/ICDAS | Area | Urban/rural |
|---|---|---|---|---|---|---|---|
| Booyens (1991) [21] | 1987 | 5 | Unclear | Random Cluster Sampling | WHO 1977 | Pretoria | Urban |
| Brindle (2000) [22] | 2000 | 5–6 | Unclear | Random Cluster Sampling | WHO, III, 1997 | Kwazulu Natal | Rural |
| Chosack (1988) [24] | 1988 | 3–5 | Unclear | Convenience Sampling Technique | WHO 1977 | Unclear | Unclear |
| Chosack (1990) [25] | 1990 | 3–5 | Dental Epidemiologist | Convenience Sampling Technique | WHO 1979 | Gauteng | Urban |
| Cleaton-Jones (1984) [26] | 1981 | 1–5 | Unclear | Convenience Sampling Technique | ?WHO,II,1977 | Gauteng | Rural |
| Cleaton-Jones (1978) [27] | 1978 | 1–5 | Dentist | ?Cluster random Sampling Technique | ?WHO,II,1977 | Gauteng | Urban |
| Cleaton-Jones (1978) [28] | 1978 | 1–5 | Dentist | Convenience Sampling Technique | ?WHO,II,1977 | Gauteng | Urban/Rural |
| Cleaton-Jones (1981) [29] | 1981 | 1–5 | Unclear | Convenience Sampling Technique | ?WHO,II,1977 | Gauteng | Urban |
| Cleaton-Jones (1989) [30] | 1985 | 1–4 | Unclear | Simple random sampling technique | WHO,II, 1977 | Limpopo | Rural |
| Cleaton-Jones (2000) [31] | 1981–1997 | 2–5 | Dentist | Convenience Sampling Technique | WHO, IV, 1997 | Gauteng | Urban |
| Cleaton-Jones (2008) [32] | 1981–2002 | 2–5 | Dentist | Convenience Sampling Technique | Unclear | Gauteng | Urban |
| Du Plessis (2000) [33] | 2000 | 4–5 | Unclear | Convenience Sampling Technique | WHO, 1987 | Rural | Northern Province |
| Gordon (1985) [34] | 1985 | 1–2 | Unclear | Convenience Sampling Technique | ?WHO, 1977 | Western Cape | Urban |
| Gordon (2007) [35] | 2007 | 1–2 | Oral Hygienist | Convenience Sampling Technique | WHO, 1997 | Western Cape | Urban |
| Granath (1991) [36] | 1984 | 4–5 | Unclear | Convenience sampling | WHO II, 1977 | Gauteng | Urban/Rural |
| Granath (1993) [37] | 1984 | 4–5 | Unclear | Simple random sampling technique | WHO II, 1997 | Gauteng | Urban/Rural |
| Khan (1998) [38] | 1998 | 3–5 | Dentist | Convenience sampling | WHO, III | Gauteng | Rural |
| McInnes (1979) [39] | 1978 | 3–5 | Unclear | Convenience Sampling Technique | ?WHO, 1977 | Gauteng | Urban |
| Mndzebele (2014) [40] | 2010 | 2–6 | Unclear | Convenience sampling | WHO, III | Gauteng | Urban |
| Mohamed (2018) [41] | 2016 | 1–5 | Dentist | Convenience sampling | ICDAS | Western Cape Province | Urban |
| Mothupi (2016) [42] | 2013 | 4–6 | Unclear | Stratified Random Sampling | WHO, 1997 | Gauteng | Urban |
| Ntombela (2015) [43] | 2014 | 1–5 | Unclear | simple random stratification | ?WHO, 1997 | Gauteng | Urban |
| Richardson (1978) [44] | 1978 | 1–6 | Dentist | Convenience sampling | WHO, 1971 | Gauteng | Urban/Rural |
| Roberts (1993) [45] | 1993 | 1–4 | Unclear | Convenience sampling | WHO, 1979 | Unclear? Gauteng | ?Urban |
| Thekiso (2012) [46] | 2010 | 4–5 | Oral Health Professional | Cluster randomised sampling | WHO, 1979 | Gauteng | Urban |
| Toi (1999) [47] | 5 | Dentist | Convenience sampling | WHO, 1987 | Gauteng | Urban | |
| Van Wyk (2004) [9] | 1999 | 4–6 | Dentist | Cluster randomised sampling | WHO, IV | National Survey | Urban/Rural |
| Wanjau (2006) [48] | 2006 | 3–5 | Unclear | Cluster randomised sampling | WHO 1997 | Mpumalanga | Rural |
| Williams (1985) [49] | 1981–1983 | 2–5 | Dentist | Convenience Sampling Technique | WHO, 1977 | Gauteng | Urban |