Table 1.
Data Collection Waves in the Cohort Studies.
| Country: Name of the Study | Enrollment | General Follow-up Assessments |
|---|---|---|
| Australia | ||
| Queensland Birth Cohort Study | Birth (2007) | 6, 12, 24, 36, 48 mo; 5, 6, 7, 12 y |
| SMILE: Study of Mothers’ and Infants’ Life Events Affecting Oral Health | Birth (2013/2014) | 3, 6, 12, 24 mo; 5 y |
| Brazil | ||
| 1982 Pelotas Birth Cohort Study | Birth (1982) | 12, 24, 48 mo; 13, 15, 18, 19, 23, 24, 30, 31 y a |
| 1993 Pelotas Birth Cohort Study | Birth (1993) | 1, 3, 6, 12 mo; 4, 6, 9, 11, 12 to 13, 15, 18, 22 y |
| 2004 Pelotas Birth Cohort Study | Birth (2004) | 3, 12, 24, 48 mo; 5, 6, 12, 13 y |
| 2015 Pelotas Birth Cohort Study | Pregnancy (2015) | Antenatal, perinatal; 3, 12, 24, 48 mo |
| Porto Alegre Early Life Nutrition and Health Study | Pregnancy (2008) | 6, 12, 38 mo; 6 y |
| Sao Leopoldo Birth Cohort Study | Birth (2001/2002) | 6 mo; 1, 4, 8,12 y |
| Hong Kong: Hong Kong Children of 1997 | Birth (1997) | 3, 9, 12 mo; annually until 2019 |
| Germany: Jena Birth Cohort Study | Birth (2009/2010) | 9 mo; 3, 5, 8 y |
| New Zealand: The Dunedin Multidisciplinary Health and Development Study | Birth (1972/1973) | 3, 5, 7, 9, 11, 13, 15, 18, 21, 26, 32, 38, 45 y |
| Thailand: The Prospective Cohort Study of Thai Children–Khon Kaen Site | Pregnancy (2000) | 21 d; 3, 6, 12, 18, 24, 30 mo |
| Uganda: PROMISE-EBF studyb | Pregnancy (2006) | 3, 6, 12, 24 wk; 2 and 5 y |
| USA | ||
| Caries Risk Study–US | 9/15 mo (2012) | Every 4 mo up to age 4 y, then starting at age 6.5 y again every 4 mo |
| IFS: The Iowa Fluoride Study | Birth (1992) | 5, 9, 11, 13, 15, 17, 19, 23 y and 3- to 6-mo intervals throughout the study period |
a
Mean ages.
b
The PROMISE-EBF study was set up as a cluster study in 4 African countries (Burkina Faso, Uganda, Zambia, and South Africa).