Table 1. Descriptive characteristics of the articles included (n=13).
| References | Local (year of collection) | Sampling technique | Sample size (% of girls) | Age group (years) |
|---|---|---|---|---|
| Aguilar-Farías et al. 18 | Temuco, Chile (nd) | Randomized | 25 (52) | 4-5 |
| Barbosa et al. 19 | Londrina, Brazil (2015) | Randomized | 370 (50) | 4-6 |
| Barro et al. 30 | Olinda, Brazil (2004) | Randomized | 265 (54) | 4-6 |
| Bielemann et al. 20 | Pelotas, Brazil (2015) | Randomized | 59 (nd) | 4-5 |
| Cano Cappelacci et al. 21 | Metropolitan Area of Chile (nd) | nd | 29 (57) | 5 |
| Cremm et al. 22 | Santos, Brazil (nd) | Randomized | 302 (48) | <6 |
| Godard et al. 23 | Santiago, Chile (2006) | Convenience | 109 (nd) | 4-10 |
| Lima et. al. 24 a | Recife, Brazil (2010) | Randomized | 176 (nd) | 3-5 |
| Melo et al. 26 a | 1,020 (49) | |||
| Lopez and Llanos; Diaz 25 | Talca, Chile (nd) | Convenience | 45 (44) | 3-6 |
| Roda et al. 27 | Merlo, Argentina (2014) | All child development centers of the city | 183 parents (nd) | 1-5 |
| Vásquez and Salazar 28 b | Santiago, Chile (nd) | Convenience | 24 (50)c | 3-5 |
| Vásquez et al. 29 b |
aBelong to the study ELOS-Pré; bbelong to the same study; nd: not described.