Evaluation | Effect | Average Age | Observations | Experimental Evaluation | Country | Intervention |
---|---|---|---|---|---|---|
Olds 2004 | 57 | 0 | 641 | Yes | United States | Home visits by nurses from pregnancy until child is 2 years |
Sierau 2016 | -21 | 0 | 346 | Yes | Germany | Home visits of mothers by midwives and social workers |