Table 2.
Summary of intervention approaches used and the outcomes measured by studies included in the review
| Author | Type of study | Level of evidence | Site | Nature of intervention | Outcomes |
|---|---|---|---|---|---|
| Education | |||||
| Bhandari et al. (2004) | Efficacy | 1+ | India | Health and nutrition workers in intervention communities were trained to counsel mothers at home, clinics and hospitals. | Growth |
| Duration: 18 months | |||||
| Hotz & Gibson (2005) | Efficacy | 2++ | Malawi | Mothers received education on food preparation, food diversity and use of amylase rich flour. | Fe/Zn intake |
| Duration: 2 months | |||||
| Kapur et al. (2003) | Efficacy | 1+ | India | Trained health workers delivered nutrition education to mothers, and/or children received 20 mg of elemental Fe per week. | Fe status/intake |
| Duration: 4 months | |||||
| Penny et al. (2005) | Efficacy | 1+ | Peru | Health staff received education in counselling and anthropometry; high‐performing facilities were accredited. | Growth; Fe/Zn intake |
| Duration: 18 months | |||||
| Santos et al. (2001) | Efficacy | 1+ | Brazil | Health‐care providers were trained to deliver educational messages on food preparation and infant feeding to mothers. | Growth, Fe/Zn intake |
| Duration: 6 months | |||||
| Vitolo et al. (2005) | Efficacy | 1+ | Brazil | Mothers received educational guidelines for infant and child feeding from birth to 1 year post‐partum through home visits. | Growth, morbidity |
| Duration: 12 months | |||||
| Guldan et al. (2000) | Programme | 2+ | China | Trained nutrition educators provided growth monitoring and counselling in intervention areas. | Growth, Fe status |
| Duration: 4–12 months | |||||
| Guyon et al. (2006) | Programme | 2+ | Madagascar | The Essential Nutrition Action programme was implemented that had several components including Behavior Change Communication (BCC) for mothers, health staff and community workers. | Growth |
| Duration: Intervention was in operation for 5 years at the time of evaluation | |||||
| Kilaru et al. (2005) | Programme | 2+ | India | Trained field workers educated mothers on food preparation and infant feeding. | Growth |
| Duration: 7–12 months | |||||
| Maluccio & Flores (2004) | Programme | 1++ | Nicaragua | Mothers received education, health services and cash transfer in a government programme. | Growth, Fe status |
| Duration: 24 months | |||||
| Food alone | |||||
| Beckett et al. (2000) | Efficacy | 1+ | Indonesia | Children received milk product with different energy contents with or without micronutrients. | Growth, development |
| Duration: 6–12 months | |||||
| Kuusipalo et al. (2006) | Efficacy | 1+ | Malawi | Malnourished children received fortified food in the form of milk‐ or soy‐based spread. | Growth, Fe status |
| Duration: 3 months | |||||
| Obatolu (2003) | Efficacy | 1+ | Nigeria | Infants received extruded malted maize/malted cowpea/crayfish/corn oil blend. | Growth |
| Duration: 14 months | |||||
| Oelofse et al. (2003) | Efficacy | 1− | South Africa | Children received centrally processed, fortified CF. | Growth, Fe/Zn/vitamin A status, development |
| Duration: 6 months | |||||
| Santos et al. (2005) | Programme | 2+ | Brazil | Malnourished children received dry milk and cooking oil under government programme. | Growth, Fe/Zn/vitamin A intake |
| Duration: 6 months | |||||
| Food + education | |||||
| Bhandari et al. (2001) | Efficacy | 1+ | India | Subjects received nutrition education, or education plus fortified milk/cereal food. | Growth, morbidity |
| Duration: 8 months. | |||||
| Roy et al. (2005) | Efficacy | 1+ | Bangladesh | Subjects received nutrition education, or education plus supplemental feeding. | Growth, morbidity |
| Duration: 3 months. | |||||
| Gartner et al. (2007) | Programme | 2+ | Senegal | Peri‐urban children received flour mix from local ingredients; mothers received nutrition education. | Growth |
| Duration: 6 months | |||||
| Hossain et al. (2005b) | Programme | 2++ | Bangladesh | Mothers received education on infant feeding, malnourished children received food through government programme. | Growth |
| Duration: At the time of study, the project had been in operation for 6 years | |||||
| Lutter et al. (2006) | Programme | 2+ | Ecuador | Fortified food for children (Mi Papilla) and nutrition education for their families and health workers in intervention areas. | Growth, Fe/Zn/vitamin A intake and status |
| Duration: 11 months | |||||
| López de Romaña (2000) | Programme | 2+ | Peru | Fortified food (Ali Alimentu) for children, nutrition education for mothers. | Growth, Fe/vitamin A status |
| Duration: 12 months | |||||
| Rivera et al. (2004) | Programme | 1+ | Mexico | Children/mothers received fortified food and health services, family received cash transfers. | Growth, Fe status |
| Duration: 24 months | |||||
| Schroeder et al. (2002) | Programme | 1+ | Vietnam | Mothers received education on infant feeding, malnourished children received extra food. | Growth, morbidity |
| Duration: 6 months | |||||
| Fortification | |||||
| Adu‐Afarwuah et al. (2007); Adu‐Afarwuah et al. (in press) | Efficacy | 1++ | Ghana | Children received added micronutrients through home fortification; one group received extra energy through fortified fat‐based spread. | Growth, motor development, morbidity, Fe status |
| Duration: 6 months | |||||
| Dhingra et al. (2004); Sazawal et al. (2007) | Efficacy | 1++ | India | Children received added micronutrients in a milk supplement. | Growth, morbidity, Fe status, development |
| Duration: 12 months | |||||
| Faber et al. (2005) | Efficacy | 1+ | South Africa | Children received added micronutrients through centrally processed CF. | Growth; Fe/vitamin A/Zn status |
| Duration: 6 months | |||||
| Giovannini et al. (2006) | Efficacy | 1++ | Cambodia | Children received added micronutrients through home fortification with Sprinkles™. | Growth, Fe status |
| Duration: 12 months | |||||
| Javaid et al. (1991) | Efficacy | 1+ | Pakistan | Children received milk cereal fortified with Fe using Fe fumarate or Fe pyrophosphate. | Growth, Fe status, morbidity |
| Duration: 8 months | |||||
| Lartey et al. (1999) | Efficacy | 1++ | Ghana | Children received various blends of cereal, legume and/or fish with or without added micronutrients. | Growth, Fe/Zn/vitamin A intake and status, morbidity |
| Duration: 6 months | |||||
| Schumann et al. (2005) | Efficacy | 1++ | Guatemala | Children received black beans fortified with haem from bovine blood or inorganic FeSO4 5 days week−1. | Fe status |
| Duration: 2.5 months | |||||
| Sharieff et al. (2006) | Efficacy | 1+ | Pakistan | Infants received Sprinkles™ added to complementary foods daily. | Fe status, morbidity |
| Duration: 2 months | |||||
| Smuts et al. (2005) | Efficacy | 1++ | South Africa | Children received added micronutrients through home fortification with foodlet. | Growth, Fe/Zn/vitamin A status, morbidity |
| Duration: 6 months | |||||
| Villalpando et al. (2006) | Efficacy | 1++ | Mexico | Children received added micronutrients in milk product. | Fe intake, Fe/Zn status |
| Duration: 6 months | |||||
| Walter et al. (1993) | Efficacy | 1+ | Chile | Children received fortified (electrolytic Fe 55 mg per 100 g of dry power) rice cereal daily. | Fe status |
| Duration: 11 months | |||||
| Zlotkin et al. (2003) | Efficacy | 1+ | Ghana | Children received Sprinkles™ containing Fe (microencapsulated Fe fumarate) alone or Fe + vitamin A. | Fe status |
| Duration: 6 months | |||||
| Menon et al. (2007) | Programme | 1+ | Haiti | Children receiving food assistance (fortified wheat/soy blend) were given Sprinkles™. | Fe status |
| Duration: 2 months | |||||
| World Vision Mongolia (2005) | Programme | 2+ | Mongolia | Children 6–35 months of age received Sprinkles™ with Fe and vitamin D. Other components of the Nutrition Program included the promotion of breastfeeding and consumption of nutrient (Fe)‐rich foods, and increasing nutrition knowledge and capacity in health facilities and communities. | Fe status |
| Duration: Average of 13 months | |||||
| Increased energy density | |||||
| Hossain et al. (2005a) | Efficacy | 1− | Bangladesh | Children received CF with amylase (ARF). | Growth |
| Duration: 1.5 months | |||||
| John & Gopaldas (1993) | Efficacy | 1+ | India | Children received wheat gruel with amylase. | Growth |
| Duration: 6 months | |||||
| Mamiro et al. (2004) | Efficacy | 1+ | Tanzania | Cereal & legume in CF were processed (soak/germinate/roast) to increase energy density & Fe solubility and reduce phytate. | Growth, Fe status/intake |
| Duration: 6 months | |||||
| Moursi et al. (2003) | Efficacy | 1+ | Congo | Children received processed cereal/legume blend with amylase (industrial). | Growth, morbidity |
| Duration: 3.5 months | |||||
| Owino et al. (2007) | Efficacy | 1+ | Zambia | Children received processed cereal/legume blend with or without amylase. | Growth, Fe status |
| Duration: 3 months | |||||
ARF, amylase‐rich flour; CF, complementary food; 1++, randomized controlled trials with very low risk of bias; 1+, randomized controlled trials with low risk of bias; 1−, randomized controlled trials with high risk of bias; 2++, non‐randomized trials with very low risk of confounding; 2+, non‐randomized trials with low risk of confounding.