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| Title |
Effects of dietary intervention on vitamin B12 status and cognitive level of 18-month-old toddlers in high-poverty areas: a cluster-randomized controlled trial
|
|---|---|
| Published in |
BMC Pediatrics, September 2019
|
| DOI | 10.1186/s12887-019-1716-z |
| Pubmed ID | |
| Authors |
Xiaoyang Sheng, Junli Wang, Feng Li, Fengxiu Ouyang, Jingqiu Ma |
| Abstract |
The local diet in high-poverty areas in China is mainly vegetarian, and children may be more vulnerable to vitamin B12 deficiency. The aims of this study were to explore the vitamin B12 status of toddlers living in high-poverty areas of China and to observe the effects of different complementary foods on the vitamin B12 status and cognitive level of these toddlers. The study was nested within a cluster-randomized controlled trial implemented in 60 administrative villages (clusters) of Xichou County in which infants aged 6 months old were randomized to receive 50 g/d of pork (meat group), an equi-caloric fortified cereal supplement (fortified cereal group) or local cereal supplement (local cereal group) for one year. At 18 months, a subsample of the 180 toddlers (60 from each group) was randomly tested for serum vitamin B12 and total homocysteine (tHcy) levels, and their neurodevelopment was evaluated. The median serum concentrations of vitamin B12 and tHcy were 360.0 pg/mL and 8.2 μmol/L, respectively, in children aged 18 months. Serum vitamin B12 concentrations less than 300 pg/mL were found in 62 (34.4%) children, and concentrations less than 200 pg/mL were found in 30 (16.7%) children. The median vitamin B12 concentration was significantly different among the three groups (P < 0.001). The highest vitamin B12 level was demonstrated in the fortified cereal group (509.5 pg/mL), followed by the meat group (338.0 pg/mL) and the local cereal group (241.0 pg/mL). Vitamin B12 concentration was positively correlated with the cognitive score (P < 0.001) and the fine motor score (P = 0.023) of the Bayley Scales of Infant Development, 3rd Edition (BSID III) screening test. Compared to the local cereal group, children in the meat group had higher cognitive scores (P < 0.05). In poor rural areas of China, vitamin B12 deficiency in toddlers was common due to low dietary vitamin B12 intake. Fortified cereal and meat could help improve the vitamin B12 status of children and might improve their cognitive levels. The larger trial in which this study was nested was registered at clinical trials.gov as NCT00726102 . It was registered on July 31, 2008. |
X Demographics
Geographical breakdown
| Country | Count | As % |
|---|---|---|
| United States | 1 | 4% |
| Netherlands | 1 | 4% |
| United Kingdom | 1 | 4% |
| Unknown | 20 | 87% |
Demographic breakdown
| Type | Count | As % |
|---|---|---|
| Members of the public | 18 | 78% |
| Practitioners (doctors, other healthcare professionals) | 2 | 9% |
| Scientists | 1 | 4% |
| Unknown | 2 | 9% |
Mendeley readers
The data shown below were compiled from readership statistics for 156 Mendeley readers of this research output. Click here to see the associated Mendeley record.
Geographical breakdown
| Country | Count | As % |
|---|---|---|
| Unknown | 156 | 100% |
Demographic breakdown
| Readers by professional status | Count | As % |
|---|---|---|
| Student > Bachelor | 21 | 13% |
| Student > Master | 19 | 12% |
| Researcher | 8 | 5% |
| Lecturer | 7 | 4% |
| Other | 5 | 3% |
| Other | 16 | 10% |
| Unknown | 80 | 51% |
| Readers by discipline | Count | As % |
|---|---|---|
| Nursing and Health Professions | 25 | 16% |
| Medicine and Dentistry | 17 | 11% |
| Agricultural and Biological Sciences | 5 | 3% |
| Biochemistry, Genetics and Molecular Biology | 5 | 3% |
| Neuroscience | 4 | 3% |
| Other | 18 | 12% |
| Unknown | 82 | 53% |
Attention Score in Context
This research output has an Altmetric Attention Score of 17. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 09 August 2024.
All research outputs
#2,335,148
of 26,513,654 outputs
Outputs from BMC Pediatrics
#297
of 3,621 outputs
Outputs of similar age
#45,523
of 354,555 outputs
Outputs of similar age from BMC Pediatrics
#6
of 75 outputs
Altmetric has tracked 26,513,654 research outputs across all sources so far. Compared to these this one has done particularly well and is in the 91st percentile: it's in the top 10% of all research outputs ever tracked by Altmetric.
So far Altmetric has tracked 3,621 research outputs from this source. They typically receive more attention than average, with a mean Attention Score of 8.0. This one has done particularly well, scoring higher than 91% of its peers.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 354,555 tracked outputs that were published within six weeks on either side of this one in any source. This one has done well, scoring higher than 87% of its contemporaries.
We're also able to compare this research output to 75 others from the same source and published within six weeks on either side of this one. This one has done particularly well, scoring higher than 92% of its contemporaries.