@article{fdi:010060380, title = {{H}ypovitaminosis {D} and mild hypocalcaemia are highly prevalent among young {V}ietnamese children and women and related to low dietary intake}, author = {{L}aillou, {A}. and {W}ieringa, {F}ranck and {T}ran, {T}. {N}. and {V}an, {P}. {T}. and {L}e, {B}. {M}. and {F}ortin, {S}onia and {L}e, {T}. {H}. and {P}fanner, {R}. {M}. and {B}erger, {J}acques}, editor = {}, language = {{ENG}}, abstract = {{I}ntroduction: {I}n many developing countries including {V}ietnam, data are lacking on vitamin {D} and calcium deficiencies whereas those deficiencies can play an important role in the development of bone health and possibly non-communicable diseases. {T}he purpose of this study was to determine the overall prevalence of vitamin {D} and calcium deficiencies in women and young children and their nutritional related risk factors. {M}ethods: {A} cross-sectional study conducted among 595 women of reproductive age and 532 children,5 years from 19 provinces of {V}ietnam. {F}or each individual, data concerning daily diet, socioeconomic group, anthropometric status were obtained, and plasma concentrations of calcium and vitamin {D} were measured. {R}esults: {T}he prevalence of hypovitaminosis {D} status was very high, with the prevalence of vitamin {D} deficiency (25({OH}) {D}, 30 nmol/{L}) and insufficiency (25({OH}) {D} between 30-49.9 nmol/{L}) being 17% and 40% in women and 21% and 37% in children, respectively. {U}sing more liberal cut-off of 75 nmol/{L}, approximately 90% of the women and children were classified as having hypovitaminosis {D}. {O}verweight/obese women had a 2 times lower risk ({OR} = 0.46, [0.24-0.90]) for vitamin {D} deficiency than non-overweight and non-obese women. {N}o participant had severe calcium deficiency but moderate and mild hypocalcaemia (plasma calcium concentrations between 1.15-0.9 mmol/{L} for mild deficiency and between 0.9-0.8 mmol/{L} for moderate deficiency) affected respectively 14% and 83% of the women with 97% of the children having mild hypocalcaemia. {W}omen and children consumed about 1% of the {I}nstitute of {M}edicine ({IOM}) recommended nutrient intake ({RNI}) for vitamin {D} and less than 43% of the {RNI} for calcium. {C}onclusion: {O}ur study suggests that calcium and vitamin {D} deficiencies represent a major public health concern in {V}ietnam. {T}hus, actions to improve the vitamin {D} and calcium status of the {V}ietnamese population should be considered.}, keywords = {{VIET} {NAM}}, booktitle = {}, journal = {{P}los {O}ne}, volume = {8}, numero = {5}, pages = {e63979}, ISSN = {1932-6203}, year = {2013}, DOI = {10.1371/journal.pone.0063979}, URL = {https://www.documentation.ird.fr/hor/fdi:010060380}, }