Jorge Ivan Martinez
Biographic Data
| ID | 4307555 |
|---|---|
| NAME | Jorge Ivan Martinez |
| GIVEN NAMES | Jorge Ivan |
| FAMILY NAME | Martinez |
| SIGNATURE | MARTÍNEZ J I |
| AFFILIATIONS | Consejo Nacional de Investigaciones Científicas y Técnicas |
| ORCID | 0000-0001-9051-5451 |
| VERIFIED | Yes |
| TOTAL WORKS | 9 |
| TOTAL CITATIONS | 13 |
| AUTHOR COUNT | 9 |
| EDITOR COUNT | 0 |
| FIRST PUBLICATION YEAR | 2006 |
| LATEST PUBLICATION YEAR | 2025 |
| H-INDEX | 1 |
Body Composition and Geographical Altitude in Newborns From the Province of Jujuy (Argentina)
Aim Knowledge of neonatal body composition in high‐altitude populations is insufficient. To estimate Fat Mass (FM), Fat Free Mass (FFM), and Body Fat percentage (BF%) in Jujuy newborns (NB) using the weight/length (W/L) ratio and its relationship with maternal, fetal, and environmental characteristics. Method Data were obtained from 47 598 mother/child pairs recorded in the Jujuy Perinatal Information System (SIP) between 2009 and 2014, including…
Height variation in Argentina and its socioeconomic dimensions in adults born between 1971-2000 surveyed from the National Risk Factor Survey 2018
Human height is a variable trait that is highly heritable and sensitive to socioeconomic constraints within and between populations. The aim of this work is to describe and characterize adult height in Argentina according to socioeconomic indicators, considering their influence on the geographical distribution of the trait, and to evaluate the impact of these socioeconomic characteristics at two points during ontogeny. This study analyzed 15,840 …
Somatotype altitudinal variation and its relationship with the nutritional status of children in the Jujuy province, Argentina
Jujenean children show differential body patterns across geographic altitude which exhibit age and sex variations. Children have a differential tendency to a fat mass gain. The BMI showed some inconsistencies with somatotype, leading to a misclassification of the child nutritional status, this highlights the importance of not to treat the BMI in isolation but with other determinants of the health status
Chilean reference of length at birth
BACKGROUND: To generate a reference of length at birth (LB) according to sex and gestational age (GA) of the Chilean population. METHODS: This cross-sectional observational study used public pooled Chilean newborn (NB) population data registered by the Civil Registry and Identification Service in Chile from 2000 to 2016. Multiple births, entries without information for LB, GA, and sex, and birth lengths 4SD, were excluded. After applying the sele…
Birth Size and Maternal, Social, and Environmental Factors in the Province of Jujuy, Argentina
the distribution of birth size and the factors related to its variability in Jujuy are found to be strongly conditioned by provincial terrain and the clinal variation due to its Andean location
Newborn anthropometry, maternal capital, and altitude in the highland population from the province of Jujuy, Argentina
OBJECTIVE: To analyze variability in newborn (NB) anthropometry among Jujenean NBs as a function of geographic altitude (500 m to ≈4000 masl), maternal anthropometry and other maternal characteristics within the maternal capital framework. MATERIALS AND METHODS: Data obtained from 41,371 mother/child pairs recorded in the Jujuy Perinatal Information System (SIP) between 2009 and 2014, including: NB and maternal weight, length/height and BMI; gest…
Proportionality indices, geographic altitude, and gestational age in newborns from Jujuy, Argentina
The HL sample of term NBs had lower values for all PRIs compared to their LL counterparts. In both altitude zones, the BMI is the preferred PRI to evaluate the nutritional status
Variación de la masa corporal grasa por antropometría y bioimpedancia en escolares jujeños
El objetivo del presente artículo es comparar distintos métodos de cálculo del porcentaje de grasa corporal (%GC) por antropometría y bioimpedancia (BIA) en una población infanto-juvenil jujeña y analizar la variación de la masa grasa (MG), masa magra (MM) y de los índices de masa grasa (IMG) y masa magra (IMM). Se realizó un estudio transversal en 232 escolares de 12 a 17 años de la ciudad de San Salvador de Jujuy. Se relevaron datos de talla, p…
The Demography of Latin America and the Caribbean since 1950
1. A region of great diversity Behind its apparent uniformity, the region comprising Latin America and the Caribbean is extremely diverse, reflecting a long history of human settlement. The massive inflow of migrants from Europe and Africa during the
The Demography of Latin America and the Caribbean since 1950
1. A region of great diversity Behind its apparent uniformity, the region comprising Latin America and the Caribbean is extremely diverse, reflecting a long history of human settlement. The massive inflow of migrants from Europe and Africa during the
The Demography of Latin America and the Caribbean since 1950
1. A region of great diversity Behind its apparent uniformity, the region comprising Latin America and the Caribbean is extremely diverse, reflecting a long history of human settlement. The massive inflow of migrants from Europe and Africa during the
Variación de la masa corporal grasa por antropometría y bioimpedancia en escolares jujeños
El objetivo del presente artículo es comparar distintos métodos de cálculo del porcentaje de grasa corporal (%GC) por antropometría y bioimpedancia (BIA) en una población infanto-juvenil jujeña y analizar la variación de la masa grasa (MG), masa magra (MM) y de los índices de masa grasa (IMG) y masa magra (IMM). Se realizó un estudio transversal en 232 escolares de 12 a 17 años de la ciudad de San Salvador de Jujuy. Se relevaron datos de talla, p…
Proportionality indices, geographic altitude, and gestational age in newborns from Jujuy, Argentina
The HL sample of term NBs had lower values for all PRIs compared to their LL counterparts. In both altitude zones, the BMI is the preferred PRI to evaluate the nutritional status
Newborn anthropometry, maternal capital, and altitude in the highland population from the province of Jujuy, Argentina
OBJECTIVE: To analyze variability in newborn (NB) anthropometry among Jujenean NBs as a function of geographic altitude (500 m to ≈4000 masl), maternal anthropometry and other maternal characteristics within the maternal capital framework. MATERIALS AND METHODS: Data obtained from 41,371 mother/child pairs recorded in the Jujuy Perinatal Information System (SIP) between 2009 and 2014, including: NB and maternal weight, length/height and BMI; gest…
Chilean reference of length at birth
BACKGROUND: To generate a reference of length at birth (LB) according to sex and gestational age (GA) of the Chilean population. METHODS: This cross-sectional observational study used public pooled Chilean newborn (NB) population data registered by the Civil Registry and Identification Service in Chile from 2000 to 2016. Multiple births, entries without information for LB, GA, and sex, and birth lengths 4SD, were excluded. After applying the sele…
Birth Size and Maternal, Social, and Environmental Factors in the Province of Jujuy, Argentina
the distribution of birth size and the factors related to its variability in Jujuy are found to be strongly conditioned by provincial terrain and the clinal variation due to its Andean location
Somatotype altitudinal variation and its relationship with the nutritional status of children in the Jujuy province, Argentina
Jujenean children show differential body patterns across geographic altitude which exhibit age and sex variations. Children have a differential tendency to a fat mass gain. The BMI showed some inconsistencies with somatotype, leading to a misclassification of the child nutritional status, this highlights the importance of not to treat the BMI in isolation but with other determinants of the health status
Body Composition and Geographical Altitude in Newborns From the Province of Jujuy (Argentina)
Aim Knowledge of neonatal body composition in high‐altitude populations is insufficient. To estimate Fat Mass (FM), Fat Free Mass (FFM), and Body Fat percentage (BF%) in Jujuy newborns (NB) using the weight/length (W/L) ratio and its relationship with maternal, fetal, and environmental characteristics. Method Data were obtained from 47 598 mother/child pairs recorded in the Jujuy Perinatal Information System (SIP) between 2009 and 2014, including…
Height variation in Argentina and its socioeconomic dimensions in adults born between 1971-2000 surveyed from the National Risk Factor Survey 2018
Human height is a variable trait that is highly heritable and sensitive to socioeconomic constraints within and between populations. The aim of this work is to describe and characterize adult height in Argentina according to socioeconomic indicators, considering their influence on the geographical distribution of the trait, and to evaluate the impact of these socioeconomic characteristics at two points during ontogeny. This study analyzed 15,840 …
Demography (7 works) · Geography (6 works) · Medicine (6 works) · Biology (4 works) · Birth, Development, and Health (4 works) · Child Nutrition and Water Access (4 works) · Gestational age (4 works) · Mathematics (4 works) · Population (4 works) · Pregnancy (4 works)