Sökning: "birth intervals"
Visar resultat 1 - 5 av 45 avhandlingar innehållade orden birth intervals.
1. The dynamics of red blood cells and iron status during infancy
Sammanfattning : Red blood cell (RBC) and iron status biomarkers are commonly used in clinical diagnostics. However, interpretations of infant test results are inherently challenging. LÄS MER
2. Sibling Configuration and Adulthood Outcomes : The Case of Two-Child Families
Sammanfattning : This thesis includes three empirical studies, analyzing how sibling configuration (i.e. birth order, birth spacing and sex-composition) influences siblings’ long-run income and educational choice. This is done by utilizing the unique linkage opportunities of administrative registers covering the entire population of Sweden. LÄS MER
3. Medical and social conditions in the elderly gender and age differences : the Umeå longitudinal study
Sammanfattning : In 1981, no representative study of the medical and social conditions among elderly persons in northern Scandinavia was performed. Nor was there such a study in a smaller Swedish town than Gothenburg. This study was initiated to fill that knowledge gap. LÄS MER
4. Gestational age and size at birth and risk of esophageal inflammation and cancer
Sammanfattning : Background: In a hypothesis generating study by my colleagues a 7-fold increase in the risk of esophageal adenocarcinoma (EAC) was found in a cohort of individuals born preterm or with a low birth weight. Preterm born individuals regurgitate more than term born infants, and infant gastroesophageal reflux disease (GERD) might continue into childhood and even adulthood. LÄS MER
5. Cancer and migration : epidemiological studies on relationship between country of birth, socio-economic position and cancer
Sammanfattning : Background: Migrant studies offer a unique opportunity to analyze variation in disease occurrence due to background factors. The role of environmental and lifestyle exposures are of particular interest in cancer research, and migrant studies can be considered as "natural experiments" in epidemiological research. LÄS MER