Related Experiment Video
Updated: Feb 12, 2026
07:25
Basic Methods for the Study of Reproductive Ecology of Fish in Aquaria
Published on: July 20, 2017
12.1K
Spatial distribution of leprosy in India: an ecological study
Kyra H Grantz1,2, Winnie Chabaari3,4, Ramolotja Kagiso Samuel3,4
1Department of Biology, University of Florida, Gainesville, FL, USA.
Infectious Diseases of Poverty
|March 28, 2018
Summary
Illiteracy and development, measured by satellite radiance, predict leprosy case detection in India. Poverty shows a weak association, and case detection has not rapidly declined, highlighting challenges in leprosy elimination.
Area of Science:
- Epidemiology
- Public Health
- Socioeconomic Determinants
Background:
- Leprosy elimination is a global health goal.
- Understanding factors influencing leprosy persistence is crucial.
- India accounts for the majority of global leprosy cases.
Purpose of the Study:
- To evaluate socioeconomic factors predicting leprosy new case detection rates in India.
- To analyze the association between poverty, illiteracy, and development with leprosy incidence.
Main Methods:
- Correlation and linear mixed-effect regressions were employed.
- District-wise data on new case detection and Grade 2 disability were analyzed.
- Poverty, illiteracy, and nighttime satellite radiance were key predictors assessed.
Main Results:
- Illiteracy and satellite radiance were significant predictors of leprosy at the district level.
- Poverty showed only a weak association with annual new case detection rates.
- No significant decline in new case detection or Grade 2 disability was observed between 2008-2015.
Conclusions:
- Leprosy detection rates are weakly associated with poverty.
- Higher detection rates may occur in poorer districts, but the effect is marginal.
- Distinguishing between leprosy case detection and true incidence is complex, especially in impoverished areas.
Related Concept Videos
02:02Ecological Niches
26.7K
All organisms have a position within an ecosystem. The complete set of living and nonliving factors—including food resources, climate, and terrain—that define the position of a given organism are collectively referred to as the organism’s ecological niche.
26.7K
02:26Ecological Disturbance
21.1K
An ecological disturbance is a temporary disruption in the environment resulting from abiotic, biotic, or anthropogenic factors, causing a pronounced change in an ecosystem. The impact of an ecological disturbance, which can depend on its intensity, frequency, and spatial distribution, plays a significant role in shaping the species diversity within the ecosystem.
21.1K
02:17Ecological Succession
21.6K
Ecological succession is influenced by the processes of facilitation, inhibition, and toleration. Facilitation occurs when early successional species create more favorable ecological conditions for subsequent species, such as enhanced nutrient, water, or light availability. In contrast, inhibition happens when early successional species create unfavorable ecological conditions for potential successive species, such as limiting resource availability. In some cases, later successional species...
21.6K
01:25Drug Distribution: Volume of Distribution
7.6K
The volume of distribution refers to the theoretical volume necessary to contain the entire amount of an administered drug at the same concentration observed in the blood plasma. The body's intracellular fluid compartment, which makes up two-thirds of the total body water, is contrasted with the extracellular fluid compartment—comprising plasma and interstitial fluid—that accounts for one-third. The volume of distribution can vary depending on the characteristics of the drug.
7.6K
01:19F Distribution
10.7K
The F distribution was named after Sir Ronald Fisher, an English statistician. The F statistic is a ratio (a fraction) with two sets of degrees of freedom; one for the numerator and one for the denominator. The F distribution is derived from the Student's t distribution. The values of the F distribution are squares of the corresponding values of the t distribution. One-Way ANOVA expands the t test for comparing more than two groups. The scope of that derivation is beyond the level of this...
10.7K
01:19Distributed Loads
981
Distributed loads are a common type of load that engineers and scientists encounter in various practical situations. Distributed loads often refer to a type of load spread over a surface or a structure and can be modeled as continuous force per unit area.
For example, consider a bookshelf filled with books stacked vertically adjacent to each other. The weight of the books is evenly distributed over the length of the shelf. As a result, the pressure at different locations on the surface of the...
For example, consider a bookshelf filled with books stacked vertically adjacent to each other. The weight of the books is evenly distributed over the length of the shelf. As a result, the pressure at different locations on the surface of the...
981