Results 21 to 30 of about 2,481 (248)

Estimating ordered categorical variables using panel data: a generalized ordered probit model with an autofit procedure [PDF]

open access: yes
Estimation procedures for ordered categories usually assume that the estimated coefficients of independent variables do not vary between the categories (parallel-lines assumption).
Andreas Schmid   +2 more
core   +6 more sources

Factors influencing injury severity of crashes involving HAZMAT trucks

open access: yesInternational Journal of Transportation Science and Technology, 2018
This paper investigates factors affecting injury severity of crashes involving HAZMAT large trucks. It uses the crash data in the state of California from the Highway Safety Information System, from 2005 to 2011.
Majbah Uddin, Nathan Huynh
doaj   +1 more source

Robust estimation of the effect of an exposure on the change in a continuous outcome

open access: yesBMC Medical Research Methodology, 2020
Background The change in two measurements of a continuous outcome can be modelled directly with a linear regression model, or indirectly with a random effects model (REM) of the individual measurements.
Yilin Ning   +10 more
doaj   +1 more source

Mapping the EORTC QLQ-C30 to EQ-5D-3L in patients with breast cancer

open access: yesBMC Cancer, 2021
Background The types of outcomes measured collected in clinical studies and those required for cost-effectiveness analysis often differ. Decision makers routinely use quality adjusted life years (QALYs) to compare the benefits and costs of treatments ...
Laura A. Gray   +2 more
doaj   +1 more source

Factors affecting renting in and renting out of land in a semi-arid economy of Tigrai, northern Ethiopia: a generalized random effect order probit model

open access: yesCogent Economics & Finance, 2023
Visualización de fórmulas: Las fórmulas matemáticas se han codificado como MathML y se muestran en esta versión HTML utilizando MathJax para mejorar su visualización. Desmarque la casilla para desactivar MathJax. Esta función requiere Javascript. Haz clic en una fórmula para hacer zoom.
openaire   +3 more sources

Audit of transvaginal sonography of normal postmenopausal ovaries by sonographers from the United Kingdom Collaborative Trial of Ovarian Cancer Screening (UKCTOCS) [version 1; referees: 2 approved, 1 approved with reservations]

open access: yesF1000Research, 2018
Background: We report on a unique audit of seven sonographers self-reporting high visualization rates of normal postmenopausal ovaries in the United Kingdom Collaborative Trial of Ovarian Cancer Screening (UKCTOCS).
Will Stott   +10 more
doaj   +1 more source

An empirical investigation of the impact of smoking on body weight using an endogenous treatment effects model approach: the role of food consumption patterns

open access: yesNutrition Journal, 2018
Background This study explored the influence of cigarette smoking and food consumption patterns on BMI after adjusting for various socio-demographic characteristics.
Elena Raptou, Georgios Papastefanou
doaj   +1 more source

Determinants of gender differences in household food security perceptions in the Western and Eastern regions of Kenya

open access: yesCogent Food & Agriculture, 2019
In addition to Intra-household resource allocations and internal dynamics of decision-making, gendered perceptions on household food security play a critical role in households’ nutritional status, especially in developing countries. However, evidence on
Cosmas Kweyu Lutomia   +3 more
doaj   +1 more source

Assessing Household Welfare in Response to Rising Food Prices in The Gambia

open access: yesApplied Economic Perspectives and Policy, EarlyView.
ABSTRACT This study examines how rising food prices affected household welfare in The Gambia using nationally representative data from the 2015/16 Integrated Household Survey (IHS‐3). The analysis reflects household consumption behavior and market conditions prevailing during that period and provides a structural benchmark for understanding ...
Roger Vorsah   +3 more
wiley   +1 more source

Home - About - Disclaimer - Privacy