Differences in Demographic, Behavioral, and Biological Variables Between Those With Valid and Invalid Accelerometry Data: Implications for Generalizability

نویسندگان
چکیده

برای دانلود رایگان متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Differences in demographic, behavioral, and biological variables between those with valid and invalid accelerometry data: implications for generalizability.

BACKGROUND The exclusion of participants with invalid accelerometry data (IAD) may lead to biased results and/or lack of generalizability in large population studies. The purpose of this study was to investigate whether demographic, behavioral, and biological differences occur between those with IAD and valid accelerometry data (VAD) among adults using a representative sample of the civilian no...

متن کامل

The Relations Between Behavioral Problems and Demographic Variables in Students With Visual Impairment

Objectives: The most distinctive group of people with sensory disabilities is those with visual impairment. This study aimed to evaluate the relationship between behavioral problems and demographic variables in students with visual impairment in the academic year of 2018-2019 in Tehran City, Iran. Methods: This cross-sectional, descriptive, and analytical study was conducted on students with v...

متن کامل

IV estimation with valid and invalid instruments

While 2SLS is the most widely used estimator for simuhaneous equation models, OLS may do better in finite samples. Here we demonstrate analytically that the for the widely used simultaneous equation model with one jointly endogenous variable and valid instruments, 2SLS has smaller MSE error, up to second order, than OLS unless the R , or the F statistic of the reduced form equation is extremely...

متن کامل

Differences in Demographic and Psychological Variables in Suicide by Self-immolation and Poisoning

Background: Self-immolation and intentional poisoning are two common methods for suicidal attempts in developing countries. Few studies have compared the characteristics of people who commit suicide by self-immolation or intentional poisoning. Hence, the aim of this study was to compare demographic, social, and psychological features between these two groups. Methods: In the present study, pat...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

ژورنال

عنوان ژورنال: Journal of Physical Activity and Health

سال: 2013

ISSN: 1543-3080,1543-5474

DOI: 10.1123/jpah.10.1.79