University of Nebraska Omaha

About: University of Nebraska Omaha is a education organization based out in Omaha, Nebraska, United States. It is known for research contribution in the topics: Population & Poison control. The organization has 4526 authors who have published 8905 publications receiving 213914 citations. The organization is also known as: UNO & University of Omaha.

Concurrent Validity of Wearable Activity Trackers Under Free-Living Conditions

Abstract: Brooke, SM, An, H-S, Kang, S-K, Noble, JM, Berg, KE, and Lee, J-M. Concurrent validity of wearable activity trackers under free-living conditions. J Strength Cond Res 31(4): 1097-1106, 2017-The purpose of this study is to evaluate the concurrent validity of wearable activity trackers in energy expenditure (EE) and sleep period time (SPT) under free-living conditions. Ninety-five (28.5 ± 9.8 years) healthy men (n = 34) and women (n = 61) participated in this study. The total EE and SPT were measured using 8 monitors: Nike+ FuelBand SE (NFB), Garmin VivoFit (VF), Misfit Shine (MF), Fitbit Flex (FF), Jawbone UP (JU), Polar Loop (PL), Fitbit Charge HR (FC), and SenseWear Armband Mini (SWA) (criterion measures: SWA for EE and a sleep log for SPT). The mean absolute percent error (MAPE) for EE was 13.0, 15.2, 15.5, 16.1, 16.2, 22.8, and 24.5% for PL, MF, FF, NFB, FC, JU, and VF, respectively. Mean absolute percent errors were calculated for SPT to be 4.0, 8.8, 10.2, 11.5, 12.9, 13.6, 17.5, and 21.61% for VF, FF, JU, FC, MF, SWA laying down, PL, and SWA, respectively. Concurrent validity was examined using equivalence testing on EE (equivalence zone: 2,889.7-3,531.9 kcal); 2 trackers fell short of falling in the zone: PL (2,714.4-3,164.8 kcal) and FC (2,473.8-3,066.5 kcal). For SPT (equivalence zone: 420.6-514.0 minutes), several monitors fell in the zone: PL (448.3-485.6 minutes), MS (442.8-492.2 minutes), and FF (427.7-486.7 minutes). This study suggests that the PL and FC provide a reasonable estimate of EE under free-living conditions. The PL, FC, and MF were the most valid monitors used for measuring SPT.

The Evolution of Internal IT Applications and e-Government Studies in Public Administration Research Themes and Methods

Abstract: This study reviews research themes and methods used in information technology (IT) in government and e-government research. Although IT/e-government studies (including inward aspects of IT applicat...

Convergence in Interest Rates and Inflation Rates across Countries and over Time

Abstract: This study examines the relationship between interest rates and inflation rates for ten countries during the period 1974-1995. Monthly end-of-month Euro-deposit rates and inflation rates are used, spanning a spectrum of maturity dates ranging from one month to one year. The recent cointegration testing procedure of Johansen and Juselius is employed. We find considerable evidence of a unique cointegrating relationship between nominal interest rates of EMS countries, the U.S. and Canada, and the U.S., Germany, and Japan. No similar relationship is obtained between inflation rates of these countries with one exception, namely the U.S. and Canada. We interpret these results as suggesting that there exists convergence in inflation but not in interest rates. The conclusions also mean that, if interest rates represent an indicator of monetary policy, the countries in our sample have attempted to implement independent policies but not to an extent which, at least during the sample in question, produced divergent trends in inflation.