scholarly journals Outcome-dependent associations between short interpregnancy interval and offspring psychological and educational problems: a population-based quasi-experimental study

2018 ◽  
Vol 47 (4) ◽  
pp. 1159-1168 ◽  
Author(s):  
Quetzal A Class ◽  
Martin E Rickert ◽  
Henrik Larsson ◽  
Anna Sara Öberg ◽  
Ayesha C Sujan ◽  
...  
Keyword(s):  
Experimental Study ◽  
Population Based ◽  
Interpregnancy Interval ◽  
Quasi Experimental ◽  
Short Interpregnancy Interval

Effect of Pokémon GO on incidence of fatal traffic injuries: a population-based quasi-experimental study using the national traffic collisions database in Japan

2017 ◽  
Vol 24 (6) ◽  
pp. 448-450 ◽  
Author(s):  
Sachiko Ono ◽  
Yosuke Ono ◽  
Nobuaki Michihata ◽  
Yusuke Sasabuchi ◽  
Hideo Yasunaga
Keyword(s):  
Experimental Study ◽  
Traffic Accident ◽  
Regression Discontinuity ◽  
Population Based ◽  
National Data ◽  
Difference In Differences ◽  
Quasi Experimental ◽  
Accident Research ◽  
Pokémon Go ◽  
Augmented Reality Game

Pokémon GO (Niantic Labs, released on 22 July 2016 in Japan) is an augmented reality game that gained huge popularity worldwide. Despite concern about Pokémon GO–related traffic collisions, the effect of playing Pokémon GO on the incidence of traffic injuries remains unknown. We performed a population-based quasi-experimental study using national data from the Institute for Traffic Accident Research and Data Analysis, Japan. The outcome was incidence of traffic injuries. Of 127 082 000 people in Japan, 886 fatal traffic injuries were observed between 1 June and 31 August in 2016. Regression discontinuity analysis showed a non-significant change in incidence of fatal traffic injuries after the Pokémon GO release (0.017 deaths per million, 95%CI −0.036 to 0.071). This finding was similar to that obtained from a difference-in-differences analysis. Effect of Pokémon GO on fatal traffic injuries may be negligible.

Impact of State-Level Changes on Maternal Mortality: A Population-Based, Quasi-Experimental Study

2020 ◽  
Vol 58 (2) ◽  
pp. 165-174 ◽  
Author(s):  
Summer Sherburne Hawkins ◽  
Marco Ghiani ◽  
Sam Harper ◽  
Christopher F. Baum ◽  
Jay S. Kaufman
Keyword(s):  
Experimental Study ◽  
Maternal Mortality ◽  
State Level ◽  
Population Based ◽  
Quasi Experimental

scholarly journals Pre-conception inter-pregnancy interval and risk of schizophrenia

2011 ◽  
Vol 199 (4) ◽  
pp. 338-339 ◽  
Author(s):  
Lihini Gunawardana ◽  
George Davey Smith ◽  
Stanley Zammit ◽  
Elise Whitley ◽  
David Gunnell ◽  
...  
Keyword(s):  
Risk Factor ◽  
Fetal Development ◽  
Population Based ◽  
Micronutrient Deficiency ◽  
Important Risk Factor ◽  
Interpregnancy Interval ◽  
The Relationship ◽  
Inter Pregnancy Interval ◽  
Short Interpregnancy Interval

SummaryIt is hypothesised that the risk of schizophrenia may be elevated in children conceived following a short interpregnancy interval, when maternal folate stores are still being replenished. We examined the relationship between inter-pregnancy interval and schizophrenia risk in a longitudinal, population-based cohort. Risk of schizophrenia was increased by approximately 150% in those born following a pregnancy interval of $6 months, but was not increased if the interval after birth of the participant, before conception of the subsequent sibling, was $6 months. These findings support the hypothesis that folate (or other micronutrient) deficiency during fetal development may be an important risk factor for schizophrenia.

scholarly journals Police killings and their spillover effects on the mental health of black Americans: a population-based, quasi-experimental study

The Lancet ◽  
2018 ◽  
Vol 392 (10144) ◽  
pp. 302-310 ◽  
Author(s):  
Jacob Bor ◽  
Atheendar S Venkataramani ◽  
David R Williams ◽  
Alexander C Tsai
Keyword(s):  
Mental Health ◽  
Experimental Study ◽  
Black Americans ◽  
Spillover Effects ◽  
Population Based ◽  
Quasi Experimental
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