Objective To consolidate evidence from systematic reviews and meta-analyses investigating
the association between reproductive factors in women of reproductive age and their …

Advances in understanding how habit forms can help people change their behaviour in
ways that make them happier and healthier. Making behaviour habitual, such that people …

Background Qualitative longitudinal research (QLR) comprises qualitative studies, with
repeated data collection, that focus on the temporality (eg, time and change) of a …

Objectives To provide a descriptive insight into the different types of research
questions/objectives and associated methodologies of overviews of reviews, supplemented …

Background: The emergency authorization of COVID-19 vaccines has offered the first means
of long-term protection against COVID-19–related illness since the pandemic began. It is …

Background Mixed methods intervention studies can improve the accuracy of interventional
evaluations in the field of emotional and behavioral disorders by helping researchers gain a …

Fantasy sports are a type of virtual computer game that have gone from being played by half
a million people in the late 1980s to around 60 million people in 2020 in North America …

Background Qualitative longitudinal research (QLR) is an emerging methodology used in
health research. The method literature states that the change in a phenomenon through time …

Study objectives Clinical and population health recommendations are derived from studies
that include self-report. Differences in question wording and response scales may …

Background In the past few years there has been a growing interest in the employment of
verbal productions as digital biomarkers, namely objective, quantifiable behavioural data …