List of abbreviations

Publication Details

AE

adverse event

AIC

Akaike information criterion

AUC

area under the curve

BWY

British Wheel of Yoga

CACE

complier-average causal effect

CCA

complete-case analysis

CI

confidence interval

CONSORT

Consolidated Standards of Reporting Trials

ELSA

English Longitudinal Study of Ageing

EQ-5D-5L

EuroQol-5 Dimensions, five-level version

GAD-7

Generalised Anxiety Disorder-7

GP

general practitioner

GYY

Gentle Years Yoga

HCRW

Health and Care Research Wales

HR

Hazard Ratio

HRA

Health Research Authority

HRQoL

health-related quality of life

HTA

Health Technology Assessment

IMD

Index of Multiple Deprivation

ITT

intention to treat

MAR

missing at random

MCID

minimal clinically important difference

MD

mean difference

MI

multiply imputed

NICE

National Institute for Health and Care Excellence

NIHR

National Institute for Health and Care Research

PHQ-8

Patient Health Questionnaire-8 item

PIS

participant information sheet

PROMIS-29 v2.1

29-item Patient-Reported Outcomes Measurement Information System

QALY

quality-adjusted life-year

RCT

randomised controlled trial

ROC

receiver operating characteristic

SA

sensitivity analysis

SAE

serious adverse event

SD

standard deviation

SMD

standardised mean difference

SRM

standardised response mean

TSC

Trial Steering Committee

UCLA

University of California, Los Angeles

VAS

visual analogue scale

WTP

willingness to pay

YTU

York Trials Unit