Pearson’s correlation coefficient

  title={Pearson’s correlation coefficient},
  author={Philip M Sedgwick},
  journal={BMJ : British Medical Journal},
  • P. Sedgwick
  • Published 4 July 2012
  • Psychology, Medicine
  • BMJ : British Medical Journal
Researchers investigated the relation between the number of involuntary admissions (detentions) for mental disorders a year under the Mental Health Act 1983 and the number of NHS psychiatric beds each year in England. They used hospital episode statistics from 1996 to 2006 in a retrospective analysis. For each year they obtained the number of available NHS psychiatric beds—defined as those beds for patients with mental disorders or learning disabilities—and the number of involuntary admissions… 

Responsiveness level and its effect on services quality from the viewpoints of the older adults hospitalized during COVID-19 pandemic

The average level of responsiveness and service quality perceived from the old patients’ viewpoints during the COVID-19 pandemic can be considered a necessity for supportive planning among the older adults.

Ecological studies: advantages and disadvantages

  • P. Sedgwick
  • Psychology, Economics
    BMJ : British Medical Journal
  • 2014
Researchers examined the association between child wellbeing and economic status in rich developed societies. An ecological cross sectional study design was used, with 23 of the richest 50 countries

Attitudes of Middle School Children Towards Mental Health Programs

The results indicated that middle school children need a unique variety of programs offered to support their needs and support the ongoing need for offering a variety of mental health resources in an effort to meet the needs of today’s youth.

Cluster randomised controlled trials: sample size calculations

It is reported that training primary care health professionals in behaviour change counselling did not increase patients’ self reported beneficial behaviour change at three months.

Opioids and Gabapentinoids Utilisation and Their Related-Mortality Trends in the United Kingdom Primary Care Setting, 2010–2019: A Cross-National, Population-Based Comparison Study

  • A. Kurdi
  • Medicine
    Frontiers in Pharmacology
  • 2021
The utilisation trends of opioids and gabapentinoids have increased significantly with substantial variations among the four United Kingdom countries and support the call for immediate actions including radical changes in official United Kingdom policies on drug use and effective strategies to promote best clinical practice.

Patient-reported outcome measures (PROMs): how should I interpret reports of measurement properties? A practical guide for clinicians and researchers who are not biostatisticians

This paper will help clinicians and researchers to understand studies on the validity, responsiveness and reliability of patient-reported outcome measures (PROMs) and to interpret the scores and

Intraclass correlation coefficient

It was concluded that in British postmenopausal women’s lumbar spine bone mineral density was genetically linked.

Reduced autobiographical memory specificity relates to weak resistance to proactive interference.




Retrospective analysis of hospital episode statistics, involuntary admissions under the Mental Health Act 1983, and number of psychiatric beds in England 1996-2006

Psychiatric inpatient care changed considerably in the decade from 1996 to 2006, with more involuntary admissions to fewer NHS beds and increasing proportions of involuntary patients were admitted to private facilities.

Parametric v non-parametric statistical tests

Researchers investigated five year mortality in patients with chronic heart failure by comparing those with impaired left ventricular function with those with preserved function, finding that patients with preservedfunction had a lower median heart rate than patients with impaired function.

Statistical hypothesis testing.

  • R. Marino
  • Psychology, Medicine
    Archives of physical medicine and rehabilitation
  • 1995