Copas, Andrew J.: search on Z-Library

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1

The prevalence of unplanned pregnancy and associated factors in Britain: findings from the third National Survey of Sexual Attitudes and Lifestyles (Natsal-3)

Wellings, Kaye, Jones, Kyle G, Mercer, Catherine H, Tanton, Clare, Clifton, Soazig, Datta, Jessica, Copas, Andrew J, Erens, Bob, Gibson, Lorna J, Macdowall, Wendy, Sonnenberg, Pam, Phelps, Andrew, Joh

Journal:

Year:

2013

Language:

english

File:

PDF, 329 KB

english, 2013

2

Fractional Brownian motion and multivariate-t models for longitudinal biomedical data, with application to CD4 counts in HIV-patients

Stirrup, Oliver T., Babiker, Abdel G., Carpenter, James R., Copas, Andrew J.

Journal:

Statistics in Medicine

Year:

2015

Language:

english

File:

PDF, 1.88 MB

english, 2015

3

Changes in sexual attitudes and lifestyles in Britain through the life course and over time: findings from the National Surveys of Sexual Attitudes and Lifestyles (Natsal)

Mercer, Catherine H, Tanton, Clare, Prah, Philip, Erens, Bob, Sonnenberg, Pam, Clifton, Soazig, Macdowall, Wendy, Lewis, Ruth, Field, Nigel, Datta, Jessica, Copas, Andrew J, Phelps, Andrew, Wellings,

Journal:

Year:

2013

Language:

english

File:

PDF, 397 KB

english, 2013

4

Visions for a walking and cycling focussed urban transport system

Miles Tight, Paul Timms, David Banister, Jemma Bowmaker, Jonathan Copas, Andy Day, David Drinkwater, Moshe Givoni, Astrid Gühnemann, Mary Lawler, James Macmillen, Andrew Miles, Niamh Moore, Rita Newto

Journal:

Journal of Transport Geography

Year:

2011

Language:

english

File:

PDF, 2.64 MB

english, 2011

5

First Sexual Partnerships—Age Differences and Their Significance: Empirical Evidence from the 2000 British National Survey of Sexual Attitudes and Lifestyles (‘Natsal 2000’)

Catherine H. Mercer, Kaye Wellings, Wendy Macdowall, Andrew J. Copas, Sally McManus, Bob Erens, Kevin A. Fenton, Anne M. Johnson

Journal:

Journal of Adolescent Health

Year:

2006

Language:

english

File:

PDF, 118 KB

english, 2006

6

Ethnic variations in sexual behaviours and sexual health markers: findings from the third British National Survey of Sexual Attitudes and Lifestyles (Natsal-3)

Wayal, Sonali, Hughes, Gwenda, Sonnenberg, Pam, Mohammed, Hamish, Copas, Andrew J, Gerressu, Makeda, Tanton, Clare, Furegato, Martina, Mercer, Catherine H

Journal:

The Lancet Public Health

Year:

2017

Language:

english

File:

PDF, 280 KB

english, 2017

7

Why Do Men Report More Opposite-Sex Sexual Partners Than Women? Analysis of the Gender Discrepancy in a British National Probability Survey

Mitchell, Kirstin R., Mercer, Catherine H., Prah, Philip, Clifton, Soazig, Tanton, Clare, Wellings, Kaye, Copas, Andrew

Journal:

The Journal of Sex Research

Year:

2018

Language:

english

File:

PDF, 612 KB

english, 2018

8

Sexual behaviour in Britain: partnerships, practices, and HIV risk behaviours

Anne M Johnson, Catherine H Mercer, Bob Erens, Andrew J Copas, Sally McManus, Kaye Wellings, Kevin A Fenton, Christos Korovessis, Wendy Macdowall, Kiran Nanchahal, Susan Purdon, Julia Field

Journal:

Year:

2001

Language:

english

File:

PDF, 527 KB

english, 2001

9

Predictors of maternal psychological distress in rural India: A cross-sectional community-based study

Audrey Prost, Rashmi Lakshminarayana, Nirmala Nair, Prasanta Tripathy, Andrew Copas, Rajendra Mahapatra, Shibanand Rath, Raj Kumar Gope, Suchitra Rath, Aparna Bajpai, Vikram Patel, Anthony Costello

Journal:

Journal of Affective Disorders

Year:

2012

Language:

english

File:

PDF, 276 KB

english, 2012

10

Participatory Women's Groups with Cash Transfers Can Increase Dietary Diversity and Micronutrient Adequacy during Pregnancy, whereas Women's Groups with Food Transfers Can Increase Equity in Intrahousehold Energy Allocation

Harris-Fry, Helen A, Paudel, Puskar, Harrisson, Tom, Shrestha, Niva, Jha, Sonali, Beard, B James, Copas, Andrew, Shrestha, Bhim P, Manandhar, Dharma S, Costello, Anthony M de L, Cortina-Borja, Mario,

Journal:

Journal of Nutrition

Year:

2018

Language:

english

File:

PDF, 533 KB

english, 2018

11

Linkage to HIV care following diagnosis in the WHO European Region: A systematic review and meta-analysis, 2006-2017

Croxford, Sara, Yin, Zheng, Burns, Fiona, Copas, Andrew, Town, Katy, Desai, Sarika, Skingsley, Andrew, Delpech, Valerie, Winston, Alan

Journal:

Year:

2018

Language:

english

File:

PDF, 2.51 MB

english, 2018

12

Human papillomavirus infection: protocol for a randomised controlled trial of imiquimod cream (5%) versus podophyllotoxin cream (0.15%), in combination with quadrivalent human papillomavirus or control vaccination in the treatment and prevention of recurrence of anogenital warts (HIPvac trial)

Murray, Macey L., Meadows, Jade, Doré, Caroline J., Copas, Andrew J., Haddow, Lewis J., Lacey, Charles, Jit, Mark, Soldan, Kate, Bennett, Kate, Tetlow, Michelle, Nathan, Mayura, Gilson, Richard

Journal:

BMC Medical Research Methodology

Year:

2018

Language:

english

File:

PDF, 626 KB

english, 2018

13

Prevalence, risk factors, and uptake of interventions for sexually transmitted infections in Britain: findings from the National Surveys of Sexual Attitudes and Lifestyles (Natsal)

Sonnenberg, Pam, Clifton, Soazig, Beddows, Simon, Field, Nigel, Soldan, Kate, Tanton, Clare, Mercer, Catherine H, da Silva, Filomeno Coelho, Alexander, Sarah, Copas, Andrew J, Phelps, Andrew, Erens, B

Journal:

Year:

2013

Language:

english

File:

PDF, 292 KB

english, 2013

14

Lifetime prevalence, associated factors, and circumstances of non-volitional sex in women and men in Britain: findings from the third National Survey of Sexual Attitudes and Lifestyles (Natsal-3)

Macdowall, Wendy, Gibson, Lorna J, Tanton, Clare, Mercer, Catherine H, Lewis, Ruth, Clifton, Soazig, Field, Nigel, Datta, Jessica, Mitchell, Kirstin R, Sonnenberg, Pam, Erens, Bob, Copas, Andrew J, Ph

Journal:

Year:

2013

Language:

english

File:

PDF, 421 KB

english, 2013

15

Concise whole blood transcriptional signatures for incipient tuberculosis: a systematic review and patient-level pooled meta-analysis

Gupta, Rishi K, Turner, Carolin T, Venturini, Cristina, Esmail, Hanif, Rangaka, Molebogeng X, Copas, Andrew, Lipman, Marc, Abubakar, Ibrahim, Noursadeghi, Mahdad

Journal:

The Lancet Respiratory Medicine

Year:

2020

Language:

english

File:

PDF, 2.12 MB

english, 2020

16

Quantifying, displaying and accounting for heterogeneity in the meta-analysis of RCTs using standard and generalisedQstatistics

Jack Bowden, Jayne F Tierney, Andrew J Copas, Sarah Burdett

Journal:

BMC Medical Research Methodology

Year:

2011

Language:

english

File:

PDF, 620 KB

english, 2011

17

Sexual function in Britain: findings from the third National Survey of Sexual Attitudes and Lifestyles (Natsal-3)

Mitchell, Kirstin R, Mercer, Catherine H, Ploubidis, George B, Jones, Kyle G, Datta, Jessica, Field, Nigel, Copas, Andrew J, Tanton, Clare, Erens, Bob, Sonnenberg, Pam, Clifton, Soazig, Macdowall, Wen

Journal:

Year:

2013

Language:

english

File:

PDF, 566 KB

english, 2013

18

Changes in the Circumstances of Young Mothers in Britain: 1990 to 2000

Kiran Nanchahal, Kaye Wellings, Geraldine Barrett, Andrew J. Copas, Catherine H. Mercer, Sally Macmanus, Wendy MacDowall, Kevin A. Fenton, Bob Erens and Anne M. Johnson

Journal:

Journal of Epidemiology & Community Health

Year:

2005

Language:

english

File:

PDF, 2.05 MB

english, 2005

19

Sample size and power calculations for open cohort longitudinal cluster randomized trials

Kasza, Jessica, Hooper, Richard, Copas, Andrew, Forbes, Andrew B.

Journal:

Statistics in Medicine

Year:

2020

File:

PDF, 734 KB

2020

20

Collecting and exploiting data to understand a nation’s sexual health needs: Implications for the British National Surveys of Sexual Attitudes and Lifestyles (Natsal)

Mercer, Catherine H, Clifton, Soazig, Prior, Gillian, Aldridge, Robert W, Bonell, Chris, Copas, Andrew J, Field, Nigel, Gibbs, Jo, Macdowall, Wendy, Mitchell, Kirstin R, Tanton, Clare, Thomson, Nick,

Journal:

Sexually Transmitted Infections

Year:

2019

File:

PDF, 544 KB

2019

21

Voluntary universal antenatal HIV testing

Danielle Mercey, Barbara A. Helps, Andrew Copas, Ann Petruckevitch, Anne M. Johnson, John Spencer

Journal:

BJOG: An International Journal of Obstetrics & Gynaecology

Year:

1996

Language:

english

File:

PDF, 474 KB

english, 1996

22

Bias from the use of generalized estimating equations to analyze incomplete longitudinal binary data

Copas, Andrew J., Seaman, Shaun R.

Journal:

Journal of Applied Statistics

Year:

2010

Language:

english

File:

PDF, 121 KB

english, 2010

23

Sexual behaviour in Britain: early heterosexual experience

Kaye Wellings, Kiran Nanchahal, Wendy Macdowall, Sally McManus, Bob Erens, Catherine H Mercer, Anne M Johnson, Andrew J Copas, Christos Korovessis, Kevin A Fenton, Julia Field

Journal:

Year:

2001

Language:

english

File:

PDF, 103 KB

english, 2001

24

Reported Sexually Transmitted Disease Clinic Attendance and Sexually Transmitted Infections in Britain: Prevalence, Risk Factors, and Proportionate Population Burden

Fenton, Kevin A., Mercer, Catherine H., Johnson, Anne M., Byron, Christos L., McManus, Sally, Erens, Bob, Copas, Andrew J., Nanchahal, Kiran, Macdowall, Wendy, Wellings, Kaye

Journal:

The Journal of Infectious Diseases

Year:

2005

Language:

english

File:

PDF, 118 KB

english, 2005

25

The Long-Term Effects of a Peer-Led Sex Education Programme (RIPPLE): A Cluster Randomised Trial in Schools in England

Stephenson, Judith, Strange, Vicki, Allen, Elizabeth, Copas, Andrew, Johnson, Anne, Bonell, Chris, Babiker, Abdel, Oakley, Ann, Middleton, Philippa

Journal:

Year:

2008

Language:

english

File:

PDF, 227 KB

english, 2008

26

Reporting of stepped wedge cluster randomised trials: extension of the CONSORT 2010 statement with explanation and elaboration

Hemming, Karla, Taljaard, Monica, McKenzie, Joanne E, Hooper, Richard, Copas, Andrew, Thompson, Jennifer A, Dixon-Woods, Mary, Aldcroft, Adrian, Doussau, Adelaide, Grayling, Michael, Kristunas, Caroli

Journal:

Year:

2018

Language:

english

File:

PDF, 681 KB

english, 2018

27

Community youth teams facilitating participatory adolescent groups, youth leadership activities and livelihood promotion to improve school attendance, dietary diversity and mental health among adolescent girls in rural eastern India: protocol for a cluster-randomised controlled trial

Rath, Suchitra, Prost, Audrey, Samal, Subhashree, Pradhan, Hemanta, Copas, Andrew, Gagrai, Sumitra, Rath, Shibanand, Gope, Raj Kumar, Nair, Nirmala, Tripathy, Prasanta, Bhatia, Komal, Rose-Clarke, Kel

Journal:

Year:

2020

File:

PDF, 936 KB

2020

28

Sexual behaviour in Britain: reported sexually transmitted infections and prevalent genital Chlamydia trachomatis infection

Kevin A Fenton, Christos Korovessis, Anne M Johnson, Angela McCadden, Sally McManus, Kaye Wellings, Catherine H Mercer, Caroline Carder, Andrew J Copas, Kiran Nanchahal, Wendy Macdowall, Geoff Ridgway

Journal:

Year:

2001

Language:

english

File:

PDF, 75 KB

english, 2001

29

Ethnic variations in sexual behaviour in Great Britain and risk of sexually transmitted infections: a probability survey

Kevin A Fenton, Catherine H Mercer, Sally McManus, Bob Erens, Kaye Wellings, Wendy Macdowall, Christos L Byron, Andrew J Copas, Kiran Nanchahal, Julia Field, Anne M Johnson

Journal:

Year:

2005

Language:

english

File:

PDF, 109 KB

english, 2005

30

A review of methodology for sample size calculations in cluster randomised trials

Clare Rutterford, Sandra Eldridge, Andrew Copas

Journal:

Year:

2011

Language:

english

File:

PDF, 113 KB

english, 2011

31

Methods for sample size determination in cluster randomized trials

Rutterford, Clare, Copas, Andrew, Eldridge, Sandra

Journal:

International Journal of Epidemiology

Year:

2015

Language:

english

File:

PDF, 380 KB

english, 2015

32

Doubly robust generalized estimating equations for longitudinal data

Shaun Seaman, Andrew Copas

Journal:

Statistics in Medicine

Year:

2009

Language:

english

File:

PDF, 159 KB

english, 2009

33

Community interventions to prevent violence against women and girls in informal settlements in Mumbai: the SNEHA-TARA pragmatic cluster randomised controlled trial

Daruwalla, Nayreen, Machchhar, Unnati, Pantvaidya, Shanti, D’Souza, Vanessa, Gram, Lu, Copas, Andrew, Osrin, David

Journal:

Year:

2019

Language:

english

File:

PDF, 704 KB

english, 2019

34

Effect of HIV Infection and Antiretroviral Therapy on Hepatitis B Virus (HBV)–Specific T Cell Responses in Patients Who Have Resolved HBV Infection

Lascar, R. Monica, Lopes, A. Ross, Gilson, Richard J., Dunn, Claire, Johnstone, Ruth, Copas, Andrew, Reignat, Stephanie, Webster, George, Bertoletti, Antonio, Maini, Mala K.

Journal:

The Journal of Infectious Diseases

Year:

2005

Language:

english

File:

PDF, 765 KB

english, 2005

35

The effects of antiretroviral therapy on HIV-1 RNA loads in seminal plasma in HIV-positive patients with and without urethritis

Sadiq, S. Tariq, Taylor, Stephen, Kaye, Steve, Bennett, Julie, Johnstone, Ruth, Byrne, Patrick, Copas, Andrew J., Drake, Susan M., Pillay, Deenan, Weller, Ian

Journal:

Year:

2002

Language:

english

File:

PDF, 141 KB

english, 2002

36

Early virological response to HIV treatment: can we predict who is likely to experience subsequent treatment failure? Results from an observational cohort study, London, UK

Brima, Nataliya, Lampe, Fiona C., Copas, Andrew, Gilson, Richard, Williams, Ian, Johnson, Margaret A., Phillips, Andrew N., Smith, Colette J.

Journal:

Journal of the International AIDS Society

Year:

2017

Language:

english

File:

PDF, 89 KB

english, 2017

37

HIV and STI Prevalence and Determinants among Male Migrant Workers in India

Dave, Sangeeta S., Copas, Andrew, Richens, John, White, Richard G., Kosambiya, Jayendrakumar K., Desai, Vikas K., Stephenson, Judith M., Kissinger, Patricia

Journal:

Year:

2012

Language:

english

File:

PDF, 524 KB

english, 2012

38

Velvety Fruit-Eating Bat (Enchistenes hartii; Phyllostomidae) in Morelos, Mexico

Orozco-Lugo, Carmen Lorena, Valenzuela-Galván, David, Vázquez, Luis Bernardo, Rhodes, Andrew John, De León-Ibarra, Alejandra, Hernández, Ariana, Copa-Alvaro, MarÍa Eugenia, Agatón, Luis Gerardo Avila-

Journal:

The Southwestern Naturalist

Year:

2008

Language:

english

File:

PDF, 69 KB

english, 2008

39

Stopping and switching contraceptive methods: findings from Contessa, a prospective longitudinal study of women of reproductive age in England

Wellings, Kaye, Brima, Nataliya, Sadler, Katharine, Copas, Andrew J., McDaid, Lisa, Mercer, Catherine H., McManus, Sally, Stephenson, Judith, Glasier, Anna

Journal:

Year:

2015

Language:

english

File:

PDF, 190 KB

english, 2015

40

A Quantitative Process for Enhancing End of Phase 2 Decisions

Sabin, Tony, Matcham, James, Bray, Sarah, Copas, Andrew, Parmar, Mahesh K. B.

Journal:

Statistics in Biopharmaceutical Research

Year:

2014

Language:

english

File:

PDF, 571 KB

english, 2014

41

Using Observational Data to Estimate the Effect of Hand Washing and Clean Delivery Kit Use by Birth Attendants on Maternal Deaths after Home Deliveries in Rural Bangladesh, India and Nepal

Seward, Nadine, Prost, Audrey, Copas, Andrew, Corbin, Marine, Li, Leah, Colbourn, Tim, Osrin, David, Neuman, Melissa, Azad, Kishwar, Kuddus, Abdul, Nair, Nirmala, Tripathy, Prasanta, Manandhar, Dharma

Journal:

Year:

2015

Language:

english

File:

PDF, 499 KB

english, 2015

42

Women Who Report Having Sex With Women: British National Probability Data on Prevalence, Sexual Behaviors, and Health Outcomes

Mercer, Catherine H., Bailey, Julia V., Johnson, Anne M., Erens, Bob, Wellings, Kaye, Fenton, Kevin A., Copas, Andrew J.

Journal:

American Journal of Public Health

Year:

2007

Language:

english

File:

PDF, 113 KB

english, 2007

43

Impact on birth weight and child growth of Participatory Learning and Action women’s groups with and without transfers of food or cash during pregnancy: Findings of the low birth weight South Asia cluster-randomised controlled trial (LBWSAT) in Nepal

Saville, Naomi M., Shrestha, Bhim P., Style, Sarah, Harris-Fry, Helen, Beard, B. James, Sen, Aman, Jha, Sonali, Rai, Anjana, Paudel, Vikas, Sah, Raghbendra, Paudel, Puskar, Copas, Andrew, Bhandari, Bi

Journal:

Year:

2018

Language:

english

File:

PDF, 3.20 MB

english, 2018

44

Cluster randomised trials with different numbers of measurements at baseline and endline: Sample size and optimal allocation

Copas, Andrew J, Hooper, Richard

Journal:

Clinical Trials

Year:

2019

File:

PDF, 1.18 MB

2019

45

Inadequate reporting of sample size calculations in cluster randomised trials: a review

Clare Rutterford,Monica Taljaard,Stephanie Dixon,Andrew Copas,Sandra Eldridge

Journal:

Year:

2013

Language:

english

File:

PDF, 123 KB

english, 2013

46

Natural T Cell–mediated Protection against Seasonal and Pandemic Influenza. Results of the Flu Watch Cohort Study

Hayward, Andrew C., Wang, Lili, Goonetilleke, Nilu, Fragaszy, Ellen B., Bermingham, Alison, Copas, Andrew, Dukes, Oliver, Millett, Elizabeth R. C., Nazareth, Irwin, Nguyen-Van-Tam, Jonathan S., Watson

Journal:

American Journal of Respiratory and Critical Care Medicine

Year:

2015

Language:

english

File:

PDF, 862 KB

english, 2015

47

Review of methods for handling confounding by cluster and informative cluster size in clustered data

Seaman, Shaun, Pavlou, Menelaos, Copas, Andrew

Journal:

Statistics in Medicine

Year:

2014

Language:

english

File:

PDF, 281 KB

english, 2014

48

Determinants of HIV drug resistance mutations in plasma virus after treatment interruption

Chilton, Daniella, Dervisevic, Samir, Pillay, Deenan, Rider, Andrew, Copas, Andrew, Miller, Rob F, Edwards, Simon G

Journal:

Year:

2005

Language:

english

File:

PDF, 138 KB

english, 2005

49

A comparison of multiple-imputation methods for handling missing data in repeated measurements observational studies

Kalaycioglu, Oya, Copas, Andrew, King, Michael, Omar, Rumana Z.

Journal:

Journal of the Royal Statistical Society Series A (General)

Year:

2016

Language:

english

File:

PDF, 1.17 MB

english, 2016

50

Sexual behaviours, HIV testing, and the proportion of men at risk of transmitting and acquiring HIV in London, UK, 2000–13: a serial cross-sectional study

Aghaizu, Adamma, Wayal, Sonali, Nardone, Anthony, Parsons, Victoria, Copas, Andrew, Mercey, Danielle, Hart, Graham, Gilson, Richard, Johnson, Anne M

Journal:

Year:

2016

Language:

english

File:

PDF, 221 KB

english, 2016

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