Dr Alecia Nickless

PhD, MSc, BSc, BSc, BSc

  • BS8 1TS

20102020

Research output per year

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Research Output

  • 50 Article (Academic Journal)
  • 1 Conference Contribution (Conference Proceeding)
  • 1 Comment/debate (Academic Journal)
2020

Blood pressure monitoring in high-risk pregnancy to improve the detection and monitoring of hypertension (the BUMP 1 and 2 trials): protocol for two linked randomised controlled trials

Dougall, G., Franssen, M., Tucker, K. L., Yu, L-M., Hinton, L., Rivero-Arias, O., Abel, L., Allen, J., Band, R. J., Chisholm, A., Crawford, C., Green, M., Greenfield, S., Hodgkinson, J., Leeson, P., McCourt, C., MacKillop, L., Nickless, A., Sandall, J., Santos, M. & 6 others, Tarassenko, L., Velardo, C., Wilson, H., Yardley, L., Chappell, L. & McManus, R. J., 23 Jan 2020, In : BMJ Open. 10, 12 p., e034593.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
42 Downloads (Pure)

Cognitive Processes Associated With Sudden Gains in Cognitive Therapy for Posttraumatic Stress Disorder in Routine Care

Wiedemann, M., Nickless, A. & al., E., 5 Mar 2020, In : Journal of Consulting and Clinical Psychology. 88, 5, p. 455-469 15 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
1 Citation (Scopus)
15 Downloads (Pure)

Neurocognitive processes in D-cycloserine augmented single-session exposure therapy for anxiety: A randomized placebo-controlled trial

Reinecke, A., Nickless, A., Browning, M. & Harmer, C. J., Jun 2020, In : Behaviour Research and Therapy. 129, 103607.

Research output: Contribution to journalArticle (Academic Journal)

Virtual reality clinical-experimental tests of compassion treatment techniques to reduce paranoia

Brown, P., Waite, F., Rovira, A., Nickless, A. & Freeman, D., 22 May 2020, In : Scientific Reports. 10, 1, 8547 (2020).

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
1 Citation (Scopus)
9 Downloads (Pure)
2019

An atmospheric inversion over the city of Cape Town: sensitivity analyses

Nickless, A., Rayner, P. J., Scholes, R. J., Engelbrecht, F. & Erni, B., 12 Jun 2019, In : Atmospheric Chemistry and Physics. 19, 11, p. 7789-7816 28 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
128 Downloads (Pure)

A Population-based Observational Study of Childhood Encephalitis in Children Admitted to Pediatric Intensive Care Units in England and Wales

Iro, M. A., Sadarangani, M., Nickless, A., Kelly, D. F. & Pollard, A. J., 1 Jul 2019, In : The Pediatric infectious disease journal. 38, 7, p. 673-677 5 p.

Research output: Contribution to journalArticle (Academic Journal)

A randomised controlled trial of blood pressure self-monitoring in the management of hypertensive pregnancy. OPTIMUM-BP: A feasibility trial

Pealing, L. M., Tucker, K. L., Mackillop, L. H., Crawford, C., Wilson, H., Nickless, A., Temple, E., Chappell, L. C. & McManus, R. J., 13 Oct 2019, In : Pregnancy Hypertension. 18, p. 141-149 9 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
1 Citation (Scopus)
69 Downloads (Pure)

Comparison of two remote sensing models for estimating evapotranspiration: algorithm evaluation and application in seasonally arid ecosystems in South Africa

Dzikiti, S., Jovanovic, N. Z., Bugan, R. D., Ramoelo, A., Majozi, N. P., Nickless, A., Cho, M. A., Le Maitre, D. C., Ntshidi, Z. & Pienaar, H. H., 9 Sep 2019, In : Journal of Arid Land. 11, 4, p. 495-512 18 p.

Research output: Contribution to journalArticle (Academic Journal)

Cost-Effectiveness of Telemonitoring and Self-Monitoring of Blood Pressure for Antihypertensive Titration in Primary Care (TASMINH4)

Monahan, M., Jowett, S., Nickless, A., Franssen, M., Grant, S., Greenfield, S., Hobbs, F. D. R., Hodgkinson, J. A., Mant, J. & McManus, R., 1 Jun 2019, In : Hypertension. 73, 6, p. 1231-1239 9 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
5 Citations (Scopus)
168 Downloads (Pure)

La thérapie cognitivo-comportementale pour les cauchemars des patients souffrant de délire de persécution (nuits): un essai pilote randomisé contrôlé et à l'insu de l'évaluateur

Sheaves, B., Holmes, E. A., Rek, S., Taylor, K. M., Nickless, A., Waite, F., Germain, A., Espie, C. A., Harrison, P. J., Foster, R. & Freeman, D., 26 May 2019, In : Canadian Journal of Psychiatry. 11 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
5 Citations (Scopus)
93 Downloads (Pure)

Quality of stepped-wedge trial reporting can be reliably assessed using an updated CONSORT: crowd-sourcing systematic review

Hemming, K., Carroll, K., Thompson, J., Forbes, A., Taljaard, M., Dutton, S. J., Madurasinghe, V., Morgan, K., Stuart, B., Fielding, K., Cornelius, V., Turner, E. L., Hooper, R., Giraudeau, B., Seed, P. T., Nickless, A., Grayling, M., Prague, M., Kerry, S., Bell, L. & 34 others, Watson, E., Gafoor, R., Marlin, N., Yorganci, E., Smith, L., Mbekwe, M., Teerenstra, S., Chan, C., Moerbeek, M., Jacobsen, P., Bond, S., Jones, B., Preisser, J., Kanaan, M., Hewitt, C., Easter, C., Pellatt-Higgins, T., Pankhurst, L., Agbla, S. C., Eldridge, S., Lerner, R. G., Leyrat, C., Pilling, M., Forman, J. R., Bhattacharya, I., Magill, N., Candlish, J., McDowell, C., Martin, J., Kristunas, C., Allen, E., Seward, N., Nicholls, E. & Franklin, B. D., 1 Mar 2019, In : Journal of Clinical Epidemiology. 107, p. 77-88 12 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
1 Citation (Scopus)
83 Downloads (Pure)

Screening and brief intervention for obesity in primary care: cost-effectiveness analysis in the BWeL trial

Retat, L., Pimpin, L., Webber, L., Jaccard, A., Lewis, A., Tearne, S., Hood, K., Christian-Brown, A., Adab, P., Begh, R., Jolly, K., Daley, A., Farley, A., Lycett, D., Nickless, A., Yu, L. M., Jebb, S. & Aveyard, P., Jan 2019, In : International Journal of Obesity. 10 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
7 Citations (Scopus)
287 Downloads (Pure)

The equity impact of brief opportunistic interventions to promote weight loss in primary care: secondary analysis of the BWeL randomised trial

Graham, J., Tudor, K., Jebb, S. A., Lewis, A., Tearne, S., Adab, P., Begh, R., Jolly, K., Daley, A., Farley, A., Lycett, D., Nickless, A. & Aveyard, P., 1 Mar 2019, In : BMC Medicine. 17, 9 p., 51.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
2 Citations (Scopus)
238 Downloads (Pure)
2018

An atmospheric inversion over the city of Cape Town: sensitivity analyses

Nickless, A., Rayner, P. J., Scholes, R. J., Engelbrecht, F. & Erni, B., 26 Jun 2018, In : Atmospheric Chemistry and Physics Discussions.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
111 Downloads (Pure)

Automated psychological therapy using immersive virtual reality for treatment of fear of heights: a single-blind, parallel-group, randomised controlled trial

Freeman, D., Haselton, P., Freeman, J., Spanlang, B., Kishore, S., Albery, E., Denne, M., Brown, P., Slater, M. & Nickless, A., 2018, In : The Lancet Psychiatry.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
48 Citations (Scopus)
208 Downloads (Pure)

Comparison of the genetic algorithm and incremental optimisation routines for a Bayesian inverse modelling based network design

Nickless, A., Rayner, P. J., Erni, B. & Scholes, R. J., May 2018, In : Inverse Problems. 34, 5, 33 p., 055006.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
3 Citations (Scopus)
190 Downloads (Pure)

Doctor Referral of Overweight People to Low Energy total diet replacement Treatment (DROPLET): pragmatic randomised controlled trial

Astbury, N. M., Aveyard, P., Nickless, A., Hood, K., Corfield, K., Lowe, R. & Jebb, S. A., 26 Sep 2018, In : BMJ. 362, 10 p., k3760.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
26 Citations (Scopus)
215 Downloads (Pure)

Efficacy of self-monitored blood pressure, with or without telemonitoring, for titration of antihypertensive medication (TASMINH4): an unmasked randomised controlled trial

McManus, R., Mant, J., Franssen, M., Nickless, A., Schwartz, C., Hodgkinson, J. A., Bradburn, P., Grant, S., Farmer, A., Greenfield, S., Heneghan, C., Jowett, S., Martin, U., Milner, S. L., Monahan, M., Mort, S., Ogburn, E., Perera-Salazar, R., Shah, S., Yu, L-M. & 3 others, Tarassenko, L., Hobbs, F. D. R. & on behalf of the TASMINH4 Investigators, 10 Mar 2018, In : Lancet. 391, 10124, p. 949-959 11 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
81 Citations (Scopus)
292 Downloads (Pure)

Estimates of CO2 fluxes for Cape Town

Nickless, A., 2018, In : Clean Air Journal. 28, 1, p. 9-10 2 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
140 Downloads (Pure)

Estimates of CO2 fluxes over the city of Cape Town, South Africa, through Bayesian inverse modelling

Nickless, A., Rayner, P. J., Engelbrecht, F., Brunke, E-G., Erni, B. & Scholes, R. J., 9 Apr 2018, In : Atmospheric Chemistry and Physics. 18, 7, p. 4765-47801 37 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
6 Citations (Scopus)
141 Downloads (Pure)

Group-Based Worry Intervention for Persecutory Delusions: An Initial Feasibility Study

Isham, L., Grafahrend, H., Nickless, A., Pugh, K., Pleasants, S., Smedley, N., Freeman, D. & Mulligan, A., Jun 2018, In : Behavioural and Cognitive Psychotherapy. 46, 5, p. 619-625 7 p.

Research output: Contribution to journalArticle (Academic Journal)

2 Citations (Scopus)

Insomnia, negative affect, and psychotic experiences: Modelling pathways over time in a clinical observational study

Reeve, S., Nickless, A., Sheaves, B. & Freeman, D., Nov 2018, In : Psychiatry Research. 269, p. 673-680 8 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
7 Citations (Scopus)
211 Downloads (Pure)

Mitigating the effect of persistent postnatal depression on child outcomes through an intervention to treat depression and improve parenting: a randomised controlled trial

Stein, A., Netsi, E., Lawrence, P. J., Granger, C., Kempton, C., Craske, M. G., Nickless, A., Mollison, J., Stewart, D. A., Rapa, E., West, V., Scerif, G., Cooper, P. J. & Murray, L., 2018, In : The Lancet Psychiatry. 5, 2, p. 134-144

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
26 Citations (Scopus)
203 Downloads (Pure)

Mixed effects approach to the analysis of the stepped wedge cluster randomised trial—Investigating the confounding effect of time through simulation

Nickless, A., Voysey, M., Geddes, J., Yu, L. M. & Fanshawe, T. R., 13 Dec 2018, In : PLoS ONE. 13, 12, 22 p., e0208876.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
7 Citations (Scopus)
173 Downloads (Pure)

OPtimising Treatment for MIld Systolic hypertension in the Elderly (OPTiMISE): protocol for a randomised controlled non-inferiority trial

Sheppard, J. P., Burt, J., Lown, M., Temple, E., Benson, J., Ford, G. A., Heneghan, C., Hobbs, F. D. R., Jowett, S., Little, P., Mant, J., Mollison, J., Nickless, A., Ogburn, E., Payne, R., Williams, M., Yu, L-M. & McManus, R. J., Oct 2018, In : BMJ Open. 8, 9, 11 p., e022930.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
3 Citations (Scopus)
200 Downloads (Pure)

Sleep duration and psychotic experiences in patients at risk of psychosis: A secondary analysis of the EDIE-2 trial

Reeve, S., Nickless, A., Sheaves, B., Stewart, S. L. K., Gumley, A., Fowler, D., Morrison, A. & Freeman, D., 2018, In : Schizophrenia Research. 204, p. 326-333

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
5 Citations (Scopus)
79 Downloads (Pure)

Stabilising sleep for patients admitted at acute crisis to a psychiatric hospital (OWLS): An assessor-blind pilot randomised controlled trial

Sheaves, B., Freeman, D., Isham, L., McInerney, J., Nickless, A., Yu, L-M., Rek, S., Bradley, J., Reeve, S., Attard, C., Espie, C. A., Foster, R., Wirz-Justice, A., Chadwick, E. & Barrera, A., 2018, In : Psychological Medicine.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
18 Citations (Scopus)
225 Downloads (Pure)

Viral bronchiolitis management in hospitals in the UK

Carande, E. J., Galiza, E. P., Nickless, A., Pollard, A. & Drysdale, S. B., 2018, In : Journal of Clinical Virology.

Research output: Contribution to journalArticle (Academic Journal)

2 Citations (Scopus)
2017

30-year trends in admission rates for encephalitis in children in England and effect of improved diagnostics and measles-mumps-rubella vaccination: a population-based observational study

Iro, M. A., Sadarangani, M., Goldacre, R., Nickless, A., Pollard, A. & Goldacre, M. J., 1 Apr 2017, In : The Lancet Infectious Diseases. 9 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
10 Citations (Scopus)
177 Downloads (Pure)

Analysing surface energy balance closure and partitioning over a semi-arid savanna FLUXNET site in Skukuza, Kruger National Park, South Africa

Majozi, N. P., Mannaerts, C. M., Ramoelo, A., Mathieu, R., Nickless, A. & Verhoef, W., 10 Jul 2017, In : Hydrology and Earth System Sciences. 21, 7, p. 3401-3415 15 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
17 Citations (Scopus)
216 Downloads (Pure)

Benchmarking of Viral Bronchiolitis Management by General Practitioners in the United Kingdom

Nickless, A., Galiza, E. P., Pollard, A. J. & Drysdale, S. B., 1 Jun 2017, In : Pediatric, Allergy, Immunology, and Pulmonology. 30, 2, p. 69-73 5 p.

Research output: Contribution to journalArticle (Academic Journal)

1 Citation (Scopus)

Doctor Referral of Overweight People to a Low-Energy Treatment (DROPLET) in primary care using total diet replacement products: A protocol for a randomised controlled trial

Jebb, S. A., Astbury, N. M., Tearne, S., Nickless, A. & Aveyard, P., Aug 2017, In : BMJ Open. 7, 8, 10 p., e016709.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
4 Citations (Scopus)
142 Downloads (Pure)

Estimates of CO2 fluxes over the City of Cape Town, South Africa, through Bayesian inverse modelling

Nickless, A., Rayner, P. J., Engelbrecht, F., Brunke, E-G., Erni, B. & Scholes, R. J., 25 Jul 2017, In : Atmospheric Chemistry and Physics Discussions. 2017, 72 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
144 Downloads (Pure)

Obesity management in primary care – Authors' reply

Aveyard, P., Nickless, A. & Jebb, S., 22 Apr 2017, In : The Lancet. 389, 10079, p. 1606-1607 2 p.

Research output: Contribution to journalComment/debate (Academic Journal)

1 Citation (Scopus)
2016

Assessment of Aboveground Woody Biomass Dynamics Using Terrestrial Laser Scanner and L-Band ALOS PALSAR Data in South African Savanna

Odipo, V. O., Nickless, A., Berger, C., Baade, J., Urbazaev, M., Walther, C. & Schmullius, C., Dec 2016, In : Forests. 7, 12, 24 p., 294.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
9 Citations (Scopus)
200 Downloads (Pure)

Evidence for facultative deciduousness in Colophospermum mopane in semi-arid African savannas: Leaf Drop in C. mopane

Stevens, N., Archibald, S. A., Nickless, A., Swemmer, A. & Scholes, R. J., Feb 2016, In : Austral Ecology. 41, 1, p. 87-96 10 p.

Research output: Contribution to journalArticle (Academic Journal)

9 Citations (Scopus)

Screening and brief intervention for obesity in primary care: a parallel, two-arm, randomised trial

Aveyard, P., Lewis, A., Tearne, S., Hood, K., Christian-Brown, A., Adab, P., Begh, R., Jolly, K., Daley, A., Farley, A., Lycett, D., Nickless, A., Yu, L-M., Retat, L., Webber, L., Pimpin, L. & Jebb, S. A., 19 Nov 2016, In : Lancet.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
103 Citations (Scopus)
209 Downloads (Pure)
2015

Extending periodic eddy covariance latent heat fluxes through tree sap-flow measurements to estimate long-term total evaporation in a peat swamp forest

Clulow, A. D., Everson, C. S., Mengistu, M. G., Price, J. S., Nickless, A. & Jewitt, G. P. W., 2015, In : Hydrology and Earth System Sciences.

Research output: Contribution to journalArticle (Academic Journal)

3 Citations (Scopus)

Greenhouse gas network design using backward Lagrangian particle dispersion modelling - Part 2: Sensitivity analyses and South African test case

Nickless, A., Ziehn, T., Rayner, P. J., Scholes, R. J. & Engelbrecht, F., 2015, In : Atmospheric Chemistry and Physics.

Research output: Contribution to journalArticle (Academic Journal)

Mixed effects approach to the analysis of the stepped wedge cluster randomised trial - accounting for the confounding effect of time

Nickless, A., Voysey, M. & Yu, L-M., Nov 2015, In : Trials.

Research output: Contribution to journalArticle (Academic Journal)

Spatial and temporal disaggregation of anthropogenic CO2 emissions from the City of Cape Town

Nickless, A., Scholes, R. J. & Filby, E., Nov 2015, In : South African Journal of Science. 111, 11-12, 20140387.

Research output: Contribution to journalArticle (Academic Journal)

5 Citations (Scopus)
2014

Validation of Global Evapotranspiration Product (MOD16) using Flux Tower Data in the African Savanna, South Africa

Ramoelo, A., Majozi, N., Mathieu, R., Jovanovic, N., Nickless, A. & Dzikiti, S., Aug 2014, In : Remote Sensing.

Research output: Contribution to journalArticle (Academic Journal)

2013

Capturing, Calculating, and Disseminating Real-Time CO2 Emissions and CO2 Flux Measurements via Twitter in a Smart City

Butgereit, L. & Nickless, A., Aug 2013, 2013 IEEE International Conference on Green Computing and Communications and IEEE Internet of Things and IEEE Cyber, Physical and Social Computing. Institute of Electrical and Electronics Engineers (IEEE)

Research output: Chapter in Book/Report/Conference proceedingConference Contribution (Conference Proceeding)

2 Citations (Scopus)

Evaluation of Clear-Sky Incoming Radiation Estimating Equations Typically Used in Remote Sensing Evapotranspiration Algorithms

Sun, Z., Gebremichael, M., Wang, Q., Wang, J., Sammis, T. & Nickless, A., Sep 2013, In : Remote Sensing.

Research output: Contribution to journalArticle (Academic Journal)

Evaluation of MODIS gross primary productivity for Africa using eddy covariance data

Sjöström, M., Zhao, M., Archibald, S., Arneth, A., Cappelaere, B., Falk, U., de Grandcourt, A., Hanan, N., Kergoat, L., Kutsch, W., Merbold, L., Mougin, E., Nickless, A., Nouvellon, Y., Scholes, R. J., Veenendaal, E. M. & Ardö, J., 2013, In : Remote Sensing of Environment.

Research output: Contribution to journalArticle (Academic Journal)

87 Citations (Scopus)

Improving operational land surface model canopy evapotranspiration in Africa using a direct remote sensing approach

Marshall, M., Tu, K., Funk, C., Michaelsen, J., Williams, P., Williams, C., Ardö, J., Boucher, M., Cappelaere, B., De Grandcourt, A., Nickless, A., Nouvellon, Y., Scholes, R. J. & Kutsch, W., 2013, In : Hydrology and Earth System Sciences.

Research output: Contribution to journalArticle (Academic Journal)

25 Citations (Scopus)

Retrieval of savanna vegetation canopy height from ICESat-GLAS spaceborne LiDAR with terrain correction

Khalefa, E., Smit, I. P. J., Nickless, A., Archibald, S., Comber, A. & Balzter, H., 2013, In : IEEE Geoscience and Remote Sensing Letters.

Research output: Contribution to journalArticle (Academic Journal)

16 Citations (Scopus)
2012

Estimation of daily evapotranspiration over Africa using MODIS/Terra and SEVIRI/MSG data

Sun, Z., Gebremichael, M., Ardö, J., Nickless, A., Caquet, B., Merboldh, L. & Kutschi, W., 1 Aug 2012, In : Atmospheric Research. 112, p. 35-44 10 p.

Research output: Contribution to journalArticle (Academic Journal)

26 Citations (Scopus)

Influence of spatial environment on maze learning in an African mole-rat

Toit, L. D., Bennett, N. C., Nickless, A. & Whiting, M. J., 9 May 2012, In : Animal Cognition.

Research output: Contribution to journalArticle (Academic Journal)

2011

A method for calculating the variance and confidence intervals for tree biomass estimates obtained from allometric equations

Nickless, A., Scholes, R. J. & Archibald, S., 3 May 2011, In : South African Journal of Science.

Research output: Contribution to journalArticle (Academic Journal)