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Cascade of care for HIV-seroconverters in rural Tanzania: a longitudinal study.

Colombe S, Machemba R, Mtenga B, Lutonja P, Safari W, Beard J, Downs JA, Urassa M, Todd J, Changalucha J.

AIDS Care. 2019 Jul 10:1-6. doi: 10.1080/09540121.2019.1640842. [Epub ahead of print]


HIV-seroconversion among HIV-1 serodiscordant married couples in Tanzania: a cohort study.

Colombe S, Beard J, Mtenga B, Lutonja P, Mngara J, de Dood CJ, van Dam GJ, Corstjens PLAM, Kalluvya S, Urassa M, Todd J, Downs JA.

BMC Infect Dis. 2019 Jun 13;19(1):518. doi: 10.1186/s12879-019-4151-8.


Changes in rapid HIV treatment initiation after national "treat all" policy adoption in 6 sub-Saharan African countries: Regression discontinuity analysis.

Tymejczyk O, Brazier E, Yiannoutsos CT, Vinikoor M, van Lettow M, Nalugoda F, Urassa M, Sinayobye JD, Rebeiro PF, Wools-Kaloustian K, Davies MA, Zaniewski E, Anderegg N, Liu G, Ford N, Nash D; IeDEA consortium.

PLoS Med. 2019 Jun 10;16(6):e1002822. doi: 10.1371/journal.pmed.1002822. eCollection 2019 Jun.


Implementing prevention policies for mother-to-child transmission of HIV in rural Malawi, South Africa and United Republic of Tanzania, 2013-2016.

Jones H, Wringe A, Todd J, Songo J, Gómez-Olivé FX, Moshabela M, Geubbels E, Nyamhagatta M, Kalua T, Urassa M, Zaba B, Renju J.

Bull World Health Organ. 2019 Mar 1;97(3):200-212. doi: 10.2471/BLT.18.217471. Epub 2019 Jan 28.


Parent-offspring conflict unlikely to explain 'child marriage' in northwestern Tanzania.

Schaffnit SB, Hassan A, Urassa M, Lawson DW.

Nat Hum Behav. 2019 Apr;3(4):346-353. doi: 10.1038/s41562-019-0535-4. Epub 2019 Feb 18.


Impact of linkage quality on inferences drawn from analyses using data with high rates of linkage errors in rural Tanzania.

Rentsch CT, Harron K, Urassa M, Todd J, Reniers G, Zaba B.

BMC Med Res Methodol. 2018 Dec 10;18(1):165. doi: 10.1186/s12874-018-0632-5.


Enrollment in HIV Care and Treatment Clinic and Associated Factors Among HIV Diagnosed Patients in Magu District, Tanzania.

Uvila SR, Mtuy TB, Urassa M, Beard J, Mtenga B, Mahande M, Todd J.

AIDS Behav. 2019 Apr;23(4):1032-1038. doi: 10.1007/s10461-018-2338-4.


Linkage to care and antiretroviral therapy initiation by testing modality among individuals newly diagnosed with HIV in Tanzania, 2014-2017.

Rentsch CT, Wringe A, Machemba R, Michael D, Urassa M, Todd J, Reniers G, Zaba B.

Trop Med Int Health. 2018 Dec;23(12):1384-1393. doi: 10.1111/tmi.13153. Epub 2018 Oct 24.


Impact of schistosome infection on long-term HIV/AIDS outcomes.

Colombe S, Machemba R, Mtenga B, Lutonja P, Kalluvya SE, de Dood CJ, Hoekstra PT, van Dam GJ, Corstjens PLAM, Urassa M, Changalucha JM, Todd J, Downs JA.

PLoS Negl Trop Dis. 2018 Jul 2;12(7):e0006613. doi: 10.1371/journal.pntd.0006613. eCollection 2018 Jul.


Point-of-contact Interactive Record Linkage (PIRL): A software tool to prospectively link demographic surveillance and health facility data.

Rentsch CT, Kabudula CW, Catlett J, Beckles D, Machemba R, Mtenga B, Masilela N, Michael D, Natalis R, Urassa M, Todd J, Zaba B, Reniers G.

Gates Open Res. 2017 Nov 6;1:8. doi: 10.12688/gatesopenres.12751.1.


The Network for Analysing Longitudinal Population-based HIV/AIDS data on Africa (ALPHA): Data on mortality, by HIV status and stage on the HIV care continuum, among the general population in seven longitudinal studies between 1989 and 2014.

Slaymaker E, McLean E, Wringe A, Calvert C, Marston M, Reniers G, Kabudula CW, Crampin A, Price A, Michael D, Urassa M, Kwaro D, Sewe M, Eaton JW, Rhead R, Nakiyingi-Miiro J, Lutalo T, Nabukalu D, Herbst K, Hosegood V, Zaba B.

Gates Open Res. 2017 Nov 6;1:4. doi: 10.12688/gatesopenres.12753.1.


From policy to practice: exploring the implementation of antiretroviral therapy access and retention policies between 2013 and 2016 in six sub-Saharan African countries.

Ambia J, Renju J, Wringe A, Todd J, Geubbels E, Nakiyingi-Miiro J, Urassa M, Lutalo T, Crampin AC, Kwaro D, Kyobutungi C, Chimbindi N, Gomez-Olive FX, Tlhajoane M, Njamwea B, Zaba B, Mee P.

BMC Health Serv Res. 2017 Nov 21;17(1):758. doi: 10.1186/s12913-017-2678-1.


Effects of schistosomiasis on susceptibility to HIV-1 infection and HIV-1 viral load at HIV-1 seroconversion: A nested case-control study.

Downs JA, Dupnik KM, van Dam GJ, Urassa M, Lutonja P, Kornelis D, de Dood CJ, Hoekstra P, Kanjala C, Isingo R, Peck RN, Lee MH, Corstjens PLAM, Todd J, Changalucha JM, Johnson WD Jr, Fitzgerald DW.

PLoS Negl Trop Dis. 2017 Sep 25;11(9):e0005968. doi: 10.1371/journal.pntd.0005968. eCollection 2017 Sep.


Point-of-contact interactive record linkage (PIRL) between demographic surveillance and health facility data in rural Tanzania.

Rentsch CT, Reniers G, Kabudula C, Machemba R, Mtenga B, Harron K, Mee P, Michael D, Natalis R, Urassa M, Todd J, Zaba B.

Int J Popul Data Sci. 2017 Sep 18;2(1):3. doi: 10.23889/ijpds.v2i1.408. Epub 2017 Dec 15.


Physical activity and associated factors from a cross-sectional survey among adults in northern Tanzania.

John B, Todd J, Mboya I, Mosha M, Urassa M, Mtuy T.

BMC Public Health. 2017 Jun 20;17(1):588. doi: 10.1186/s12889-017-4512-4.


Prevalence,awareness and factors associated with hypertension in North West Tanzania.

Mosha NR, Mahande M, Juma A, Mboya I, Peck R, Urassa M, Michael D, Todd J.

Glob Health Action. 2017;10(1):1321279. doi: 10.1080/16549716.2017.1321279.


Joint estimation of CD4+ cell progression and survival in untreated individuals with HIV-1 infection.

Mangal TD; UNAIDS Working Group on CD4 Progression and Mortality Amongst HIV Seroconverters including the CASCADE Collaboration in EuroCoord.

AIDS. 2017 May 15;31(8):1073-1082. doi: 10.1097/QAD.0000000000001437.


The effects of HIV on fertility by infection duration: evidence from African population cohorts before antiretroviral treatment availability.

Marston M, Nakiyingi-Miiro J, Kusemererwa S, Urassa M, Michael D, Nyamukapa C, Gregson S, Zaba B, Eaton JW; ALPHA network.

AIDS. 2017 Apr;31 Suppl 1:S69-S76. doi: 10.1097/QAD.0000000000001305.


The Incidence Patterns Model to Estimate the Distribution of New HIV Infections in Sub-Saharan Africa: Development and Validation of a Mathematical Model.

Bórquez A, Cori A, Pufall EL, Kasule J, Slaymaker E, Price A, Elmes J, Zaba B, Crampin AC, Kagaayi J, Lutalo T, Urassa M, Gregson S, Hallett TB.

PLoS Med. 2016 Sep 13;13(9):e1002121. doi: 10.1371/journal.pmed.1002121. eCollection 2016 Sep.


'It is just the way it was in the past before I went to test': a qualitative study to explore responses to HIV prevention counselling in rural Tanzania.

Cawley C, Wringe A, Wamoyi J, Lees S, Urassa M.

BMC Public Health. 2016 Jun 8;16:489. doi: 10.1186/s12889-016-3109-7.


Exploring the relationship between population mobility and HIV risk: Evidence from Tanzania.

Deane KD, Samwell Ngalya P, Boniface L, Bulugu G, Urassa M.

Glob Public Health. 2018 Feb;13(2):173-188. doi: 10.1080/17441692.2016.1178318. Epub 2016 May 27.


Data Resource Profile: Network for Analysing Longitudinal Population-based HIV/AIDS data on Africa (ALPHA Network).

Reniers G, Wamukoya M, Urassa M, Nyaguara A, Nakiyingi-Miiro J, Lutalo T, Hosegood V, Gregson S, Gómez-Olivé X, Geubbels E, Crampin AC, Wringe A, Waswa L, Tollman S, Todd J, Slaymaker E, Serwadda D, Price A, Oti S, Nyirenda MJ, Nabukalu D, Nyamukapa C, Nalugoda F, Mugurungi O, Mtenga B, Mills L, Michael D, McLean E, McGrath N, Martin E, Marston M, Maquins S, Levira F, Kyobutungi C, Kwaro D, Kasamba I, Kanjala C, Kahn K, Kabudula C, Herbst K, Gareta D, Eaton JW, Clark SJ, Church K, Chihana M, Calvert C, Beguy D, Asiki G, Amri S, Abdul R, Zaba B.

Int J Epidemiol. 2016 Feb;45(1):83-93. doi: 10.1093/ije/dyv343. Epub 2016 Mar 10. No abstract available.


Uptake of services for prevention of mother-to-child transmission of HIV in a community cohort in rural Tanzania from 2005 to 2012.

Gourlay A, Wringe A, Todd J, Cawley C, Michael D, Machemba R, Clark B, Masesa C, Marston M, Urassa M, Zaba B.

BMC Health Serv Res. 2016 Jan 6;16:4. doi: 10.1186/s12913-015-1249-6.


Challenges with routine data sources for PMTCT programme monitoring in East Africa: insights from Tanzania.

Gourlay A, Wringe A, Todd J, Michael D, Reniers G, Urassa M, Njau P, Kajoka D, Lema L, Zaba B.

Glob Health Action. 2015 Dec 28;8:29987. doi: 10.3402/gha.v8.29987. eCollection 2015.


Postpartum Contraception in Northern Tanzania: Patterns of Use, Relationship to Antenatal Intentions, and Impact of Antenatal Counseling.

Keogh SC, Urassa M, Kumogola Y, Kalongoji S, Kimaro D, Zaba B.

Stud Fam Plann. 2015 Dec;46(4):405-22. doi: 10.1111/j.1728-4465.2015.00040.x.


Associations between gestational anthropometry, maternal HIV, and fetal and early infancy growth in a prospective rural/semi-rural Tanzanian cohort, 2012-13.

Wilkinson AL, Pedersen SH, Urassa M, Michael D, Todd J, Kinung'hi S, Changalucha J, McDermid JM.

BMC Pregnancy Childbirth. 2015 Oct 29;15:277. doi: 10.1186/s12884-015-0718-6.


CHESS: an innovative concept for a new generation of population surveillance.

Sankoh O; INDEPTH Network.

Lancet Glob Health. 2015 Dec;3(12):e742. doi: 10.1016/S2214-109X(15)00180-1. Epub 2015 Oct 26. No abstract available.


Monitoring and switching of first-line antiretroviral therapy in adult treatment cohorts in sub-Saharan Africa: collaborative analysis.

Haas AD, Keiser O, Balestre E, Brown S, Bissagnene E, Chimbetete C, Dabis F, Davies MA, Hoffmann CJ, Oyaro P, Parkes-Ratanshi R, Reynolds SJ, Sikazwe I, Wools-Kaloustian K, Zannou DM, Wandeler G, Egger M; IeDEA southern Africa, east Africa, and west Africa.

Lancet HIV. 2015 Jul;2(7):e271-8. doi: 10.1016/S2352-3018(15)00087-9. Epub 2015 Jun 16.


Health & Demographic Surveillance System Profile: The Magu Health and Demographic Surveillance System (Magu HDSS).

Kishamawe C, Isingo R, Mtenga B, Zaba B, Todd J, Clark B, Changalucha J, Urassa M.

Int J Epidemiol. 2015 Dec;44(6):1851-61. doi: 10.1093/ije/dyv188. Epub 2015 Sep 24.


Understanding why people participate in HIV surveillance.

Zaba B, Reniers G, Slaymaker E, Todd J, Glynn J, Crampin A, Urassa M, Lutalo T, Newell ML, Hosegood V, Clark S, Gregson S.

Bull World Health Organ. 2015 May 1;93(5):356-7. doi: 10.2471/BLT.14.135756. No abstract available.


Risk factors for service use and trends in coverage of different HIV testing and counselling models in northwest Tanzania between 2003 and 2010.

Cawley C, Wringe A, Todd J, Gourlay A, Clark B, Masesa C, Machemba R, Reniers G, Urassa M, Zaba B.

Trop Med Int Health. 2015 Nov;20(11):1473-1487. doi: 10.1111/tmi.12578. Epub 2015 Aug 25.


Correlation of serum and dried blood spot results for quantitation of Schistosoma circulating anodic antigen: a proof of principle.

Downs JA, Corstjens PL, Mngara J, Lutonja P, Isingo R, Urassa M, Kornelis D, van Dam GJ.

Acta Trop. 2015 Oct;150:59-63. doi: 10.1016/j.actatropica.2015.06.026. Epub 2015 Jul 3.


Longitudinal analysis of mature breastmilk and serum immune composition among mixed HIV-status mothers and their infants.

Pedersen SH, Wilkinson AL, Andreasen A, Kinung'hi SM, Urassa M, Michael D, Todd J, Changalucha J, McDermid JM.

Clin Nutr. 2016 Aug;35(4):871-9. doi: 10.1016/j.clnu.2015.05.016. Epub 2015 Jun 3.


Factors associated with uptake of services to prevent mother-to-child transmission of HIV in a community cohort in rural Tanzania.

Gourlay A, Wringe A, Todd J, Cawley C, Michael D, Machemba R, Reniers G, Urassa M, Zaba B.

Sex Transm Infect. 2015 Nov;91(7):520-7. doi: 10.1136/sextrans-2014-051907. Epub 2015 Jun 4.


Mortality trends in the era of antiretroviral therapy: evidence from the Network for Analysing Longitudinal Population based HIV/AIDS data on Africa (ALPHA).

Reniers G, Slaymaker E, Nakiyingi-Miiro J, Nyamukapa C, Crampin AC, Herbst K, Urassa M, Otieno F, Gregson S, Sewe M, Michael D, Lutalo T, Hosegood V, Kasamba I, Price A, Nabukalu D, Mclean E, Zaba B; ALPHA Network.

AIDS. 2014 Nov;28 Suppl 4:S533-42. doi: 10.1097/QAD.0000000000000496.


Updates to the spectrum model to estimate key HIV indicators for adults and children.

Stover J, Andreev K, Slaymaker E, Gopalappa C, Sabin K, Velasquez C, Nakiyingi-Miiro J, Crampin A, Lutalo T, Herbst K, Gregson S, Urassa M.

AIDS. 2014 Nov;28 Suppl 4:S427-34. doi: 10.1097/QAD.0000000000000483. Review.


Cryptosporidium prevalence and risk factors among mothers and infants 0 to 6 months in rural and semi-rural Northwest Tanzania: a prospective cohort study.

Pedersen SH, Wilkinson AL, Andreasen A, Warhurst DC, Kinung'hi SM, Urassa M, Mkwashapi DM, Todd J, Changalucha J, McDermid JM.

PLoS Negl Trop Dis. 2014 Oct 2;8(10):e3072. doi: 10.1371/journal.pntd.0003072. eCollection 2014 Oct.


"It is like that, we didn't understand each other": exploring the influence of patient-provider interactions on prevention of mother-to-child transmission of HIV service use in rural Tanzania.

Gourlay A, Wringe A, Birdthistle I, Mshana G, Michael D, Urassa M.

PLoS One. 2014 Sep 2;9(9):e106325. doi: 10.1371/journal.pone.0106325. eCollection 2014.


The INDEPTH standard population for low- and middle-income countries, 2013.

Sankoh O, Sharrow D, Herbst K, Whiteson Kabudula C, Alam N, Kant S, Ravn H, Bhuiya A, Thi Vui L, Darikwa T, Gyapong M, Jasseh M, Chuc Thi Kim N, Abdullah S, Crampin A, Ojal J, Owusu-Agyei S, Odhiambo F, Urassa M, Streatfield K, Shimada M, Sacoor C, Beguy D, Derra K, Wak G, Delaunay V, Sie A, Soura A, Diallo D, Wilopo S, Masanja H, Bonfoh B, Phuanukoonnon S, Clark SJ.

Glob Health Action. 2014 Mar 27;7:23286. doi: 10.3402/gha.v7.23286. eCollection 2014.


Using HIV-attributable mortality to assess the impact of antiretroviral therapy on adult mortality in rural Tanzania.

Kanjala C, Michael D, Todd J, Slaymaker E, Calvert C, Isingo R, Wringe A, Zaba B, Urassa M.

Glob Health Action. 2014 Mar 20;7:21865. doi: 10.3402/gha.v7.21865. eCollection 2014.


The impact of voluntary counselling and testing services on sexual behaviour change and HIV incidence: observations from a cohort study in rural Tanzania.

Cawley C, Wringe A, Slaymaker E, Todd J, Michael D, Kumugola Y, Urassa M, Zaba B.

BMC Infect Dis. 2014 Mar 22;14:159. doi: 10.1186/1471-2334-14-159.


Adjusting the HIV prevalence for non-respondents using mortality rates in an open cohort in northwest Tanzania.

Tenu F, Isingo R, Zaba B, Urassa M, Todd J.

Trop Med Int Health. 2014 Jun;19(6):656-663. doi: 10.1111/tmi.12304. Epub 2014 Mar 21.


Does the Spectrum model accurately predict trends in adult mortality? Evaluation of model estimates using empirical data from a rural HIV community cohort study in North-Western Tanzania.

Michael D, Kanjala C, Calvert C, Pretorius C, Wringe A, Todd J, Mtenga B, Isingo R, Zaba B, Urassa M.

Glob Health Action. 2014 Jan 16;7:21783. doi: 10.3402/gha.v7.21783. eCollection 2014. Erratum in: Glob Health Action. 2014 Dec;7(1):24079.


Is the risk of HIV acquisition increased during and immediately after pregnancy? A secondary analysis of pooled HIV community-based studies from the ALPHA network.

Marston M, Newell ML, Crampin A, Lutalo T, Musoke R, Gregson S, Nyamukapa C, Nakiyingi-Miiro J, Urassa M, Isingo R, Zaba B.

PLoS One. 2013 Dec 26;8(12):e82219. doi: 10.1371/journal.pone.0082219. eCollection 2013.


Deciphering the complex distribution of human immunodeficiency virus type 1 subtypes among different cohorts in Northern Tanzania.

Njai HF, Ewings FM, Lyimo E, Foulongne V, Ngerageza D, Mongi A, Ssemwanga D, Andreasen A, Nyombi B, Ao T, Michael D, Urassa M, Todd J, Zaba B, Changalucha J, Hayes R, Kapiga SH.

PLoS One. 2013 Dec 11;8(12):e81848. doi: 10.1371/journal.pone.0081848. eCollection 2013.


The trade-off between accuracy and accessibility of syphilis screening assays.

Smit PW, Mabey D, Changalucha J, Mngara J, Clark B, Andreasen A, Todd J, Urassa M, Zaba B, Peeling RW.

PLoS One. 2013 Sep 16;8(9):e75327. doi: 10.1371/journal.pone.0075327. eCollection 2013.


Do accurate HIV and antiretroviral therapy knowledge, and previous testing experiences increase the uptake of HIV voluntary counselling and testing? Results from a cohort study in rural Tanzania.

South A, Wringe A, Kumogola Y, Isingo R, Manyalla R, Cawley C, Zaba B, Todd J, Urassa M.

BMC Public Health. 2013 Sep 4;13:802. doi: 10.1186/1471-2458-13-802.


Low rates of repeat HIV testing despite increased availability of antiretroviral therapy in rural Tanzania: findings from 2003-2010.

Cawley C, Wringe A, Isingo R, Mtenga B, Clark B, Marston M, Todd J, Urassa M, Zaba B.

PLoS One. 2013 Apr 23;8(4):e62212. doi: 10.1371/journal.pone.0062212. Print 2013.


The development and validation of dried blood spots for external quality assurance of syphilis serology.

Smit PW, van der Vlis T, Mabey D, Changalucha J, Mngara J, Clark BD, Andreasen A, Todd J, Urassa M, Zaba B, Peeling RW.

BMC Infect Dis. 2013 Feb 26;13:102. doi: 10.1186/1471-2334-13-102.

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