epidemiologic studies

Cardiovascular mortality of 40–69-year-olds in Sri Lanka from 1980 to 2010: a birth cohort analysis by age and sex
DTH De Silva, EDSM De Alwis, DM De Mel, AHD De Silva, TU Munasinghe, AR Wickremasinghe

BMJ Open May 2025, 15 (5) e094083; DOI: 10.1136/bmjopen-2024-094083
Optimising colorectal cancer screening strategies and target populations in budget-constrained regions through cost-effectiveness analysis: a case from eastern China
Hao Li, Yun Fu, Ao Xu, Peng Zhang, Weibing Wang

BMJ Open May 2025, 15 (5) e087216; DOI: 10.1136/bmjopen-2024-087216
Use of prescription opioids and other psychotropic drugs during pregnancy and their impact on the mother and developing child: protocol for a cohort study using linked administrative data from Manitoba and British Columbia, Canada
Deepa Singal, Lindsey Dahl, Marni Brownell, Colin Dormuth, James M Bolton, Jennifer E Enns, Ana Hanlon-Dearman, Alan Katz, Laurence Y Katz, Lauren E Kelly, Christine Leong, Kimberlyn McGrail, Nathan C Nickel, Chelsea Ruth, Matthew Dahl, Jason Kim, Dan Chateau

BMJ Open May 2025, 15 (5) e097657; DOI: 10.1136/bmjopen-2024-097657
Cohort profile: measuring adverse pregnancy and newborn congenital outcomes (MANGO) study in Kenya
John M Humphrey, Audrey Chepkemoi, Steven Brown, James G Carlucci, Molly McPheron, Caroline Kerich, Winnie Matelong, Harold Kooreman, Megan S McHenry, Caitlin Bernard, Marylydia Kiano, Beverly S Musick, Constantin T Yiannoutsos, Kara Wools-Kaloustian, Rena C Patel, Edwin Were

BMJ Open Apr 2025, 15 (4) e092430; DOI: 10.1136/bmjopen-2024-092430
Analysis of the disease burden of malignancies in the female reproductive system in China from 1990 to 2019: an age-period-cohort study and joinpoint analysis
Jiayi Li, Xinyu Zhao, Xiaoman Li, Kena Lin, Zhiwen Zeng, Zule Ning, Qinxian Liu, Huanwen Tang, Jinlin Du

BMJ Open Apr 2025, 15 (4) e081511; DOI: 10.1136/bmjopen-2023-081511
Effect of HPV integration on prognosis of young women with CIN2 in China: protocol for a multicentre prospective cohort study
Yuhang Zhang, Yan Zhang, Ting Hu, Xiaowen Pu, Binhua Dong, Xunyuan Tuo, Huachun Zou, Wei Zhang, Qiongying Lyu, Wenrong Huang, Huifeng Xue, Shuxia Xu, Kelvin Stefan Osafo, Yuan Ren, Wenyu Lin, Jue Su, Xiaoyuan Huang, Pengming Sun

BMJ Open Apr 2025, 15 (4) e093863; DOI: 10.1136/bmjopen-2024-093863
Is ambulance conveyance associated with distance to hospital and patient outcomes? A register-based cohort study in Region Zealand, Denmark, 2017–2022
Josefine Tangen Jensen, Thea Palsgaard Møller, Signe Amalie Wolthers, Stig Nikolaj Fasmer Blomberg, Annette Ersbøll, Helle Collatz Christensen

BMJ Open Apr 2025, 15 (4) e097283; DOI: 10.1136/bmjopen-2024-097283
Impact of antidiabetic medication type on a new episode of depression: a retrospective cohort study in Texas, USA
Lin-Na Chou, Mukaila A Raji, Holly M Holmes, Yong-Fang Kuo

BMJ Open Apr 2025, 15 (4) e087694; DOI: 10.1136/bmjopen-2024-087694
Association between herpes simplex virus 1 and dementia: a systematic review protocol
Alexander T Hong, Ivan Yun-Kuen Luu, Forest Lin, Arjun P Vij, Katherine A Lewis, Melissa L Wilson, Jeffrey D Klausner

BMJ Open Apr 2025, 15 (4) e088632; DOI: 10.1136/bmjopen-2024-088632
Effect modification and interaction between ethnicity and socioeconomic factors in severe COVID-19: analyses of linked national data for Scotland
Ronan McCabe, Eliud Kibuchi, Sarah Amele, Patricia Irizar, Aziz Sheikh, Karen Jeffrey, Igor Ruden, Colin R Simpson, Colin McCowan, Lewis Ritchie, Chris Robertson, Alastair H Leyland, Evangelia Demou, Anna Pearce, Srinivasa Vittal Katikireddi

BMJ Open Apr 2025, 15 (4) e092727; DOI: 10.1136/bmjopen-2024-092727

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