Cross-Sectional Studies

Association between serum neurofilament light chain levels and grip strength among US adults: a cross-sectional study using National Health and Nutrition Examination Survey data from 2013 to 2014
Diliyaer Dilixiati, Kaisaierjiang Kadier, Bingzhang Qiao, Weijie Zhang, Daniyaer Nuerdebieke, Abudureheman Zebibula, Ying Yang, Mulati Rexiati

BMJ Open Apr 2025, 15 (4) e084766; DOI: 10.1136/bmjopen-2024-084766
Knowledge, attitude and practice of patients with ankle injury regarding osteochondral lesions of the talus: a cross-sectional study in Wuxi, China
Xueming Chen, Chang She, Xingfei Zhang, Wencheng Wang, Yuxuan Zhang

BMJ Open Apr 2025, 15 (4) e087402; DOI: 10.1136/bmjopen-2024-087402
Association between smoking status and changes in health behaviours during the COVID-19 lockdown: a cross-sectional study in Israel
Michael Cleiman, Yael Bar-Zeev

BMJ Open Apr 2025, 15 (4) e084651; DOI: 10.1136/bmjopen-2024-084651
Prevalence of functional disability and associated factors among older people in Vietnam: a secondary data analysis
Trang Thi Nguyen, Long Thanh Giang, Thu Dai Bui, Nam Truong Nguyen

BMJ Open Mar 2025, 15 (3) e093566; DOI: 10.1136/bmjopen-2024-093566
Awareness, perceptions and willingness to accept malaria vaccine for children under age 5 among mothers in Northcentral Nigeria: a cross-sectional study
Oludare Oladayo Alagbe, Rahamatu Shamsiyyah Iliya, Bosede Rotimi, Amos Solomon

BMJ Open Mar 2025, 15 (3) e091739; DOI: 10.1136/bmjopen-2024-091739
Sex-specific associations of serum short-chain fatty acids with glycaemic control: an Italian cross-sectional study in adults with type 1 diabetes
Jumana Abuqwider, Dominic Salamone, Giuseppe Scidà, Alessandra Corrado, Giuseppina Costabile, Delia Luongo, Giovanni Annuzzi, Angela Rivellese, Lutgarda Bozzetto

BMJ Open Mar 2025, 15 (3) e096994; DOI: 10.1136/bmjopen-2024-096994
Mediating and moderating roles of individual resilience, caring ability and social support: a cross-sectional study on the association between family resilience and caregiving burden among primary family caregivers of cancer patients in China
Shiying Huang, Ling Xin, Donglan Zheng, Hanqi Li, Liuhui Wang, Miaomiao Zhao, Jiao Xu, Jiahui Wang, Hang Yin, Yingnan Tian, Qunhong Wu, Huan Liu

BMJ Open Mar 2025, 15 (3) e093043; DOI: 10.1136/bmjopen-2024-093043
Knowledge, awareness and perception of Natural Procreative Technology (NaProTechnology) among pharmacy undergraduate students in Nigeria: a pre-post educational video intervention study
Adaobi Uchenna Mosanya, Eziamaka Pauline Ezenkwele, Fausta Chioma Emegoakor, Mmaduabuchi Okeh, Abdulmuminu Isah

BMJ Open Mar 2025, 15 (3) e089466; DOI: 10.1136/bmjopen-2024-089466
Prevalence and associated factors of caesarean section delivery: analysis from the Nepal Demographic and Health Survey 2022
Sudesh Pandit, Om Chandra Thasineku, Sujan Karki, Sushil Sharma

BMJ Open Mar 2025, 15 (3) e090209; DOI: 10.1136/bmjopen-2024-090209
Socioecological factors linked to co-occurring early childhood sleep health disparities and developmental outcomes: protocol for the sleep in preschoolers cross-sectional study
Eberechukwu A Uwah, Olivia Cicalese, Brizhay Davis, Megha Neelapu, Gabriel Steinberg, Arun Handa, Tiffani J Johnson, Jodi A Mindell, Wanjikũ F M Njoroge, Darko Stefanovski, Ignacio E Tapia, Rebecca Waller, Ariel A Williamson

BMJ Open Mar 2025, 15 (3) e100956; DOI: 10.1136/bmjopen-2025-100956

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