主要研究领域为心理、行为因素与健康的流行病学。主要研究方向包括以下几个方面：

（1）自杀/自伤预防的系统流行病学；

（2）精神障碍流行病学；

（3）行为方式如睡眠、运动、饮食等与心理健康；

（4）青少年心理健康。

一作或通讯论文：

1. Hu W, Zhao C-H, Huang YQ*, Liu BP*, Jia CX*: Grip strength, genetic predisposition, and Incident Parkinson’s disease: a prospective cohort study in the UK Biobank. npj Parkinson's Disease 2024, 10(1):191.

2. Shen ZZ, Zhu JH, Liu BP*, Jia CX*. The joint associations of physical activity and ultra-processed food consumption with depression: A cohort study in the UK Biobank. Journal of Affective Disorders, 2024, 367: 184-192.

3.  Zhu H, Shen ZZ, Liu BP*, Jia CX*. Replacement of sedentary behavior with various physical activities and the risk of incident depression: a prospective analysis of accelerator-measured and self-reported UK Biobank data. Social Psychiatry and Psychiatric Epidemiology, 2024.

4.  Hu W, Zhang WB, Liu BP*, Jia CX*. Associations and Mediating Pathways between Childhood Adversity and Risk of Dementia: A Cohort Study in the UK Biobank. Journals of Gerontology: Series A, Biological Sciences and Medical Sciences. 2024 May 9: glae121.

5.  Hu W, Liu BP*, Jia CX*. Association and biological pathways between lung function and incident depression: a prospective cohort study of 280,032 participants. BMC Medicine, 2024, 22(1): 160.

6. Liu BP, Huxley RR, Schikowski T, et al. Exposure to residential green and blue space and the natural environment is associated with a lower incidence of psychiatric disorders in middle-aged and older adults: findings from the UK Biobank. BMC Medicine, 2024, 22(1): 15.

7. Liu BP, Zhu J, Wan L, Zhao Z, Wang X, Jia C. The Impact of Physical Activity Intensity on the Dynamic Progression of Cardiometabolic Multimorbidity: Prospective Cohort Study Using UK Biobank Data. JMIR Public Health and Surveillance, 2023;9:e46991.

8. Liu BP, Jia CX. The associations of physical activity and lifetime depression with all-cause and cause-specific mortality: evidence from a prospective cohort study. Psychiatry Research. 2023, 324: 115206.

9. Zhu JH, Bo HH, Liu BP*, Jia CX*. The associations between DNA methylation and depression: A systematic review and meta-analysis. Journal of Affective Disorders. 2023; 327:439-50. 

10. Liu BP, Jia CX. Shift work schedule and sleep patterns in relation to incident depression: evidence from a prospective cohort study. Psychiatry Research. 2023, 321: 115076. 

11. Liu BP, Jia CX, Li SX. The association of weight control attempts with suicidality: The role of objective weight status and weight perception among adolescents of United States. Journal of Affective Disorders. 2023; 325: 369-377. 

12. Liu BP, Jia CX, Li SX. Soft drink consumption and depressive symptoms among the adolescents of United States: The mediating role of aggressive behaviors. Journal of Affective Disorders. 2022; 315:27-34.

13.  Liu BP, Qin P, Zhang J, et al. Suicide and non-suicide mortality and associated risk factors among suicide attempters: A 10-year follow-up of a large cohort in rural China. Journal of Psychiatric Research. 2022, 150:71-78. 

14. Liu BP, Qin P, and Jia CX. Associating factors of suicide and repetition following self-harm: A systematic review and meta-analysis of longitudinal studies. EClinicalMedicine. 2022, 49, July, 101461. (封面文章)

15. Liu BP, Jia CX, and Li SX. The Association of Soft Drink Consumption and the 24-Hour Movement Guidelines with Suicidality among Adolescents of the United States. Nutrients. 2022, 14(9): 1870. 

16. Liu BP#, Fang HJ#., Jia CX. The Serial Mediation of the Association between Breakfast Skipping and Suicidality by Weight Status and Depressive Symptoms: Findings from the National Youth Risk Behavior Surveys of the United States. Nutrients 2022, 14(5): 956. 

17. Liu BP, Lunde KB, Jia CX, Qin P. The short-term rate of non-fatal and fatal repetition of deliberate self-harm: A systematic review and meta-analysis of longitudinal studies. Journal of Affective Disorders 2020, 273:597-603. 

18. Liu BP, Wang XT, Liu ZZ, et al. Depressive symptoms are associated with short and long sleep duration: A longitudinal study of Chinese adolescents. Journal of Affective Disorders, 2020, 263: 267-273. 

19. Liu BP, Zhang J, Chu J, et al. Negative life events as triggers on suicide attempt in rural China: a case-crossover study. Psychiatry Research, 2019, 276: 100-106. 

20. Liu BP, Wang XT, Liu ZZ, et al. Stressful life events, insomnia, and suicidality in a large sample of Chinese adolescents. Journal of Affective Disorders, 2019, 249: 404-409. 

21.    刘宝鹏，贾存显等. 山东省农村居民生活事件精神刺激水平与自杀未遂的关联研究。中华预防医学杂志, 2019, 53 (9), 896-899. 

22. Liu BP, Qin P, Jia CX. Behavior Characteristics and Risk Factors for Suicide Among the Elderly in Rural China. The Journal of Nervous and Mental Disease. 2018, 206(3):195-201.

23.  Liu BP, Qin P., Liu YY, et al. Mental disorders, and suicide attempt in rural China. Psychiatry Research, 2018, 261: 190-196. 

24.  Liu BP, Wang XT, Jia CX. Suicide attempters with high and low suicide intent: Different populations in rural China. Psychiatry Research, 2017, 251,176-181. 

25.  Liu BP, Liu X, Jia CX. Characteristics of suicide completers and attempters in rural Chinese population. Comprehensive Psychiatry. 2016, 70:134-40.