主要研究领域为行为心理流行病学。主要研究方向包括以下几个方面：

（1）行为方式如睡眠、运动、饮食等与心理健康；

（2）青少年行为心理健康；

（3）神经、精神疾病、自杀自伤行为的系统流行病学。

1.Hu W, Gao LJ, Liu TS, Tian G, Wang JN, Ma YB, Zheng ZA, Feng TJ, Niu XX, Yan YN, Liu BP*, Jia CX*. Physical frailty, genetic risk, mediating biomarkers, and risk of suicide attempt: A prospective cohort study. PLoS Medicine 2026, 23(4):e1005045.

2.Jia XY, Wang JY, Liu C, Jia CX*, Liu BP*. Metabolomics revealed novel associations between multiple ambient air pollutants exposure and substance use disorders: Evidence from a prospective cohort study. Psychiatry Research 2026, 361:117124.

3.Hu W, Liu TS, Shen ZZ, Tian G, Jia CX*, Liu BP*. Triglyceride–glucose index, genetic predisposition, and incident depression: a prospective cohort study from the UK Biobank. Psychological Medicine 2026, 56:e90.

4.Hu W, Zhang T, Jia CX*, Xue F*, Liu BP*. Interaction between physical frailty and sleep quality on risk of migraine in later life: a cohort study of over 350,000 participants. BMC Public Health 2025, 25(1):3705.

5.Hu W, Tian G, Wang JN, Ma YB, Zheng ZA, Feng TJ, Niu XX, Yan YN, Liu BP*, Jia CX*: Intrinsic Capacity Defined Using 4 Domains, Genetic Risk, and Incident Parkinson Disease. Neurology 2025, 105(8):e214144.

6.Gao SR, Xue MY, Yang L, Ji-Ke XH, Song CS, Jia XH, Liu BP*. Associations of media use behaviors by types and content with sleep problems in Chinese adolescents. Sleep Medicine 2025, 133:106653.

7.Hu W, Shen Z, Tian G, Liu B*, Jia C*: Associations of clinical biomarker-based biological aging with suicide attempts and suicidal ideation: evidence from 124,529 UK Biobank participants. Translational Psychiatry 2025, 15(1):204.

8.Hu W, Liu TS, Shen ZZ, Tian G, Wang JN, Zhao ZY, Liu BP*, Jia CX*: Composite lifestyle, genetic risk, blood biomarkers, and risk of suicide attempts: a prospective cohort study. Brain, Behavior, and Immunity 2025.

9.Hu W, Zhao CH, Wang JN, Shen ZZ, Tian G, Huang YQ*, Liu BP*, Jia CX*. Association of Life’s Essential 8 with incidence of heart failure modified by depressive symptoms: a prospective cohort study from UK Biobank. BMC Medicine 2025, 23(1):175.

10.Wang JN, Hu W, Liu BP*, Jia CX*: Associations between shift work and biological age acceleration: A population-based study. GeroScience 2025.

11.Tian G, Yao ZY, Hu W, Shen ZZ, Liu BP*, Jia CX*: Timing of physical activity, genetic predisposition, and incident depression: An accelerometer-based prospective cohort study. Journal of Affective Disorders 2025, 376:131-138.

12.Feng TJ, Hu W, Shen ZZ, Wang JN, Liu BP*, Jia CX*: Associations of green and blue space and the natural environment with suicidal ideation: The role of psychiatric disorders. Environmental research 2025, 269:120861.

13.Hu W, Zhao CH, 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.

14.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.

15.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.

16.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.

17.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.

18.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.

19.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.

20.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.

21.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. 

22.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. 

23.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. 

24.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.

25.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. 

26.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)

27.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. 

28.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. 

29.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. 

30.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. 

31.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. 

32.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. 

33.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. 

34.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.

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

36.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. 

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