4.8 Article

Non-occupational exposure to pesticides and health markers in general population in Northern Finland: Differences between sexes

Journal

ENVIRONMENT INTERNATIONAL
Volume 156, Issue -, Pages -

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.envint.2021.106766

Keywords

Pesticides; Non-occupational exposure; Biological markers; Endocrine disrupting chemicals; General population; Finland

Funding

  1. European Union [825762]
  2. Academy of Finland [24300796, 24302031, 285547]
  3. Medical Research Council (MRC) UK [G0601653]
  4. Biotechnology and Bio-logical Sciences Research Council [MR/S03658X/1]
  5. Yrjod Jahnsson Foundation
  6. Padivikki and Sakari Sohlberg Foundation
  7. University of Oulu [65354]
  8. Oulu University Hospital [2/97, 8/97]
  9. Ministry of Health and Social Affairs [23/251/97, 160/97, 190/97]
  10. National Institute for Health and Welfare, Helsinki Grant [54121]
  11. Regional Institute of Occupational Health, Oulu, Finland [50621, 54231]

Ask authors/readers for more resources

In a Finnish cohort study, non-occupational overall pesticide exposure, length of exposure and specific pesticides were found to be associated with multiple biological markers of health, indicating adverse effects of pesticides and the need for further research to replicate findings and determine underlying mechanisms.
Background: Occupational exposure to pesticides has been reported among general population worldwide. However, little is known about the associations between non-occupational exposure to pesticides, and biological markers of health and their response by sex. Objectives: We aimed to assess the associations between non-occupational overall pesticide exposure, length of exposure and specific pesticides reported with 35 biological markers of health representing cardiometabolic, haematological, lung function, sex hormones, liver and kidney function profiles, and vitamin D in Finnish cohort. Methods: 31-year cross-sectional examination of the Northern Finland Birth Cohort 1966 provided blood samples for biomarker measurements in 1997-1998. Number of subjects varied between 2361 and 5037 for given ex-posures and certain outcome associations. Multivariable regression analyses were performed to examine asso-ciations between overall pesticide exposure (OPE), length of pesticide exposure in months (PEM), in years (PEY), and specific pesticides use (PEU) or not with cardiometabolic [SBP, DBP, TC, LDL, HDL, triglycerides, fasting glucose, insulin, HOMA-IR, HOMA-B, HOMA-S, hs-CRP], hematological [WBC, RBC, Hb, HCT, MCV, MCH, MCHC, platelets], lung function (FVC, FEV1), sex hormones [luteinizing hormone (LH), testosterone (TT), sex-hormone binding globulin (SHBG)], liver and kidney function profiles [total protein, albumin, globulin, ALP, ALT, GGT, urea, creatinine], and vitamin D adjusting for sex, BMI, socioeconomic position (SEP) and season of pesticide use. Results: This cohort study on up to 5037 adults with non-occupational OPE, PEM, PEY and PEU differed by sex and SEP. In regression analyses, all the exposures were positively associated with total cholesterol and low-density lipoprotein cholesterol, and PEU was negatively associated with high-density lipoprotein cholesterol in females. OPE and PEM were positively associated with haematocrit in females and PEU with platelets in males. PEU was negatively associated with mean corpuscular haemoglobin. OPE and PEM were positively associated with LH in males. OPE was negatively associated with total protein and albumin in males. Discussion: In Finnish young adults, non-occupational overall pesticide exposure, length of exposure and specific pesticides were associated with multiple biological markers of health. The biological markers seem to be indicative of adverse effects of pesticides and warrant for further studies to replicate the findings and determine the underlying mechanisms.

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