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Table 4 Association between sleep issues and CEI levels from different adjusted models among plastic greenhouse vegetable farmers from Yinchuan, China, 2015–2017

From: Relationship between cumulative exposure to pesticides and sleep disorders among greenhouse vegetable farmers

Model Sleep duration (Short vs. Optimal)a Sleep duration (Long vs. Optimal) a Self-rated sleep qualityb Hypnotic drug usec Trouble falling asleepb
OR 95% CI OR 95% CI OR 95% CI IRR 95% CI OR 95% CI
Empty Model
 Medium vs. Low 1.32 0.89–1.96 1.03 0.74–1.43 1.37 1.04–1.81 0.57 0.24–1.38 1.64 1.14–2.38
 High vs. Low 1.69 1.16–2.48 0.85 0.60–1.20 2.46 1.87–3.24 0.37 0.13–1.04 1.82 1.26–2.63
Full Model
 Medium vs. Low 1.31 0.87–1.99 1.04 0.73–1.49 1.48 1.10–2.00 0.43 0.14–1.32 1.52 1.02–2.24
 High vs. Low 1.56 1.02–3.38 1.11 0.76–1.64 2.5 1.83–3.40 0.49 0.19–1.24 1.74 1.16–2.62
  1. Note: a: Parameter derived from multinomial logistic regression; b: Parameter derived from ordinal logistic regression; c: Parameter estimated by poisson regression
  2. IRR: incidence-rate ratios