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

BMC Public Health

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

Model	Sleep duration (Short vs. Optimal)^a		Sleep duration (Long vs. Optimal) ^a		Self-rated sleep quality^b		Hypnotic drug use^c		Trouble falling asleep^b
Model	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

Note: ^a: Parameter derived from multinomial logistic regression; ^b: Parameter derived from ordinal logistic regression; ^c: Parameter estimated by poisson regression
IRR: incidence-rate ratios

ISSN: 1471-2458