Table 4:

Description and weight of studies selected for the current meta-analyses.

Study (Author, Year)	Case No. (Exp/Tot)	Exposure Category	Risk Estimatea (95% CI)	Weightb
				AHS 2018	AHS 2005
AHS Cohort
Andreotti et al. [24]	55/575	≥2610 d/I c,d	1.12 (0.83, 1.51)e	54.04	--
De Roos (2005) [19]	22/92	≥337.2 d/Ic	0.8 (0.5, 1.4)f	--	28.43
Case-Control
De Roos (2003) [15]	36/650	Ever, log	2.10 (1.10, 4.00)	11.61	18.08
Eriksson et al. [16]	17/910	>10 d/y	2.36 (1.04, 5.37)	7.18	11.18
Hardell et al. [17]	8/515	Ever	1.85 (0.55, 6.20)	3.30	5.14
McDuffie et al. [42]	23/517	>2 d/y	2.12 (1.2, 3.73)	15.05	23.43
Orsi et al. [18]	12/244	Ever	1.0 (0.5, 2.2)	8.82	13.73

Abbreviations: AHS, Agricultural Health Study; d, days; exp, exposed; I, lifetime; log, logistic regression; tot, total; y, year.

^aRelative risk (RR) reported in both AHS analyses and odds ratio (OR) reported in all case-control studies.

^bWeight given to each study in the fixed effects model.

^cIntensity-weighted lifetime exposure days (cumulative exposure days multiplied by intensity score)

^d20 years or more lag (time between study recruitment and NHL onset).

^eReference group is unexposed

^fReference group is lowest exposed