Table 5.

Univariate non-parametric linear regression for ¹³⁷Cs aggregated transfer factor [T_ag (m²/kg)] and year in Japanese monkeys captured in Fukushima Prefecture in 2011–2020 (n = 1459)

Year	Effect	95% CI			P-value
2011	Reference
2012	− 0.00675	− 0.01103	to	− 0.00248	0.002
2013	− 0.00841	− 0.01268	to	− 0.00415	< 0.0001
2014	− 0.00891	− 0.01318	to	− 0.00465	< 0.0001
2015	− 0.00937	− 0.01364	to	− 0.00510	< 0.0001
2016	− 0.00888	− 0.01315	to	− 0.00461	< 0.0001
2017	− 0.00940	− 0.01368	to	− 0.00513	< 0.0001
2018	− 0.00945	− 0.01372	to	− 0.00518	< 0.0001
2019	− 0.00938	− 0.01365	to	− 0.00511	< 0.0001
2020	− 0.00934	− 0.01360	to	− 0.00507	< 0.0001

CI, confidence interval