Table 2 Relative risk of daily mortality associated with an increase of 100 nW/cm²/sr of daily LAN in 579 Chinese counties, 2015–2019, by subgroup

All-cause

1.05 (1.01, 1.10)

1.09 (1.06, 1.13)

1.07 (1.03, 1.11)

1.09 (1.06, 1.12)

External

1.07 (0.97, 1.18)

1.05 (0.95, 1.16)

1.10 (0.96, 1.25)

1.07 (0.98, 1.16)

Natural

1.06 (1.02, 1.10)

1.09 (1.06, 1.13)

1.07 (1.03, 1.11)

1.09 (1.06, 1.13)

Neuron system disease

1.82 (1.36, 2.45)

1.32 (1.12, 1.56)

1.50 (1.22, 1.85)

1.41 (1.15, 1.73)

Digestive system disease

1.39 (1.16, 1.66)

1.24 (1.08, 1.42)

1.21 (1.02, 1.44)

1.33 (1.15, 1.55)

Urinary system disease

1.26 (0.95, 1.66)

1.44 (1.19, 1.74)

1.35 (1.06, 1.72)

1.37 (1.12, 1.69)

Cancer

1.13 (1.07, 1.18)

1.10 (1.04, 1.17)

1.14 (1.07, 1.21)

1.11 (1.05, 1.17)

Cardiovascular disease

1.08 (1.01, 1.15)

1.08 (1.04, 1.12)

1.06 (1.01, 1.11)

1.10 (1.05, 1.15)

Respiratory system disease

1.01 (0.86, 1.20)

1.09 (1.03, 1.15)

1.12 (1.02, 1.22)

1.06 (0.98, 1.13)

P for post hoc test

0.51

0.89