Table 2 The one day lag regression model exploring air pollution effects on social conflict (Ln) of monkeys in Nanjing Hongshan Zoo in China.

Intercept

4.573

0.109

42.091

0.000

0.853

Visitor

0.010

0.003

3.407

0.001

0.032

Weather—sunny or cloudy

0.139

0.092

1.512

0.131

0.007

Weather—overcast or light rain

0.104

0.091

1.141

0.255

0.004

Weather—heavy rain

0^a

–

–

–

–

Temperature 1 day lag—≤ 10 °C

0.065

0.076

0.847

0.398

0.002

Temperature 1 day lag—10–14 °C

0.073

0.075

0.969

0.333

0.003

Temperature 1 day lag—15–19 °C

0.095

0.074

1.287

0.199

0.005

Temperature 1 day lag—20–24 °C

0.229

0.077

2.974

0.003

0.025

Temperature 1 day lag—25–29 °C

0.239

0.071

3.343

0.001

0.031

Temperature 1 day lag—30–34 °C

0.162

0.074

2.177

0.030

0.013

Temperature 1 day lag—≥ 35 °C

0^a

–

–

–

–

AQI 1 day lag

0.001

0.000

1.553

0.121

0.007