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. 2021 Oct 23;206:112272. doi: 10.1016/j.envres.2021.112272

Table 4.

Results of piecewise linear regression.

(1)
(2)
(3)
(4)
MT < −7 MT ≥ -7 RH < 46 RH ≥ 46
MT −0.0011
(0.0014)
−0.0049***
(0.0013)
RH −0.0002
(0.0006)
−0.0019***
(0.0004)
Observations 1541 11,014 1087 11,468
R-squared 0.036 0.043 0.026 0.044
Control Variables YES YES YES YES
Time Trend YES YES YES YES
Province FE YES YES YES YES
Time FE YES YES YES YES

Standard errors in parentheses, ***p < 0.01, **p < 0.05, *p < 0.1.