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Fig. 2 | Environmental Health

Fig. 2

From: The association between ambient temperature and preterm birth in Shenzhen, China: a distributed lag non-linear time series analysis

Fig. 2

Three-D plot of RR along temperature and lags for PTB with reference at 24.5 °C by DLNM method (Panel a is for all preterm births; b is for male preterm births; c is female preterm births; d is for preterm births with maternal age of 15-19 years; e is for preterm births with maternal age of 20-34 years; f is for preterm births with maternal age of 35-49 years; g is for vaginal delivered preterm births; and h is for cesarean section preterm births)

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Environmental Health

ISSN: 1476-069X