Yunze Liu, Hong Ren, Yanbin Pei, Leilei Shen, Juntang Guo, Jian Zhou, Chengrun Li, Yang Liu
Development of a CT-Based comprehensive model combining clinical, radiomics with deep learning for differentiating pulmonary metastases from noncalcified pulmonary hamartomas, a retrospective cohort study
International journal of surgery (London, England)
paper exploits state health education hed reforms quasinatural experiments estimate causal impact hed received children parents physical activity use data panel study income dynamics period 19992005 merged data state hed reforms national association state boards education health policy database 2000 2006 school health policies programs study identify spillover effects hed requirements parents behavior use several methodologies triple differences changes changes difference differences allow different types treatments find positive effect hed reforms elementary school probability parents light physical activity introducing major changes hed increases probability fathers engaging physical activity 63 137 percentage points whereas average probability mothers seem affected analyze several heterogeneous impacts hed reforms unveil mechanisms behind spillovers find evidence consistent hypotheses gender specialization parents childcare activities information sharing children parents