Broken windows theory Environmental intervention 1 High-density city 1 Hospital 1 Patient safety 1 Perceived safety 1 Physical disorder 1 Routine activities theory 1 Safety culture 1 Social disorder 1 Urban alley 1 Urban function 1 Vegetation 1 adult 1 analysis of variance 1 article 1 drug safety 1 exploratory research 1 female 1 human 1 linear regression analysis 1 major clinical study 1 male 1 multicenter study 1 patient safety 1 perception 1 pilot study 1 safety climate 1 safety culture 1 teamwork 1