| an analytical comparison of fertility rate among women in beijing with different social and economic characteristics. | in beijing, the total fertility rate (tfr) fluctuated between 1.3 and 1.8 in the 1980s, and in 1989 it was 1.3. a preliminary survey of 10% of the city's population involved 1,086,000 people, including 299,700 women aged 15-50. samples of these women were used in group-specific comparisons of fertility rates in 1989. women in agricultural residence made up 43.2% of the total, whose tfr was 1.822, vs. 0.925 for women in nonagricultural residence. the average childbearing age for agricultural ... | 1993 | 12345187 |
| hepatitis b birth dose vaccination rates among children in beijing: a comparison of local residents and first and second generation migrants. | providing hepatitis b vaccine to all neonates within 24 hours of birth (timely birth dose, tbd) is the key preventative measure to control perinatal hepatitis b virus infection. previous chinese studies of tbd only differentiated between migrant and non-migrant (local-born generation-lg) children. our study is the first to stratify migrants in beijing into first generation migrants (fgm) and second generation migrants (sgm). based on a questionnaire survey of 2682 people in 3 beijing villages, w ... | 2016 | 27043864 |
| intraocular pressure vs intracranial pressure in disease conditions: a prospective cohort study (beijing icop study). | the correlation between intracranial pressure (icp) and intraocular pressure (iop) is still controversial in literature and hence whether iop can be used as a non-invasive surrogate of icp remains unknown. the aim of the current study was to further clarify the potential correlation between icp and iop. | 2012 | 22862817 |
| superspreading sars events, beijing, 2003. | superspreading events were pivotal in the global spread of severe acute respiratory syndrome (sars). we investigated superspreading in one transmission chain early in beijing's epidemic. superspreading was defined as transmission of sars to at least eight contacts. an index patient with onset of sars 2 months after hospital admission was the source of four generations of transmission to 76 case-patients, including 12 healthcare workers and several hospital visitors. four (5%) case circumstances ... | 2004 | 15030693 |