Fertility Measurements

生育率测量
  • DOI:
    文章类型: Journal Article
    Survey findings pointing to the worsening health situation for children in Kenya that were highlighted during the National Dissemination Seminar for the 1998 Kenya Demographic and Health Survey (KDHS). The survey indicates that currently, 1 in 9 Kenyan children does not live to his or her 5th birthday. Under-five mortality stands at 112 deaths per 1000 live births, a 24% increase over the last decade. The high prevalence of childhood mortality is associated with a short preceding birth interval, a low level of maternal education, and rural location (under-five mortality is 23% higher in rural than in urban areas). Moreover, the risk of children dying varies greatly across provinces. A comparison between the results of the 1993 and 1998 KDHS also indicates recent setbacks in the fight against vaccine preventable diseases. Full vaccination coverage has fallen from 79% in 1993 to 65% in 1998. One of the more positive findings is the continuing decline in total fertility rate from 8.1 children per woman in the mid-1970s to current levels of 4.7 children per woman. In addition, knowledge and use of family planning has continued to rise in Kenya. Lastly, participants in the seminar also discussed the need for further dissemination of findings and further analysis of projects.
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  • DOI:
    文章类型: Journal Article
    这项研究分析了尼日利亚已婚妇女的生育偏好或期望的家庭规模和相关特征。研究人群包括20-49岁的已婚妇女。关于生育率的数据,所需的家庭规模,和计划生育来自1990年进行的尼日利亚人口和健康调查。调查结果显示,只有36%的人对计划生育问题给出了数字答复,而63%的人放弃了对上帝的回应。大多数尼日利亚妇女对大家庭(至少有6个孩子)有很高的偏好,但这在社会经济群体之间差异很大。只有18%的已婚妇女希望停止生育,由于严重的经济困难,远高于之前调查的5%。终止生育的愿望受到几个变量的影响,包括结婚和调查期间妇女的年龄,种族,教育水平,避孕批准和婚姻稳定。该研究揭示了对孩子的渴望与所需家庭规模之间的高度一致性。对生育偏好和避孕药具使用的分析表明,两者之间存在统计学上的显着关系。因此,有必要加强有关生育控制的知识和教育,并促进避孕方法的普及。
    This study analyzes fertility preferences or desired family size and related characteristics of married women in Nigeria. Study population included married women aged 20-49 years. The data on fertility, desired family size, and family planning were derived from the Nigeria Demographic and Health Survey conducted in 1990. Findings of the survey indicate that only 36% gave numerical responses to the question on family planning, while 63% gave ¿up to God¿ responses. Most Nigerian women have a high preference for a large family size (at least 6 children), but this varies considerably among socioeconomic groups. Only 18% of married women desire to cease childbearing, much higher than the 5% in previous survey due to severe economic hardships. The desire to terminate childbearing is subjected to several variables including age of women at marriage and during survey, ethnicity, educational level, contraceptive approval and marital stability. The study reveals a high level of consistency between desire for children and the desired family size. The analysis on fertility preferences and contraceptive use indicates a statistically significant relationship exists between the two. Therefore, there is a need to enhance the knowledge and education on fertility control and promote contraceptive accessibility.
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  • 文章类型: Journal Article
    本研究考察了金融中介对生育率和劳动力分配决策的影响。使用三个感兴趣变量的面板向量自回归模型,具体来说,金融中介,生育力,87个国家的工业就业数据,估计。这种方便的方法允许变量之间的关系随时间变化。研究结果表明,工资的增加导致一些家庭从传统的劳动密集型生产方式转向现代部门公司。由于现代部门的家庭生育较少是最佳选择,因此劳动力分配决定导致国民生育率降低。此外,结果表明,金融中介部门的出现和发展将增加现代部门的就业并降低总生育率。因此,金融中介过程是整个发展过程的重要组成部分。
    This study examines the influence of financial intermediation on fertility rate and labor allocation decisions. A panel Vector Autoregression model using three variables of interest, specifically, financial intermediation, fertility, and industrial employment data in 87 countries, was estimated. This convenient methodology allows the relationship between the variables to change over time. Findings indicate that the increase in wages led some households to shift from traditional labor intensive methods of production to modern sector firms. Since it is optimal for households in the modern sector to have fewer children then the labor allocation decision leads to a lower national fertility. Furthermore, results imply that the emergence and development of the financial intermediation sector will enhance modern sector employment and lower total fertility rates. Thus, the financial intermediation process is an important part of the overall developmental process.
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  • DOI:
    文章类型: Journal Article
    This article presents an overview of the population estimates and projections of the UN for total fertility rates (TFRs), contraceptive prevalence rates, infant mortality rates (IMRs), and life expectancy at birth (LEAB) in West Africa. Countries with a good potential to reach a TFR of 4 children or less within 10-15 years are Cote d\'Ivoire, Ghana, Nigeria, and perhaps Gambia and Guinea, while the TFRs of countries such as Niger and Mali will remain above 5 in the coming decade. Low contraceptive prevalence is one of the reasons behind the slow progress in attaining low fertility levels in the subregion. When basing the data on this indicator, it appears that only Ghana and Cape Verde will attain the target of 20% by the year 2000 and 40% by the year 2010. Moreover, IMRs will continue to decline, but none of the West African countries will reach the quantitative objectives set in the Dakar/Ngor Declaration (DND) and in the International Conference on Population and Development Programme of Action (ICPD-PA). Similarly, considerable improvements will be seen in the LEAB during the next decade, but, with the exception of Cape Verde and Ghana, none of the other countries are expected to come close to the goals set in the DND and ICPD-PA.
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  • DOI:
    文章类型: Journal Article
    This paper investigates the fertility patterns of adolescent and older women in the Pacific Island countries. Using the age-specific fertility rate for females aged 15-19 years old, an attempt to measure the overall rate of fertility pattern among adolescents was made. It was observed that adolescent fertility has declined over the years in the Pacific Island countries at a time when overall fertility was declining for all women, particularly in Polynesia. Another determinant for fertility pattern includes the rate of childbearing among older women. Although a decrease in childbearing rate was noted, fertility among women 35 years and older remain significantly higher compared with adolescents. Despite these extensive problems, the public sector and the nongovernmental organizations have neglected to address the unmet needs of these women. Several reasons have been mentioned that has caused the problem, which include: inconvenience or unsatisfactory services; ignorance or lack of information; and the unavailability of reliable contraceptive methods and services. This report suggests the need to implement programs aimed at addressing the unmet needs of fecund older women in current and future reproductive health and family planning programs.
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  • 文章类型: Journal Article
    围产期死亡率是指在生命的第一周内发生的死产和死亡。全世界每年有700万人死亡。几乎都在发展中国家。发展中国家的死亡率高达75-100人/1000人。围产期死亡的三个主要原因是早产并发症,出生窒息和产伤,和细菌感染。由于发展中国家难以记录死胎,围产期死亡的其他原因在很大程度上是未知的。在许多发展中国家社会,在文化上,在出生后的第一周幸存下来之前承认出生是不可接受的。这项研究确定并量化了Manikganj地区农村社区围产期死亡的危险因素,孟加拉国。病例是婴儿在围产期死亡的母亲,而相比之下,母亲是那些在围产期存活下来的婴儿。在记录的186例婴儿死亡中,130例(69.9%)在围产期,包括53例死产。围产期死亡率为64.5/1000例。Logistic回归证实,孕产妇年龄,奇偶校验,和表现异常与围产期死亡显著相关。Mal表现与围产期死亡风险增加独立相关。
    Perinatal mortality refers to stillbirths and deaths which occur during the first week of life. 7 million such deaths occur annually worldwide, almost all of which are in developing countries. Rates as high as 75-100 deaths/1000 births have been documented in developing countries. The 3 leading causes of perinatal mortality are complications of pre-term birth, birth asphyxia and birth trauma, and bacterial infections. The other causes of perinatal mortality are largely unknown due to difficulties in documenting stillbirths in developing countries. In many developing country societies, it is culturally unacceptable to acknowledge a birth until it has survived its first week of life. This study identified and quantified the risk factors for perinatal deaths in a rural community in Manikganj district, Bangladesh. Cases were mothers whose infants died in the perinatal period, while comparison mothers were those whose infants survived the perinatal period. Of the 186 infant deaths recorded, 130 (69.9%) were in the perinatal period, and included 53 stillbirths. The perinatal death rate was 64.5/1000 births. Logistic regression confirmed that maternal age, parity, and mal-presentation were significantly associated with perinatal deaths. Mal-presentation was independently associated with a increased risk of perinatal death.
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  • DOI:
    文章类型: English Abstract
    人口统计,这应该是规划任何计划或项目的基础,传统上一直被哥伦比亚政府忽视。哥伦比亚没有征服前时期的人口统计数据。殖民时代的统计数据是基于土地划分的人口统计,税收,和类似的考虑。第一次人口普查是在1770年左右进行的。哥伦比亚最近的人口普查是在1993年,另一次正在为2000年做准备。尽管普查在完整性和准确性方面存在重大限制,但对发展目的很有用。哥伦比亚1997年的人口估计为40,300,000,使其成为仅次于巴西和墨西哥的拉丁美洲第三大人口大国。自1965年以来,生育率大幅下降。哥伦比亚的粗出生率被认为在18世纪和19世纪超过了50/1000,拉丁美洲人口中心估计在20世纪上半叶为45/1000。1968年的粗出生率为41.3/1000,1973年为33.1/1000,1980年为30/1000,1990年和1995年为26/1000。总生育率估计为1960-65年为7.0,1969年为6.7,1973年为4.5,1985年为3.2,1995年为2.9。在1975年之前,生育率下降幅度最大,但农村和城市地区以及所有地理区域的生育率继续下降。就整个哥伦比亚而言,受教育程度低于5年的妇女的总生育率为4.8,8年或8年以上的妇女的总生育率为2.4。城市为2.7,农村为4.4。
    Demography, which should be the basis for planning of any program or project, has traditionally been ignored by Colombian governments. No population statistics are available for the pre-Conquest period in Colombia. Statistics during the Colonial era were based on population counts for division of lands, taxation, and similar considerations. The first census was undertaken around 1770. Colombia\'s most recent census was in 1993, and another is being prepared for 2000. The censuses have been useful for development purposes despite their significant limitations of completeness and accuracy. Colombia\'s population in 1997 was estimated at 40,300,000, making it the third most populous country of Latin America after Brazil and Mexico. Fertility has declined considerably since 1965. Colombia\'s crude birth rate is believed to have exceeded 50/1000 in the 18th and 19th centuries and was estimated at 45/1000 by the Latin American Demographic Center for the first half of the 20th century. The crude birth rate was 41.3/1000 in 1968, 33.1/1000 in 1973, 30/1000 in 1980, and around 26/1000 in 1990 and 1995. The total fertility rate was estimated at 7.0 in 1960-65, 6.7 in 1969, 4.5 in 1973, 3.2 in 1985, and 2.9 in 1995. Fertility declined most appreciably before 1975, but rates continue to drop in rural as well as urban areas and in all geographic zones. For Colombia as a whole the total fertility rate is 4.8 for women with less than 5 years of schooling and 2.4 for those with 8 or more years. It is 2.7 in urban and 4.4 in rural areas.
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  • DOI:
    文章类型: Journal Article
    About half of the almost 1 million US teenagers who become pregnant each year carry their pregnancies to term and give birth. However, after years of steady increases, teen birthrates in the US are lower and pregnancy rates have fallen to their lowest level in 20 years. Teenage sexual activity is also declining. Over the period 1991-96, the birthrate in the US among teens declined from the 20-year high of 62.1 births/1000 females aged 15-19 to 54.4/1000. This 12% decline comes after a 24% increase in the birthrate between 1986 and 1991. Declines in the teen birthrate were observed for the nation overall, as well as in each state, ranging from 6% in Alabama to 29% in Alaska. The teen birthrate among Blacks declined 21% to reach a record low of 91.4/1000 in 1996, while the rate for Hispanic teens barely changed during 1991-95, but eventually declined 5% during 1995-96 to 101.8/1000. The birthrate among non-Hispanic White teens declined 9% during the period to 48.1/1000, while the birthrate for teens aged 15-17 fell 13% during the period and 9% for 18-19 year olds. Pregnancy rates among women aged 15-19 years declined 14% between 1990 and 1995, to 101.1/1000, the lowest level since the mid-1970s. Although researchers are unsure why teen pregnancy and birthrates have fallen, recent survey data suggest that the declines have occurred because both fewer teens are having sex and more sexually active adolescents are using contraception.
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  • 文章类型: Journal Article
    \"This paper employs a longitudinal data set from the Philippines to estimate a structural model of the determinants of infant mortality. To control for the endogeneity of some explanatory variables, a set of reduced form equations for these outcomes is estimated simultaneously with the mortality hazard. A non-parametric discrete factor method is used to control for common unobservable factors in the error terms. Birth interval and parity lose explanatory power once biological measures are considered in the model. The results indicate significant correlations across the equations\' error terms. The significant effects of breastfeeding and growth on mortality are quantified in simulation experiments.\" The data are from a longitudinal survey conducted in metropolitan Cebu between 1983 and 1986.
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  • DOI:
    文章类型: Journal Article
    Population trends in the Netherlands in 1997 are briefly reviewed. \"Due to an increase in the numbers of births and immigrants and a decrease in the numbers of deaths, emigrants and (negative) administrative corrections, population growth in 1997 (83 thousand) was higher than in 1996 (73 thousand). The increased number of births is assumed to be related to the economic situation in the Netherlands.... The number of deaths in 1997 was lower than in 1996. This decline is assumed to be a temporary fluctuation around an increasing trend.... The number of immigrants with Dutch nationality grew faster than the number of non-Dutch immigrants.\" (EXCERPT)
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