Energy Research Abstracts
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Page : 496 pages
File Size : 11,15 MB
Release : 1988
Category : Power resources
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Author :
Publisher :
Page : 496 pages
File Size : 11,15 MB
Release : 1988
Category : Power resources
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Author :
Publisher :
Page : 956 pages
File Size : 18,50 MB
Release : 1988
Category : Highway engineering
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Author :
Publisher :
Page : 552 pages
File Size : 33,11 MB
Release : 1989
Category : Government publications
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Author :
Publisher :
Page : 258 pages
File Size : 33,33 MB
Release : 1988
Category : Automobiles
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Author :
Publisher :
Page : 52 pages
File Size : 39,54 MB
Release : 1983
Category : Highway research
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Author : Gerry E. Hendershot
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Page : 982 pages
File Size : 16,30 MB
Release : 1988
Category : Birth control
ISBN : 9780840602220
The 1982 statistics on the use of family planning and infertility services presented in this report are preliminary results from Cycle III of the National Survey of Family Growth (NSFG), conducted by the National Center for Health Statistics. Data were collected through personal interviews with a multistage area probability sample of 7969 women aged 15-44. A detailed series of questions was asked to obtain relatively complete estimates of the extent and type of family planning services received. Statistics on family planning services are limited to women who were able to conceive 3 years before the interview date. Overall, 79% of currently mrried nonsterile women reported using some type of family planning service during the previous 3 years. There were no statistically significant differences between white (79%), black (75%) or Hispanic (77%) wives, or between the 2 income groups. The 1982 survey questions were more comprehensive than those of earlier cycles of the survey. The annual rate of visits for family planning services in 1982 was 1077 visits /1000 women. Teenagers had the highest annual visit rate (1581/1000) of any age group for all sources of family planning services combined. Visit rates declined sharply with age from 1447 at ages 15-24 to 479 at ages 35-44. Similar declines with age also were found in the visit rates for white and black women separately. Nevertheless, the annual visit rate for black women (1334/1000) was significantly higher than that for white women (1033). The highest overall visit rate was for black women 15-19 years of age (1867/1000). Nearly 2/3 of all family planning visits were to private medical sources. Teenagers of all races had higher family planning service visit rates to clinics than to private medical sources, as did black women age 15-24. White women age 20 and older had higher visit rates to private medical services than to clinics. Never married women had higher visit rates to clinics than currently or formerly married women. Data were also collected in 1982 on use of medical services for infertility by women who had difficulty in conceiving or carrying a pregnancy to term. About 1 million ever married women had 1 or more infertility visits in the 12 months before the interview. During the 3 years before interview, about 1.9 million women had infertility visits. For all ever married women, as well as for white and black women separately, infertility services were more likely to be secured from private medical sources than from clinics. The survey design, reliability of the estimates and the terms used are explained in the technical notes.
Author : Library of Congress. Exchange and Gift Division
Publisher :
Page : 852 pages
File Size : 22,6 MB
Release : 1988
Category : State government publications
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June and Dec. issues contain listings of periodicals.
Author : Ken Skorseth
Publisher :
Page : 112 pages
File Size : 44,2 MB
Release : 2000
Category : Gravel roads
ISBN :
The purpose of this manual is to provide clear and helpful information for maintaining gravel roads. Very little technical help is available to small agencies that are responsible for managing these roads. Gravel road maintenance has traditionally been "more of an art than a science" and very few formal standards exist. This manual contains guidelines to help answer the questions that arise concerning gravel road maintenance such as: What is enough surface crown? What is too much? What causes corrugation? The information is as nontechnical as possible without sacrificing clear guidelines and instructions on how to do the job right.
Author :
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Page : 444 pages
File Size : 27,81 MB
Release : 1988
Category : Government publications
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Author :
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Page : 54 pages
File Size : 33,36 MB
Release : 1983
Category : Highway research
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