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  • 1
    In: Journal of Biosocial Science, Cambridge University Press (CUP), Vol. 55, No. 1 ( 2023-01), p. 131-149
    Abstract: Antenatal care (ANC) and facility delivery are essential maternal health services, but uptake remains low in north-western Nigeria. This study aimed to assess the psychosocial influences on pregnancy and childbirth behaviours in Nigeria. Data were from a cross-sectional population-based survey of randomly sampled women with a child under 2 years conducted in Kebbi, Sokoto and Zamfara states of north-western Nigeria in September 2019. Women were asked about their maternal health behaviours during their last pregnancy. Psychosocial metrics were developed using the Ideation Model of Strategic Communication and Behaviour Change. Predicted probabilities for visiting ANC four or more times (ANC4+) and giving birth in a facility were derived using mixed-effects logistic regression models adjusted for ideational and socio-demographic variables. Among the 3039 sample women, 23.6% (95% CI: 18.0–30.3%) attended ANC4+ times and 15.5% (95% CI: 11.8–20.1%) gave birth in a facility. Among women who did not attend ANC4+ times or have a facility-based delivery during their last pregnancy, the most commonly cited reasons for non-use were lack of perceived need (42% and 67%, respectively) and spousal opposition (25% and 27%, respectively). Women who knew any ANC benefit or the recommended number of ANC visits were 3.2 and 2.1 times more likely to attend ANC4+ times, respectively. Women who held positive views about health facilities for childbirth had 1.2 and 2.6 times higher likelihood of attending ANC4+ times and having a facility delivery, respectively, while women who believed ANC was only for sickness or pregnancy complications had a 17% lower likelihood of attending ANC4+ times. Self-efficacy and supportive spousal influence were also significantly associated with both outcomes. To improve pregnancy and childbirth practices in north-western Nigeria, Social and Behavioural Change programmes could address a range of psychosocial factors across cognitive, emotional and social domains which have been found in this study to be significantly associated with pregnancy and childbirth behaviours: raising knowledge and dispelling myths, building women’s confidence to access services, engaging spousal support in decision-making and improving perceived (and actual) maternal health services quality.
    Type of Medium: Online Resource
    ISSN: 0021-9320 , 1469-7599
    Language: English
    Publisher: Cambridge University Press (CUP)
    Publication Date: 2023
    detail.hit.zdb_id: 2000009-1
    SSG: 12
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  • 2
    Online Resource
    Online Resource
    Cambridge University Press (CUP) ; 1989
    In:  Symposium - International Astronomical Union Vol. 134 ( 1989), p. 25-30
    In: Symposium - International Astronomical Union, Cambridge University Press (CUP), Vol. 134 ( 1989), p. 25-30
    Abstract: The APM QSO survey is a quantitative survey aimed at finding a large sample (∼ 1000) of QSOs using broadly-based selection criteria applied to machine-scanned UK Schmidt Telescope direct and objective-prism plates. The survey is currently entering its third year and, as of August 1988, the sample consists of ∼ 700 QSOs with m J ≥ 18.75 in the range 0.2 ≤ z ≤ 3.3. Preliminary analysis suggests that the sample is relatively free of the selection effects endemic to most QSO surveys based on slitless spectroscopy.
    Type of Medium: Online Resource
    ISSN: 0074-1809
    Language: English
    Publisher: Cambridge University Press (CUP)
    Publication Date: 1989
    SSG: 16,12
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  • 3
    In: Public Health Nutrition, Cambridge University Press (CUP), Vol. 24, No. 4 ( 2021-03), p. 651-664
    Abstract: Adolescent girls are at risk for both macro- and micronutrient deficiencies affecting growth, maternal and child health. This study assessed the impact of an adolescent-girl-tailored nutritional education curriculum on nutritional outcomes, including knowledge, dietary behaviour, anthropometry and anaemia. Design: A cluster-randomised evaluation was conducted with two study arms: girls in mentor-led weekly girls’ groups receiving sexual and reproductive health and life-skills training assigned to an age-appropriate nutritional curriculum and control girls in the weekly girls’ groups without the nutritional education. The primary analysis was intent-to-treat (ITT) generalised least squares regression. Secondary analysis using two-stage, instrumental-variables estimation was also conducted. Setting: The intervention and evaluation were conducted in urban and rural areas across four of ten provinces in Zambia. Participants: In total, 2660 girl adolescents aged 10–19 years were interviewed in 2013 (baseline) and annually through 2017. Results: ITT results indicate that exposure to the nutritional educational programme did not meaningfully change outcomes for adolescents or their children. Intervention adolescents were no more likely to correctly identify healthy foods ( P = 0·51) or proper infant-feeding practices ( P = 0·92); were no less likely to be stunted ( P = 0·30) or underweight ( P = 0·87) and no less likely to be anaemic ( P = 0·38). Outcomes for children of intervention participants were not improved, including being breastfed ( P = 0·42), stunted ( P = 0·21), wasted ( P = 0·77) or anaemic ( P = 0·51). Conclusions: Even a high-quality nutritional educational intervention tailored to adolescents within an empowerment programme does not assure improved nutritional outcomes; adolescent preferences, resource control and household dynamics require consideration in the context of nutritional educational programmes.
    Type of Medium: Online Resource
    ISSN: 1368-9800 , 1475-2727
    Language: English
    Publisher: Cambridge University Press (CUP)
    Publication Date: 2021
    detail.hit.zdb_id: 2016337-X
    SSG: 21
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  • 4
    Online Resource
    Online Resource
    Cambridge University Press (CUP) ; 1996
    In:  Symposium - International Astronomical Union Vol. 173 ( 1996), p. 241-246
    In: Symposium - International Astronomical Union, Cambridge University Press (CUP), Vol. 173 ( 1996), p. 241-246
    Abstract: The degree of microlensing induced amplification is dependent upon the size of a source. As quasar spectra consist of the sum of emission from different regions this scale dependent amplification can produce spectral differences between the images of a macrolensed quasar. This paper presents the first direct spectroscopic evidence for this effect, providing a limit on the scale of the continuum and the broad line emission regions at the center of a source quasar (2237+0305). Lack of centroid and profile differences in the emission lines indicate that substructure in the broad emission line region is 〉 0.05 parsecs.
    Type of Medium: Online Resource
    ISSN: 0074-1809
    Language: English
    Publisher: Cambridge University Press (CUP)
    Publication Date: 1996
    SSG: 16,12
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  • 5
    Online Resource
    Online Resource
    Cambridge University Press (CUP) ; 1995
    In:  International Astronomical Union Colloquium Vol. 148 ( 1995), p. 458-469
    In: International Astronomical Union Colloquium, Cambridge University Press (CUP), Vol. 148 ( 1995), p. 458-469
    Abstract: Schmidt telescopes have, for some three decades, provided one of the most important sources of data for studies of the quasar population at all wavelengths. In the 1980s the combination of Schmidt telescope plate material and automated scanning machines such as COSMOS and APM allowed a new generation of projects to be undertaken, the results from which are largely responsible for our present understanding of the evolution of the optically–selected quasar population. The digitisation of photographic plates coupled with the computer–based selection of candidate quasars has meant that quantitative calculation of survey selection functions can be accomplished. The first results from surveys with such selection functions are beginning to appear, and progress is being made in constraining the form of the evolution of the quasar luminosity function at high–redshifts, a regime where there has been much disagreement over the nature of evolution. The (still) unique wide–field capability of Schmidt telescopes, coupled with the application of analysis techniques developed using the automated scanning machines, will ensure that Schmidt telescopes continue to make an important contribution to quasar–astronomy over the next ten years.
    Type of Medium: Online Resource
    ISSN: 0252-9211
    Language: English
    Publisher: Cambridge University Press (CUP)
    Publication Date: 1995
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  • 6
    Online Resource
    Online Resource
    Cambridge University Press (CUP) ; 1996
    In:  Symposium - International Astronomical Union Vol. 173 ( 1996), p. 381-386
    In: Symposium - International Astronomical Union, Cambridge University Press (CUP), Vol. 173 ( 1996), p. 381-386
    Abstract: Recent results at high redshifts are briefly reviewed. An analysis of the evolution of the quasar luminosity function based on the recently published Hawkins & Véron (1995) variability-selected quasar sample is presented. The results support the conclusions of earlier work that suggested the simple two power law luminosity function, of invariant shape as a function of redshift, requires some modification in order to match the data. However, the contention of Hawkins & Véron that a single power law model provides an adequate fit to the variability-selected quasar sample and that there is no requirement for curvature in the form of the quasar luminosity function is not borne out by the analysis.
    Type of Medium: Online Resource
    ISSN: 0074-1809
    Language: English
    Publisher: Cambridge University Press (CUP)
    Publication Date: 1996
    SSG: 16,12
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