Research Article
Socioeconomic and demographic predictors of high blood pressure, diabetes, asthma and heart disease among adults engaged in various occupations: evidence from India
- Sunita Patel, Usha Ram, Faujdar Ram, Surendra Kumar Patel
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- Published online by Cambridge University Press:
- 24 October 2019, pp. 629-649
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In India, non-communicable diseases (NCDs) accounted for nearly 62% of all deaths in 2016. Four NCDs – high blood pressure, diabetes, asthma and heart disease – together accounted for over 34% of these deaths. Using data from two rounds of the India Human Development Surveys (IHDSs), levels and changes in the prevalence rates of the four NCDs (based on diagnosed cases) among adults aged 15–69 years in India between 2004–05 and 2011–12 were examined by socioeconomic and demographic factors and for five broad occupation categories. The socioeconomic and demographic risk factors for each of these NCDs were determined using multiple linear logistic regression analysis of pooled data from two rounds of the IHDS. The results showed that while urban residence, age, female sex and education were associated with higher odds of high blood pressure, diabetes and heart disease, household economic status was associated with higher odds for all four NCDs. Furthermore, increased higher odds of high blood pressure, diabetes and heart disease were found for the legislator/senior official/professional occupation group compared with non-workers. Skilled agricultural/elementary workers had lower odds of high blood pressure, diabetes, asthma and heart disease. Craft/machine-related trade workers had higher odds of high blood pressure and diabetes, and reduced odds of asthma and heart disease. Compared with non-workers, the odds ratios for asthma were lower for all other occupational categories. During the two study decades, the Government of India implemented several programmes designed to improve the health and well-being of its people. However, more focused attention on the adult population is needed, and special attention should be paid to the issue of the occupational health of the working population through the strict implementation of work place safety protocols and the removal of potential health hazards.
Abortion among married young women: findings from a community-based study in Rajasthan and Uttar Pradesh, India
- A. J. Francis Zavier, K. G. Santhya, Shireen J. Jejeebhoy
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- Published online by Cambridge University Press:
- 14 November 2019, pp. 650-663
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Abortion service provision has changed noticeably in the recent past and medication abortion currently accounts for four-fifths of all induced abortions taking place in India. How these changes have modified abortion experiences among young women – a group known to be more disadvantaged than adult women – remains unanswered. This paper fills this gap and examines the experiences of married young abortion seekers, including pre-abortion decision-making, abortion seeking and experiences of the procedure, and post-abortion complications. Data were drawn from a community-based survey of 4952 married young women aged 15–24 years conducted in Uttar Pradesh and Rajasthan in 2015. The study focused on 166 young women who had an induced abortion in the two years before the survey, and used descriptive statistics to describe their abortion experiences. Seventy-four per cent of abortion seekers had relied on medication abortion and 47% had obtained it over the counter without a physician’s prescription. Moreover, 90% accessed abortion services from private facilities, including drug sellers. A small proportion (4%) had undergone abortion in the second trimester of pregnancy. At the same time, 13% reported multiple abortion attempts; 17% underwent dilation and curettage; and 52% experienced self-reported complications, including 5% who experienced moderate to severe complications. The findings call for greater attention to providing contraceptive counselling and services to married young women, ensuring abortion services in public health facilities and exploring mechanisms to improve drug sellers’ knowledge and practices in providing medication abortion.
Do birds of a feather flock together? Factors for religious heterogamy
- Martin Fieder, Alexander Schahbasi, Susanne Huber
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- Published online by Cambridge University Press:
- 14 November 2019, pp. 664-680
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Social cohesion – particularly with regard to the integration of migrants – is primarily measured in terms of education, labour market participation, unemployment, income levels and poverty. When seen from a historical long-term perspective (considering the migrations of Homo sapiens in the past 300,000 years) admixture merged members of diverse groups and forged – in addition to social ties – ‘strong biological ties’ of kinship, proposing that religious heterogamy is a long-term layer of social cohesion. Accordingly, this study investigated, on the basis of more than 600,000 men and women aged 26–35 years from Austria 2001, Germany (West) 1987, Ireland 2011, Portugal 2011, Romania 2011 and Switzerland 2000, which demographic characteristics foster religious heterogamy, controlling for various confounding factors using linear mixed modelling. By far the most important factor explaining religious heterogamy was the share of adherents to an individual’s religious group in their area of residence. It can be concluded that the rate of intermarriage declines with the increasing size of an individual’s religious group in their area of residence. From a long-term perspective the lack of familial ties (and conjoint offspring) between religious groups could lead to a lack of social cohesion.
Linkage in stunting status of siblings: a new perspective on childhood undernutrition in India
- Kajori Banerjee, Laxmi Kant Dwivedi
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- Published online by Cambridge University Press:
- 11 November 2019, pp. 681-695
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Almost 30% of the world’s stunted children reside in India. This study examined sibling linkage in childhood stunting by assessing the extent of clustering of stunted children born to the same mother. Data were taken from 225,002 children under the age of five from the Indian National Family and Health Survey (NFHS)-4 conducted in 2015–16. States with high fertility and lower socioeconomic development displayed higher clustering of childhood stunting among siblings. Simulating removal of this clustered burden showed an almost 10 percentage point reduction in stunting in India. Multinomial regression analysis highlighted that the propensity to have multiple stunted births was higher among less-educated women, scheduled caste/tribes and poor households. The multilevel model results indicated that the odds of stunting for the index child increased by 1.93 if the older sibling was stunted. The odds of the index child being stunted if the previous child was stunted were high, irrespective of the differences in state-level public health performances and political commitments. Although socioeconomic correlates play a crucial role in determining child stunting status, they also act as proxies for poor-quality intra-generational health. Clustering of stunting among siblings is an indicator of both genetic and environmental association with the height-for-age (HAZ) of children. Mothers with repeated stunted births should be prioritized and monitored over a substantial part of their lives. Inclusion of multiple child beneficiaries in nutrition policies and revisiting the ‘one size fits all’ concept at the micro level, owing to the substantial village/ward-level variation, might be an effective policy measure.
Parental education, health literacy and children’s adult body height
- Ewa Jarosz, Alexi Gugushvili
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- Published online by Cambridge University Press:
- 14 November 2019, pp. 696-718
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Human anthropometric traits, while significantly determined by genetic factors, are also affected by an individual’s early life environment. An adult’s body height is a valid indicator of their living conditions in childhood. Parental education has been shown to be one of the key covariates of individuals’ health and height, both in childhood and adulthood. Parental functional literacy has been demonstrated to be another important determinant of child health, but this has largely been overlooked in studies on height. The objective of this study was to analyse the associations between parents’ education, their functional literacy and their children’s adult body height. The study used data for 39,240 individuals from the 2016 wave of the nationally representative Life in Transition Survey (LITS) conducted in 34 countries in Southern and Eastern Europe, the Middle East and Central Asia. Using linear and Poisson models, regression adjustment treatment estimators and multilevel mixed-effects linear regressions, the study analysed the links between mother’s and father’s educational attainment, parental functional literacy, measured by the number of books in the childhood home, and children’s adult height. The models also included other individual and contextual covariates of height. The results demonstrated that mother’s educational attainment and parental functional literacy have independent associations with children’s adult body height. Sufficient literacy skills of the parent may have a positive effect on children’s growth even if parental education is low. These associations remained significant across time. The study also provides evidence of a widening of the height gap for men born in the period just before and after systemic transition in post-socialist societies, which may suggest an increase in social differences in early living standards.
Characteristics of men who engage in cross-generational sexual behaviour in Nigeria
- Christiana A. Alex-Ojei, Nicole de Wet, Lorretta F. C. Ntoimo
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- Published online by Cambridge University Press:
- 07 November 2019, pp. 719-733
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Cross-generational sexual relationships are a major route of transmitting HIV and STI between older and younger generations. However, previous research has focused mainly on the young women in these relationships. This study examined the characteristics of men engaging in non-marital sexual relationships with girls aged 15–19 in Nigeria. The data were drawn from the 2013 Nigeria Demographic and Health Survey, and the analysis was restricted to a sub-sample of 7557 men aged 30–49 who were sexually active in the 12 months prior to the survey. Data analysis was carried out using frequency distributions, chi-squared tests of association and binary logistic regression. It was found that 9.5% of men aged 30–49 reported engaging in cross-generational sexual relationships. Also, being older (OR = 0.35), married (OR = 0.37), having secondary or higher education (OR = 0.70; 0.59) and having sexual debut between ages 18 and 30 (OR = 0.73) were associated with a lower likelihood of having cross-generational sexual relationships. However, Muslim men (OR = 2.10), men from Igbo (OR = 1.90), Hausa/Fulani (OR = 8.47) and Northern and Southern minority tribes (OR = 4.73; 2.49), men living in rural areas (OR = 1.34), men who were over the age of 30 at sexual debut (OR = 2.67) and those with 2–4 and 5 or more lifetime sexual partners (OR = 1.43; 1.58) were significantly more likely to engage in cross-generational sexual relationships. Addressing the challenges of cross-generational sexual relationships can be an effective strategy to reduce the menace of HIV and STI transmission. Men who have low education, those aged 30–34 years, those who initiated sex at an older age, rural dwellers and those who have had several lifetime sexual partners need to be targeted while designing and implementing programmes and policies to reduce cross-generational sexual relationships in Nigeria. These interventions must also take into account the religious and cultural attitudes towards cross-generational sexual relationships, and further investigations should identify men’s motives for engaging in the practice.
Educational level and its relationship with body height and popliteal height in Chilean male workers
- Carlos Viviani, Héctor Ignacio Castellucci, Pedro Arezes, Ángelo Bartsch, Sara Bragança, Johan F. M. Molenbroek, Marta Martínez, Verónica Aparici
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- Published online by Cambridge University Press:
- 25 November 2019, pp. 734-745
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A secular trend in body height has been experienced in many nations and populations, hypothesized to be the result of better living conditions. Educational level has been shown to be closely associated with body height. This study examined the changes in body height and popliteal height in a group of adult Chilean male workers by age cohort and the relationship of these with educational level. The body heights and popliteal heights of 1404 male workers from the Valparaíso and Metropolitan regions of Chile were measured in 2016. The sample was grouped by level of education (primary, secondary, technical and university) and age (21–30, 31–40 and 41–50 years). Robust ANOVA and post-hoc analyses using a one-step modified M-estimation of location were conducted based on bootstrap resampling. Both body height and popliteal height increased from the older to the younger age cohort. The largest increase was from the 41–50 to the 21–30 group, with a 1.1% increase in body height and 1.7% increase in popliteal height. When educational level was introduced into the analysis there was a marked increase in both body height and popliteal height for each cohort, but only in primary- and secondary-educated workers. Despite showing an overall increase in body height and popliteal height, younger workers with the highest levels of education showed fewer differences between them than did older workers with less education. The differences were larger in the older than in the younger cohorts. Similarly, this trend was less clear in workers with higher levels of education (technical and university), probably because of a dilution effect caused by increased access to higher education by workers in the lower income quintiles.
Has the long-predicted decline in consanguineous marriage in India occurred?
- Nutan Kumari, Alan H. Bittles, Prem Saxena
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- Published online by Cambridge University Press:
- 06 December 2019, pp. 746-755
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To an extent the question posed in the title of this paper can simply be answered in the affirmative. Based on the extensive data available from the National Family Health Survey-1 (NFHS-1) conducted in 1992–93 and NFHS-4 in 2015–16 there has been a significant overall decline of some 19% in the prevalence of consanguineous marriage in India. However, when examined at state level the picture is more complex, with large reductions in consanguinity in southern states where intra-familial marriage previously has been strongly favoured, whereas in some northern states in which close kin unions traditionally have been proscribed small increases were recorded. In a country such as India, comprising an estimated 18% of the current world population and with multiple ethnic, religious, geographical and social sub-divisions, apparently contrary findings of this nature are not unexpected – especially given the major shifts that are underway in family sizes, in education and employment, and with rapid urbanization. The changing health profile of the population also is an important factor, with non-communicable diseases now responsible for a majority of morbidity and premature mortality in adulthood. The degree to which future alterations in the prevalence and profile of consanguineous marriage occur, and at what rate, is difficult to predict – the more so given the markedly diverse cultural identities that remain extant across the Sub-Continent, and ongoing intra-community endogamy.
Examining the link between religiousness and fitness in a behavioural ecological framework
- Janko Međedović
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- Published online by Cambridge University Press:
- 26 November 2019, pp. 756-767
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In recent years there have been attempts to explain religiousness from an evolutionary viewpoint. However, empirical data on this topic are still lacking. In the present study, the behavioural ecological theoretical framework was used to explore the relations between religiousness, harsh environment, fitness (reproductive success and parental investment) and fitness-related outcomes (age at first birth, desired number of children and the romantic relationship duration). The data were collected from 461 individuals from a community sample who were near the end of their reproductive phase (54% females, Mage = 51.75; SD = 6.56). Positive links between religiousness, harsh environment, fitness and fitness-related outcomes were expected, with the exception of age at first birth, for which a negative association was hypothesized. Hence, the main assumption of the study was that religiousness has some attributes of fast life-history phenotypes – that it emerges from a harsh environment and enables earlier reproduction. The study findings partially confirmed these hypotheses. Religiousness was positively related to environmental harshness but only on a zero-order level. Religious individuals had higher reproductive success (this association was especially pronounced in males) but religiousness did not show associations with parental investment. Religiousness was positively associated with desired number of children and negatively associated with age at first birth, although the latter association was only marginally significant in the multivariate analyses. Finally, path analysis showed that desired number of children and age at first birth completely mediated the relation between religiousness and reproductive success. The data confirmed the biologically adaptive function of religiousness in contemporary populations and found the mediating processes that facilitate fitness in religious individuals. Furthermore, the findings initiate a more complex view of religiousness in a life-history context which could be fruitful for future research: a proposal labelled as ‘ontogeny-dependent life-history theory of religiousness’.
Prevalence and pattern of consanguineous marriage among educated married individuals in Riyadh
- Samira M. Mahboub, Alanoud A. Alsaqabi, Noura A. Allwimi, Dana N. Aleissa, Basmah A. Al-Mubarak
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- Published online by Cambridge University Press:
- 29 November 2019, pp. 768-775
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Consanguineous marriage is preferred in many countries, especially by Muslims. Despite the increasing education rate in Saudi Arabia, the prevalence of consanguineous marriage does not seem to be decreasing as quickly as expected. The present study aimed to investigate the current prevalence of consanguineous marriage among educated married adults in Riyadh and to determine the factors favouring it. The cross-sectional study was conducted in 2017–18 using an online questionnaire. A total of 550 questionnaires were sent to married adults of both sexes and 417 responded, giving a response rate of 75.8%. The questionnaire consisted of two parts: the first section asked for demographic data such as age, sex, educational level, residential area and family size. The second part was about consanguineous marriage and its degree if present, family history of consanguineous marriage and level of awareness of its potential negative impact on offspring. It was found that the prevalence of consanguineous marriage among the participating educated adults was 39.8% and most of these were married to a first cousin. Neither level of education nor age affected the likelihood of consanguineous marriage, but predictors for the practice among the educated participating adults were having a family history of consanguineous marriage, having consanguineous parents and having a personal preference for consanguineous marriage. In conclusion, the prevalence of consanguineous marriage among educated adults in Riyadh was still high in 2018, especially among first-cousin relatives, and this was related to family history and personal preference rather than educational level or age. It is recommended that further research is conducted to assess the level of knowledge about, and attitude towards, consanguineous marriage among adults in Saudi Arabia.
Reproductive efficiency in the developing world
- John Ross, Anrudh K Jain
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- Published online by Cambridge University Press:
- 20 February 2020, pp. 776-784
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This study proposes a measure of reproductive losses starting from conception to age 15 as an assessment of childbearing ‘efficiency’. It is suggested that losses are due to miscarriages, abortions, stillbirths and deaths to age 15. Data were drawn from various sources for seven regions embracing 129 developing countries. Mortality is an important loss in severely disadvantaged regions, especially in sub-Saharan Africa, but the abortion rates are lower there. This is reversed in the more advanced regions, where mortality is low but abortion rates are higher. Total losses numerically depend upon the rates in combination with the numbers of conceptions. The general ‘efficiency’ in moving from conception to a surviving child aged 15 was estimated. The abortion component of wastage has apparently not improved over time, but the mortality component has done so. Abortion rates are found to drive reproductive efficiency downwards; but efficiency is positively correlated with contraceptive use once abortion is controlled for. This implies that as efficiency is improved more couples gain confidence to turn to contraceptive use to avoid unplanned pregnancies and births.