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Consumption of iron-rich foods among adolescent girls in Nepal: Identifying behavioural determinants

By Ajay Acharya, Pooja Pandey Rana, Bhim Kumari Pun and Basant Thapa

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Ajay Acharya is a Family Planning Specialist for the USAID-funded Suaahara II programme1. He holds a Masters of Public Health from Hebrew University of Jerusalem and has over five years’ experience in nutrition, health quality improvement, family planning, health system strengthening and maternal and child health.

Pooja Pandey Rana is Deputy Chief Party for the Suaahara II programme and has almost 20 years’ experience in multi-sector nutrition programming in Nepal.

Bhim Kumari Pun is a Senior Integrated Nutrition Programme Manager for the Suaahara II programme. She has 25 years of experience in nutrition, newborn and child health and community-based approaches and holds a Masters of Public Health from Hebrew University of Jerusalem, Israel.

Basant Thapa is a Family Planning Advisor for the Suaahara II programme. He has over 25 years’ experience in public health in different organisations.

The authors acknowledge Suaahara II/USAID for overall research support. They also acknowledge Kenda Cunningham, Senior Technical Advisor for Suaahara II, for her review, guidance and support in the development of this paper and Suaahara II district office in Kapilvastu, Nepal’s District Health Office in Kapilvastu, and Suaahara II field supervisors for support in data collection and field work. The authors would also like to thank Shalini Suresh, Femila Sapkota, Subash Yogi and Indra Dhoj Kshetri for their support in conceptualising the analysis, draft writing and field work.

The findings, interpretations and conclusions in this article are those of the authors. They do not necessarily reflect the views of USAID and should not be attributed to them.

Location: Nepal

What we know: There are very high rates of iron-deficiency anaemia among adolescent girls in Nepal, which has negative health consequences, particularly during adolescent pregnancy.

What this article adds: A 2017 study in Nepal investigated barriers and enablers of iron-rich food consumption among teenage girls in Kapilvastu, a terai (plains district) of Nepal. Ninety-four adolescent girls (mean age 15 years) were interviewed using a semi-structured questionnaire; participants were assigned to either a ‘doer’ (n=46), or a ‘non-doer’ (n=48) group, based on 24-hour recall of eating or not eating iron-rich foods. Most girls in both groups (91 per cent of doers and 92 per cent of non-doers) perceived that a main facilitator for the consumption of iron-rich foods was the availability of green leafy vegetables at home. Half of non-doers perceived that the lack of availability of iron-rich foods at home makes it more difficult to consume iron-rich food, significantly more than non-doers. Significantly more non-doers than doers (p=0.002) perceived family income to be important (although only 19 per cent reported this). There were significant differences in perceptions between doers and non-doers regarding advantages of eating iron-rich foods (physical growth and development, source of energy and protection from disease). Both groups would benefit from nutrition education to address misconceptions. Parental support in consuming iron-rich foods, particularly from mothers, was perceived as important in both groups, suggesting that other household members, especially mothers, should be included in nutrition education programmes. 

 Introduction

The World Health Organization (WHO) estimates that 29 per cent of all women of reproductive age and 38 per cent of pregnant women worldwide are anaemic, half of whom have iron-deficiency anaemia (WHO, 2011). In Nepal, 41 per cent of women aged 15 to 49 years and nearly half of all pregnant women suffer from anaemia (NDHS, 2016). Adolescent girls are particularly vulnerable to anaemia due to menstrual blood loss, the demands of pubertal growth, vulnerability to infection and worm infestation, and reliance on iron-poor, staple crop-based diets (WHO, 2011a). An estimated 43 per cent of adolescent girls (aged 15-19 years) are anaemic in Nepal (NDHS, 2016), with prior studies conducted in Nepal and India showing even higher prevalence in this age group (50 per cent to 90 per cent). Iron deficiency in adolescents is associated with lowered attentiveness, memory, school performance, school attendance and learning retention; stunted physical growth; delayed onset of menarche; increased morbidity from infection; and reduced physical capacity and work performance (WHO, 2011a). Anaemia during pregnancy increases the risk of fetal mortality and morbidity; low birth weight (LBW); and overall infant mortality, the risk of which is increased further in adolescent pregnancy (WHO, 2011a).

Adequate iron consumption in young girls can improve cognitive performance and iron stores for later pregnancies (WHO, 2016). The Ministry of Health (MoH) in Nepal recently introduced a weekly iron and folic acid (IFA) distribution programme to adolescent girls in 12 of its 77 districts. Nutrition education can improve compliance in such programmes and education on diet and the importance of consumption of iron-rich foods can complement supplementation. To inform this, it is important to identify behavioural determinants (barriers and enablers) among those who consume iron-rich foods (‘doers’) and those who do not (‘non-doers’) within this age group. This study investigates barriers and enablers of iron-rich food consumption among doer and non-doer adolescent girls in Nepal to provide this valuable information to policy makers, planners and implementers of such programmes. 

Women discussing iron rich orange fleshed sweet potato with a community health volunteer, Prasiddha, 2017Methods

Cross-sectional data were collected in January and February 2017 from one terai district (Kapilvastu) in Nepal. A questionnaire was developed using standard guidelines (Kittle, 2013) and translated into Nepali. Sixteen data collectors were trained for two days on its use. Enumerators were also given a set of food cards each (pictorial cards displaying local iron-rich foods) to aid interviews. Kapilvastu was selected because of its rich cultural, linguistic and ethnic/caste diversity. The district has a population of almost half a million, including more than 100,000 adolescents, of whom about 50 per cent are females (CBS Nepal, 2011). Multi-stage sampling was used and eight different communities were selected for data collection, based on geographical location (north, south, east and west) and participants were recruited voluntarily. In Kapilvastu, one municipality and seven village development committees (VDCs) were selected. Within selected VDCs and municipalities, eighteen wards (the smallest geographical unit in Nepal) were selected for study inclusion.

Each enumerator collected data from three respondents per day in the adolescents’ own homes. The first participant was purposively selected by the female community health volunteer (FCHV) and the others were recruited by the first (snowball sampling). During the interview participants were assigned to one of two groups, doer or non-doer. A doer was defined as an adolescent girl who reported having eaten iron-rich foods in the 24 hours prior to the interview. A non-doer was defined as an adolescent girl who reported not having eaten any iron-rich foods in the 24 hours prior to the interview. Data were collected from all 94 adolescent girls approached for interview (46 doers and 48 non-doers) through face-to-face, in-depth, semi-structured interviews.

Each interview lasted up to 30 minutes; results were recorded on paper and coded the same day. To ensure consistency of reporting, coding took place in groups of enumerators through group discussion. Responses were compiled and analysed on an Excel barrier analysis tabulation sheet and in SPSS version 23.0.

Results

The analysis identified key factors that explain the differences between adolescents who consumed iron rich-foods on the previous day and those who did not. The mean age of respondents was 15 years and respondents ate three times on the previous day on average. Tables 1 and 2 provide summary information for the barrier and facilitator constructs generated from the data. Important findings were:  

  • A high proportion of doers (91 per cent) and non-doers (92 per cent) perceived that access to green leafy vegetables at home would make it easier for them to consume iron-rich foods; significantly more non-doers than doers perceived that greater family income would make it easier to consume iron-rich foods (p=0.002, 19 per cent difference), although the actual number of non-doers reporting this was low (19 per cent).
  • Half of non-doers perceived that the lack of availability of iron-rich foods at home makes it more difficult to consume iron-rich food (significantly more than non-doers; p=0.042, 20 per cent difference).
  • There were significant differences between the two groups in their perceptions of the advantages of eating iron-rich foods. Doers were 3.9 times more likely than non-doers to believe that physical growth and development were a benefit (p=0.002, 27 per cent difference); non-doers were more likely than doers to report source of energy (p=0.001, 34 per cent difference) and protection from disease (p=0.003, 28 per cent difference) as positive benefits. Girls in both groups commonly cited “general good health” as an advantage (63 per cent of doers and 67 per cent of non-doers).
  • In terms of perceived negative consequences from eating iron-rich foods, doers were more than twice as likely to say that there are no disadvantages (p=0.040, 18 per cent difference) and almost half of girls in both groups perceived diarrhoea and vomiting to be a negative consequence.
  • There was strong agreement within and between groups of there being parental support for the consumption of iron-rich foods, with a particular emphasis on the positive role of mothers.
  • A high proportion of girls in both groups perceived that anaemia would be a serious health problem (52 per cent of doers and 69 per cent of non-doers).
  • Doers were twice as likely as non-doers to say it is unlikely that they would become anaemic if they eat iron-rich foods (p=0.012,25 per cent difference).
  • A high proportion of both doers (63 per cent) and non-doers (48 per cent) believed that God would approve of them eating iron-rich foods (although doers were more likely to report this, the difference was not statistically significant) and most respondents in both groups reported that there were no cultural taboos against consuming iron-rich foods.

Table 1: Three most common responses per group 

Table 2: Three most common responses per group

Discussion and Conclusion

The results of this study show that a main perceived facilitator for the consumption of iron-rich foods among adolescent girls in Nepal is the availability of green leafy vegetables at home. This suggests behavioural change interventions should target households and, in particular, members with influence over foods purchased and consumed. In terms of household income, non-doers were more likely to cite low income as the reason for there being less green leafy vegetables at home, although the actual proportion reporting this was low. A 2014 adolescent nutrition survey in Nepal (Aryal et al, 2014) found no difference in anaemia prevalence by family monthly income, which suggests that this may not be as important as food choice.

The perceived positive consequences have a significant impact on nutritional behaviour (Beydoun and Wang, 2008); hence nutrition education is important. Results from this study show that there is great opportunity to educate adolescent girls on nutrition to emphasise the positive benefits of consuming iron-rich foods, address misconceptions about the disadvantages of consuming these types of food, and draw linkages between iron-rich foods and anaemia. This seems to be important for both groups, particularly for non-doers. This study is an initial step in filling gaps in understanding the influences on the dietary practices of adolescent girls in Nepal; additional research is needed, particularly in other parts of the country. This type of research is crucial for designing policies and programmes to improve the consumption of nutritious foods, such as iron-rich foods, and ultimately to improve the health and nutritional status of this population. 

For more information, contact Ajay Acharya.


Endnotes

1The USAID-funded Suaahara II Good Nutrition Program aims to improve health and nutrition among women and children in 40 out of 77 districts of Nepal. Suaahara II is supporting Government of Nepal in expanding the adolescents’ iron supplementation programme and improving health and nutrition behaviors among adolescents through capacity building, school health programme, media mobilisation, monitoring and research.


References

Aryal K, Mehta R, Chalise B et al. Adolescent Nutrition Survey in Nepal, 2014. Nepal Heal Res Counc. 2016.

Beydoun MA, Wang Y. How do socio-economic status, perceived economic barriers and nutritional benefits affect quality of dietary intake among US adults? Eur J Clin Nutr. 2008;62(3):303-313. doi:10.1038/sj.ejcn.1602700.

CBS Nepal 2011. National Population and Housing Census 2011(National Report). Gov Nepal, Natl Plan Comm Secr Cent Bu reau Stat. 2012;1:1-278. http://cbs.gov.np/?p=2017

Kittle BL. A Practical Guide to Conducting a Barrier Analysis. 2013:1-186. www.coregroup.org/storage/barrier/Practical_Guide_to_Conducting_a_Barrier_Analysis_Oct_2013.pdf

NDHS 2016. Ministry of Health Nepal. Nepal Demographic and Health Survey 2016 Key Indicators. 2016:68. https://dhsprogram.com/pubs/pdf/PR88/PR88.pdf

WHO 2011. World Health Organization. The Global Prevalence of Anaemia in 2011. WHO Rep. 2011:48. doi:10.1017/S1368980008002401.

WHO (2011a). World Health Organization. Prevention of iron deficiency anaemia in adolescents: role of weekly iron and folic acid supplementation.

WHO 2016. Guideline: Daily iron supplementation in adult women and adolescent girls. Geneva: World Health Organization; 2016.

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Ajay Acharya, Pooja Pandey Rana, Bhim Kumari Pun and Basant Thapa (2018). Consumption of iron-rich foods among adolescent girls in Nepal: Identifying behavioural determinants. Field Exchange 57, March 2018. p17. www.ennonline.net/fex/57/ironadolescentgirlsnepal

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