Masuma Bari
Department of Agricultural and Applied Statistics, Bangladesh Agricultural University, Mymensingh-2202
Mohammad Amirul Islam
Corresponding author:
Department of Agricultural and Applied Statistics, Bangladesh Agricultural University, Mymensingh-2202
Md. Farouq Imam
Department of Agricultural and Applied Statistics, Bangladesh Agricultural University, Mymensingh-2202
Md. Fuad Hassan
Department of Agricultural and Applied Statistics, Bangladesh Agricultural University, Mymensingh-2202
Intra-household, Food security, Ultra poor
Mymensingh district, Bangladesh
Food Safety and Security
Food, Livelihood
Data This study is based on both primary and secondary data. Secondary data has been used to identify the study area. Primary data were collected in a field survey by face-to-face interviews to examine the intra-household food security status of the ultrapoor communities (extre poverty-prone areas identified in HIES, 2010) in Mymensingh district. A multi-stage sampling technique was used for providing the primary data from Mymensingh district. Firstly, two sub-districts namely, Phulpur and Tarakanda were selected randomly within the poverty-prone sub-districts as indicated in the HIES 2010 in Mymensingh district. From each of the selected sub-districts, one village was selected randomly. Finally, within the selected village a circular systematic sample (approx.. 75) of households was selected. In this process a random start was taken between 1 to N and subsequent units were selected at equal intervals after arranging the units in a circular way. This overcomes the situation when N is not multiple of sample size n. The total sample size became 150 (78+72) households. Data were collected during 2 September to 17 September 2018. Measure of Food Security-Direct Calorie Intake Food security can be measured in many ways. We used the direct calorie intake (DCI) method for the comparability with other national studies. The direct calorie intake (DCI) method estimates the per capita calorie intake at the household level and individual level. In this method, the household level food consumed during the last three days in a household is first averaged and afterward, the average content of food per day per household was converted into kilo calorie (using conversion factors suggested by FAO). The amount of calorie intake was then converted into per capita per day. According to this method, the members of a household are considered food insecure if their average calorie intake falls below a certain level (HIES, 2010). In Bangladesh, ‘absolute food insecure’ is defined as an average intake of less than 2,122 kcal per capita per day, while, ‘extreme food insecure’ refers to an average below 1,805 kcal per capita per day (Imam et al., 2018; HIES, 2010). The approach assumes a value of 0.5 for household members less than 15 years (children) of age and one for those above 15 years (adult). For example, a household with four adult members will have an adult equivalent value of 4 while, a household with two children and two adult members will have an adult equivalent value of 3 {(2+ (0.5*2) = 3} (Akerele et al., 2018). Measure of Poverty-Cost of Basic Needs Poverty can be estimated by using several approaches. The study estimated poverty based on the Cost of Basic Needs (CBN) method. In the CBN method, the poverty line (PL) indicates the average level of per capita expenditure at which persons can meet basic food and non-food needs. However, the upper poverty line (UPL) can be computed as adding the food and upper non-food allowances, while the lower poverty line (LPL) constitutes adding the food and lower nonfood allowances (HIES, 2016). In Bangladesh, absolute poverty is defined as the households whose per capita expenditures are below the UPL, whilst hard-core or extreme poverty refers to the households whose per capita expenditures are below the LPL. From Mymensingh district BDT 1276 was considered for LPL while, BDT 1497 was considered for UPL (World Bank, 2013). Measure of Dietary Diversity Scores (DDS) Dietary diversity scores are the number of distinct food groups consumed by a household during the week prior to being surveyed by the HIES. Each food group represents a special class of nutrients, and a higher DDS indicates greater diversity of food intake and better quality diets. The DDS estimates a household’s economic ability to consume a set of nutritionally diverse food items. Customarily, food consumption is recorded over a period of 24 hours, and the food tally is used to calculate the household dietary diversity score (FAO, 2013). A higher DDS implies a more diversified portfolio of food intake and a higher-quality diet. Thus, this measure can be used as a relatively simple indicator for the micronutrient adequacy of households’ diets. Logistic Regression Model Several studies attempted to identify the determinants of food security at the household level mostly using logistic regression models (Mahajan and Joshi, 2011; Faridi and Wadood, 2010; Lawal et al., 2008; Haile et al., 2005; Abegaz, 2017). The use of the binary logistic regression model is popular to investigate the response of the food security questions. Logistic regression measures the relationship between a categorical dependent variable and one or more independent variables. When the dependent variable is dichotomous, in general, the logistic model expresses a qualitative dependent variable as a function of several independent variables, both qualitative and quantitative.
The Bangladesh Journal of Agricultural Economics, 41(2): 1-16, 2020
Journal