Determinants of Sterilization Birth Control Method in Bangladesh

Sterilization is one of the best ways to deal with population growth in a country. As the fertility rate in Bangladesh is almost in the steady condition in the last decades, this article explores the continuing low preference of sterilization method rather than other birth control methods. For this purpose, the present study utilized 2014 Bangladesh Demographic and Health Survey data set (BDHS, 2014). The Cross-tabulation and Logistic Regression analyses were employed to identify the different demographic and socioeconomic factors which affect the decision of using a permanent contraceptive method. The study found that working status and social position of the respondents had a positive relation with choice of sterilization, but interestingly the study identified that education of couples had an unexpected negative correlation with the decision of sterilization. Moreover, the study found that the decision of sterilization strongly depends on the number of sons of the respondents.


Introduction
Family planning through contraceptive use is a primary segment of conceptive social insurance; it enables women and their families to have the wanted number of child's and furthermore to control the planning of pregnancies. The capacity to restrain and space pregnancies significantly affect a women's prosperity, child survival, and financial development and improvement.
The nations of South Asia have gained ground in expanding access to modern family planning method, and lessening complete fertility rates, and the region and tubal procedure for women, which are very successful, with disappointment rates of short of what one percent [10]. Finally, research about tubal ligation shown the method is safer, with a low rate of complications or then again disappointment when performed by standard practice [11]. The constant utilization of LAPMs is, to a great extent, dictated by the level of education and income level and the quantity of surviving kids. Reproductive of wellbeing health programs can consider this gathering of women for mediations going for improving the fertility rate [12].
Poor and underestimated women typically have high neglected requirements for modern contraception particularly separating techniques, and therefore, they become helpless against encountering poor conceptive results including high rates of unintended and undesirable pregnancies [13]. Ethnic status is one more wellspring of segregation for poor women from planned clans, booked positions, and others in reverse communities [14]. The probability of sterilization expanded with lower financial status in Bangladesh and India, while higher financial status was related with a greater likelihood of sterilization used in Latin America and the Caribbean.
Resistance to the utilization of sterilization likewise has been noted among Muslim groups in India and the Philippines [15] [16]. Different countries have taken different attempting where sterilization predominance is low, especially those countries situated in the Middle East, in North Africa, and Sub-Saharan Africa. The low use in these nations might be a part of sterilization strategies dependent on the strict application of religion or individual position to sterilization. A few investigations demonstrated that women with advanced education, the age of the woman and socioeconomic status have critical impact concerning contraceptive strategies of adoption decision [17] [18]. A higher number of living children has motivated the couples to take a contraceptive method [19]. Moreover, higher parity couples have intentions to use permanent contraceptive methods in Asia and Latin America who have average 4 -5 children [20].
Previous studies found that contraceptive method, especially sterilization method choice depends on different demographic and socioeconomic characteristics of the respondents. Few studies demonstrated the regional variation, and urban-rural differentials affect the sterilization method choice. This paper aims to bridge the gap between the sterilization method choice and regional variation.

Materials and Methods
This study uses data extracted from the 2014 Bangladesh Demographic and Health Survey (BDHS 2014). The principal interest of the study is the use of a permanent contraceptive method. Moreover, the study employed several independent variables which are Respondent's education, Respondent's working status, Husband's Education, Husband's occupation, Pace of Residence, Religion, Age at first marriage, Access to Mass Media, Region, Socioeconomic Condition, Continues study after marriage, Number of living son(s).
The education of the respondents and their partners (no education, primary, Open Journal of Social Sciences secondary, and higher education) may be an essential determinant to be sterilized. Socioeconomic measures included the working status of the respondent which categorized as working at the time of the survey or not; religion of the respondent recoded as Muslim and Non-Muslim; partner's occupation classified as agriculture, service, business, and other; and socioeconomic status grouped as poor, middle, and rich. Other measures in the analysis were the place of residence which is classified as urban and rural; age at first marriage, which is recoded by considering median age. A media exposure index indicated whether the respondent used TV, radio or print media (categorized as "0" if they never used any of the media, and "1" if they indicated they used at least one of the media sources).
The relationship between choice of sterilization method and different independent variables in this study were tested by applying cross-tabulation, which is the first step to identify those explanatory variables responsible for method choice of sterilization. But cross-tabulation fails to explain the changes in each of the predictor categorical variables. These changes of predictor variables were measured by applying multivariate logistic regression analysis.

Trends of Sterilization
Couples regularly settle on sterilization commonly, when the two of them feel they don't need any more kids. If a couple decides on sterilization as their favored preventative strategy, either partner could be sterilized. Since these techniques can't be fixed, they are prescribed for women who are certain that they would prefer not to have any child later on. Table 1 shows the percentage of sterilized women in the last decade in Bangladesh. In Bangladesh, 6.2 percent of married women had been sterilized in the year 2011, followed by the year 2004 (5.61%). The acknowledgment of sterilization begun to increment gradually, however, this pattern was not kept up, and the year 2014 saw reliably low degrees of sterilization acceptors (5.25%). The percentage of sterilized of married women in 2014 had been decreased by 0.95 with compare to the year 2011.
The trend line shows that the sterilization rate had 0.004 point decrease in the last decade in Bangladesh. This reduction of taking permanent method due to frightened of a health problem or religious concept. Moreover, the reduction of the permanent method is probably the unavailability or utilization of family planning services ( Figure 1).

Results and Discussion
The quick development in Bangladesh's population can, to a great extent, be ascribed to the age distribution of its population. While sterilization appears a viable answer for the issue of overpopulation in a developing country, education and proficiency could engage women to settle on capable safeguard choices. This information could then go down from age to age, making an enduring impact on the people. Table 2 shows that higher educated women were less likely to be sterilized than the illiterate woman. In our study, 16 and also the desired number of children achieved by agriculture worker. The place of residence also supports this pattern. In Bangladesh, the majority of rural people depend on agriculture, and the result of Table 2 shows that rural respondents were more likely to use a permanent contraceptive method than urban respondents.   Religious expression and values continue to influence the contraceptive method use. Non-Muslim respondents were 2.5 percent more sterilized than their Muslim counterparts. The demographical variable age at first marriage indicates that respondents who married before age 15 years were more tendency to be sterilized than those married after age 15 years. The probable reason for being sterilized is that they achieved the desired number of children. Occupations, rural area, age at first marriage and access to mass media have an association in Bangladesh. Mass media has a limited reach to the rural population in developing countries [23]. It is found that 11.1 percent of women who never access in mass media were sterilized, whereas only 8.4 percent women at least access in any mass media did the same.
It is pointed out that there are significant inconsistencies in the accessibility and nature of family planning and health services benefit in the different region of developing nation [24]. In terms of regional patterns, a higher sterilization rate is observed in Sylhet (16.6%) followed by Rangpur (12.0%) and Khulna being sterilized, whereas 9.9 percent those did not continue their education used a permanent contraceptive method. In a study, Melka et al. [25] found that women with more than two children were more likely to use irreversible contraceptive method than those had at most two living children. This study also found that gender preference is an important factor to decide sterilization.
Women with four or more sons were more likely being sterilized than women with no sons and one son. Table 3 indicates the multivariate logistic regression analysis, where we consider those variables found significant in bivariate analysis. It is found that women at least literate were less likely to use irreversible contraceptive method than those women who had no education. Higher educated women were 57.8 percent decrease in the odds being sterilized than illiterate women. The positive expectation of women may be associated with sterilization because sterilized women might think that their social life will be improved by facilitating education development [26]. Women working status play a significant role on permanent contraceptive use. The study identified that working women were 1.135 times more likely to utilize a permanent contraceptive method than non-working women. Husband education indicates similar findings with women education. Women whose husbands were service holder were 1.232 times more likely to use irreversible contraceptive method than women whose husbands were agriculturists. On the other hand, husbands who were day labor or religious employed (called Imam) namely in others category were 2.358 times more likely to utilize permanent contraceptive method than Women whose husbands were daily laborers were 4.4 times more likely to use LAPMs as compared with women whose husbands were government employees husband. This finding is steady with the reports of certain nations where the chances of favoring family arranging are higher at the point when the husband is employed [27] [28].
Religious followers generally shift in their perspectives on conception prevention. This can be genuine even between various parts of one confidence, as on account of religion. Some religious devotees find that their own feelings of the utilization of anti-conception medication vary from the convictions embraced by the leaders of their faith. It is found that Non-Muslim women in Bangladesh were 1.37 times more likely to be permanent contraceptive user than Muslim women. Reproductive age of the respondents is important factors to determine the use of the irreversible contraceptive method. Women who married before the age 15 years were 25.0 percent decrease in odds to use permanent family planning method than those married age 15 years of age.
However, disparities in the use of a permanent contraceptive method were evident by regions, wealth index, and women educational status after marriage [29]. The study also found the regional variation in the use of the irreversible contraceptive method. In Sylhet, respondents were two and half times more likely to use permanent family planning method than respondents from Barisal region in Bangladesh. Furthermore, the socioeconomic status indicates that respondents from upper quartile were 1.286 times more likely to use irreversible method than respondents from lower quartile. Besides, respondents who continued their study after marriage were 36.7 percent decrease in odds to take a permanent contraceptive method than those who did not continue their study.
Women with a few children favor a permanent contraceptive strategy, and those with fewer children incline toward permanent contraceptive techniques. Likewise, older married women lean toward irreversible contraceptive method while more young ladies favor short time contraceptive techniques [30]. Women who accept that they have adequate quantities of kids usually want to space the birth of the next child or need as far as possible to utilize permanent contraceptive method rather than preventative strategies at short term. The study found that women at least three sons were six and half times more to use permanent contraceptive methods than those who have no sons. This result is supported by many of the researchers worldwide [31] [32] [33]. Moreover, when couples do not have any sons but have a daughter, they usually like to use a modern or traditional contraceptive method to give space between two births [34].

Conclusion
Although success in family planning program is widely acclaimed in Bangladesh,