Browsing by Author "Peiris, T.S.G."

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Factors Influencing Use of Traditional Family Planning by Women in Sri Lanka
(Faculty of Humanities and Sciences - SLIIT, 2021-03-26) Peiris, T.S.G.; Karunarathne, H.V.V.M.P.
Family planning plays a crucial role in enhancing the health of the mother and the child. Contraceptives are used by most women in the reproductive age span (15- 49 years). Sri Lanka has named as one of the countries with a high usage of traditional family planning (TFP) methods than other Asian countries. However, the reasons for that were not been investigated. Therefore, this study is carried out to identify the significant factors influencing on usage of TFP by using data from Sri Lanka Demographic and Health Survey in 2016 with a sample size of 10835. A binary logistic regression model was developed to capture the factors influencing on the use of TFP. The model was invariant on the type of selection method and the selection criteria. The overall predictive power is 82.9%. The percentages of women using TFP is 16.3%. Among TFP users, withdrawal and rhythm method are 35% and 57% respectively. The knowledge on family planning, having advice from public health midwives, attendance to well women clinics, religion, ethnicity, decision to use family planning, husband's occupation, women's age, women's occupation, women's education level, number of children, and wealth quantile are significantly associated factors with the usage of TFP. The odds of the usage of TFP among the women having no children and women having 1 or 2 children are respectively 1.4 and 4.0 times higher than the women having 3 or more children. The factors identified are geared towards providing robust evidence based on data driven decision making (DDDM) and therefore the key population groups in need of contraceptive services can be targeted more effectively and efficiently. Organizing counselling programmes and promotions on family planning and conducting media awareness programmes to avoid some myths on modern contraceptives can be suggested.
Open Access
Forecasting the Monthly Real Wage Rate of the Public Sector in Sri Lanka
(Faculty of Humanities and Sciences, SLIIT, 2024-12-04) Gamage, S.K.A.; Gunasekara, K.L.R.K.; Gamage, P.S.H.; Ariyarathna, H.B.M.S.; De Mel, W.N.R.; Peiris, T.S.G.
This study assesses the monthly real wage rate of the public sector of Sri Lanka by elaborati ng a suitable ti me series model to identi fy the future trends associated with the real wage rates of Sri Lanka. The sample data set consists of monthly real wage rate data from January 2018 to March 2024 from the Central Bank of Sri Lanka (CBSL). The real wage rate has been calculated selecti ng 2016 as the base year. Suitable parsimonious models were identi fi ed through the patt erns of the sample parti al autocorrelati on functi on (PACF) and sample auto-correlati on functi on (ACF) of the stati onary series. Based on the indicati ons such as Akaike informati on criterion (AIC), Schwarz Criterion (SC) and log likelihood an autoregressive integrated moving average (ARIMA) model of the type (0,1,2) was disti nguished as the best fi tt ed model. The residuals of the best fi tt ed model were ascertained to be white noise. The model has been validated for the fi rst three months of 2024. The Mean Absolute Percentage Error (MAPE) for the validati on data is 9.59%. The forecasted wage rate values from April 2024 to September 2024 are 54.562, 54.096, 53.631, 53.165, 52.7 and 52.234 respecti vely. The study’s fi ndings can be uti lized by policymakers, economists, and government workers to improve their fi nancial planning.
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Modelling the Use of Traditional Family Planning by Women in Sri Lanka
(Faculty of Humanities and Sciences (FHS) of the Sri Lanka Institute of Information Technology (SLIIT) Malabe, 2020-12-01) Peiris, T.S.G.; Karunarathne, H.V.V.M.P
Family planning plays a crucial role in enhancing the health of the mother and the child. Contraceptives are used by most women in the reproductive age span (15- 49 years). Sri Lanka has been named as one of the countries with high usage of traditional family planning (TFP) methods than the other Asian countries. However, the reasons for that have not been investigated. Therefore, this study is carried out to identify the significant factors influencing on usage of TFP by using data from Sri Lanka Demographic and Health Survey in 2016 with a sample size of 10835. The percentages of women using TFP is 16.3% compared to 83.7% of using modern family planning (MFP). Among TFP users, the withdrawal method and the rhythm method are 35% and 57% respectively. The balance 8% uses both methods. A binary logistic regression model was developed to capture the factors influencing the use of TFP by considering all variables simultaneously. The fitted model was invariant on the type of selection method and selection criteria. The overall predictive power is 82.9%. The knowledge on family planning, having advice from public health midwives, attendance to well-women clinics, religion, ethnicity, decision to use family planning, husband’s occupation, women’s age, women’s occupation, women’s education level, number of children, and wealth quantile are the significantly associated factors with the usage of TFP. The odds of the usage of TFP among the women having no children and women having 1 or 2 children are respectively 1.4 and 4.0 times higher than the women having 3 or more children. The factors identified are geared towards providing robust evidence based on data driven decision making (DDDM) and therefore the key population groups in need of contraceptive services can be targeted more effectively and efficiently. Organizing counselling programmes and promotions on family planning and conducting media awareness programmes to avoid some myths on modern contraceptives can be suggested.