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This study aims to identify the factors that favor the use of modern contraceptive methods in non-pregnant women who need to space or limit births. The analyzes were made using SPSS software (statistical package for social sciences) version 25. The data used in this publication comes from a TRAC survey on family planning carried out by the Family Health Association / Population Service international (ASF / PSI) in DRC. Continuously Tracking Results surveys are knowledge surveys, attitudes, and practices of women in matters of family planning but with the introduction of questions on scales as mentioned above. This survey concerned 1965 women aged 15 to 49 selected in urban and peri-urban areas of the provincial city of Kinshasa. Our results show that the discussion between partner or spouse on the use of modern contraceptive methods positively influences the majority of women (OR = 4.28; p <0.001),being part of a social norm (OR = 3.30; p <0.01) and having a high socioeconomic level (OR = 2.54; p <0.01), also favor positively the use of modern contraceptives. The paper concludes that any effort to increase contraceptive prevalence should target attitude, level of knowledge of methods, and spousal support to optimize the use of modern contraception in the city of Kinshasa.

This study attempted to establish the relationship between vendor characteristics and relationship quality on consumer B2B E-commerce in Yemen. E-commerce is gaining a lot of attention, especially in the Arabian world, as such we formulated and tested a model to explain B2C user repurchase intentions from the perspective of relationship quality. The model was empirically tested through a survey conducted in Yemen. Results showed that online relationship quality and perceived website usability positively impacted customer repurchase intention. Moreover, online relationship quality was positively influenced by perceived vendor expertise in order fulfillment, perceived vendor reputation, and perceived website usability. Trust in vendor behavior predominantly influenced online relationship quality and subsequent purchase intention. Implications of these findings are discussed.