Kejadian BBLR merupakan penyebab terbanyak kematian perinatal dan neonatal terutama dinegara berkembang. Di Indonesia khususnya di RS Benyamin GuluhKabupaten Kolaka Sulawesi Tenggara. Penelitian ini melihat pengaruh paritas dan faktor-faktor lain terhadap kejadian BBLR, melalui pendekatan kuantitatif dengan disain case control. Sampel terdiri dari 88 kasus BBLR dan 352 kontrol pada tahun 2011-2012. Data dianalisis menggunakan uji Chi Square dan analisis regresi logistik ganda.Hasil yang terbukti signifikan berpengaruh secara statistik adalah jarak kelahiran, usia, pre-eklampsia, dan jenis kelamin. Faktor paling berpengaruh terhadap kejadian BBLR adalah jarak kelahiran (OR=3,5). Disarankan peningkatan pelayanan konseling KB, menunda kehamilan sebelum berusia 20 tahun dengan tidak menikah muda, menjarangkan kehamilan dan Metode Amenorea Laktasi.

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Low Birth Weight is cause of death number one for perinatal and neonatal mortality, especially for developing countries. Indonesia such as Benjamin Guluh Kolaka Hospital Southeast Sulawesi. This study discusses the influence of parity and other factors on the incidence of low birth weight, through a longitudinal study casecontrol design. Sample were 88 LBW cases and 352 controls in 2011-2012. Data were analyzed through Chi Squared test and multiple logistic regression analyses.

The result were proved to have statistically significant effects on birth spacing, age, pre-eclampsia and gender. The most influential factor on the incidence of LBW was birth spacing (OR=3,5). It was suggested to have a family planning counseling, delayed pregnancy before age 20 years by not being married in toung age, pregnancy spacing and family planning programs Lactation Amenorrhoea Method.