Demografia; Serviços de Planejamento Familiar/estatística & dados numéricos; Nível de Saúde; Adolescente; Adulto; Coeficiente de Natalidade/tendências; Chade/epidemiologia; Pré-Escolar; Comportamento Contraceptivo; Feminino; Humanos; Imunização/estatística & dados numéricos; Lactente; Recém-Nascido; Masculino; Pessoa de Meia-Idade; Estado Nutricional; Gravidez

Africa; Africa South Of The Sahara; Age Specific Fertility Rate--statistics; Birth Rate; Chad; Child Health--statistics; Child Nutrition--statistics; Contraception; Contraceptive Methods Chosen--statistics; Contraceptive Prevalence--statistics; Contraceptive Usage; Demographic And Health Surveys; Demographic Factors; Demographic Surveys; Developing Countries; Economic Factors; Educational Status--statistics; Educational Status--women; Family Planning; Fertility; Fertility Measurements; Fertility Preferences--statistics; Fertility Rate; French Speaking Africa; Health; Infant Mortality--statistics; Marital Status--statistics; Maternal Health--statistics; Middle Africa; Mortality; Nuptiality; Nutrition; Nutrition Indexes--statistics; Population; Population Dynamics; Population Statistics; Research Methodology; Socioeconomic Factors; Socioeconomic Status; Tables And Charts; Women