1 Low birthweight data 2 3The data refer to a study on low birthweight in babies, defined 4as "less than 2500 grams", and related factors. 5 6The variables are: 7 Smoke: indicator of whether the mother is a smoker. 8 Lwt: last menstrual weight of the mother, 9 Low: indicator variable of low weight, 10 11Source: Hosmer & Lemeshow (1989). Applied Logistic Regresion. 12 Wiley, NY. 13 The original source contains additional variables; see Appendix 1 of 14 Hosmer & Lemeshow for a full list of the data, pp.29-30 and p.92 for 15 additional information. 16 17