| B_1 | Initials of the child |
| B_2 | Field Worker code |
| B_3 | Date of Interview (DDMMYY) |
| B_4 | Date of Birth (English calendar-DDMMYY) |
| B_5 | Age in months (completed) |
| B_6 | Sex (1=Male, 2=Female) |
| B_7 | Birth order of the child |
| B_8 | Mother's occupation (2=No work, 3=Agriculture, 4=Carpet worker, 5=Daily wage earner, 6=Self employs, 7=Services, 8=Working abroad, 9=Not applicable) |
| B_9 | Father's occupation (2=No work, 3=Agriculture, 4=Carpet worker, 5=Daily wage earner, 6=Self employs, 7=Services, 8=Working abroad, 9=Not applicable) |
| B_10 | Literacy of father (2=Illiterate 3=Primary, 4=Secondary, 5=SLC/Intermediate, 6=Bachelors, 7=Above) |
| B_11 | Literacy of mother (2=Illiterate 3=Primary, 4=Secondary, 5=SLC/Intermediate, 6=Bachelor, 7=Above) |
| B_12 | Where was the child born? (1=Home, 2=Health Facility) |
| B_13 | Type of delivery (1=Normal, 2=Caesarean section,3=Vacuum/forceps) |
| B_14 | Gestation week (1=Full-term (40 weeks), |
| 2=Preterm (before 37 weeks), 3=Post-term (after 42 weeks) | |
| B_14.1 | Total gestation weeks |
| B_15 | Birth weight in grams according to card/Mother’s recall (Not applicable 9999) |
| B_16 | Was the child hospitalized during the first month after birth?(2=No, 3=Meningitis, 4=Pneumonia, 5=Preterm, LBW, 6=Sepsis, 7=Others) |
| B_17 | Is there history of hospitalization since one months of age (1=Yes, 2=No) |
| B_17i | Specify, reason for hospitalization |
| B_18 | Days with loose watery stool three or more times in a day? |
| B_19 | Did the child have cough and difficulty breathing (1=Common cold, 2=No, 3=Pneumonia, 4=Reactive airway diseases, 5=Others) |
| B_20 | Days of fever (if no, 00) |
| B_21 | Visit to health center/traditional healer because child was ill ? (1=Yes, in health facility, 2=No, 3=Yes, traditional healer, 4=Pharmacy) |
| B_22 | BCG (at 0-45 days) |
| B_23 | OPV 1st (at 1 & 1/2 month) |
| B_24 | OPV 2nd (at 2 & 1/2 month) |
| B_25 | OPV 3rd (at 3 & 1/2 month) |
| B_26 | IPV (3 & ½ months) |
| B_27 | DPT/Hep B/HIB 1st (at 1 & 1/2 month) |
| B_28 | DPT/Hep B/HIB 2nd (at 2 & 1/2 month) |
| B_29 | DPT/Hep B/HIB 3rd (at 3 & 1/2 month) |
| B_30 | PCV 1st (at 1 & 1/2 month) |
| B_31 | PCV 2nd (at 2 & 1/2 month) |
| B_32 | PCV3rd (at 12 months) |
| B_33 | MR (at 9 months) |
| B_34 | JE (at 12 months) |
| B_35 | Others (specify) |