Table A1.
List and description of all the forms use for data collection
| Questionnaire/Instrument title | Purpose | Periodicity | Rounds | |
|---|---|---|---|---|
| 1 | Structures and Institutional facilities numbering form | To assign unique identification numbers to all structures and to all rentable rooms within structures and define their uses (dwelling/sleeping rooms, schools, toilets, churches, mosques, water points, business rooms, etc.). The IDs are then painted on the door frame or (quasi) permanent sections of the building | Every round | 0–24 |
| 2 | Household registration book (HRB) | Registers three primary subjects followed up by the NUHDSS; structures, households and individuals | Every round | 0–24 |
| 3 | Events confirmation forma | To record all demographic events occurred in the household; birth, death, marriage or union, divorce or separation, and migration | Every round | 14–24 |
| 4 | Pregnancy outcome and birth registrationa | To register outcomes of all pregnancies occurring to HDSS female members. The forms allow registering outcomes of all pregnancies occurring to HDSS female members: birth history, pregnancy duration, date of delivery or pregnancy end date, place of delivery and use health facility, number of fetuses and the outcome. In addition, the form includes questions on the child and his/her father characteristic if the outcome is live birth | Every round | 2–24 |
| 5 | Vaccination form | To record vaccination statistics for all HDSS members aged less than 5 years | Every round | 2–24 |
| 6 | In-migration form | For individuals who (or whose household members) have moved from outside the NUHDSS DSA and have lived in the NUHDSS DSA for at least 120 days. The form enables the system to register the new in-migrants as members of the HDSS. In-migrants are defined as those who were not living in the DSA at the time of the initial census and had subsequently moved to the DSA and had spent at least 120 days within the DSA | Every round | 2–24 |
| 7 | Out-migration form | For HDSS members who (or whose household members) have moved from the NUHDSS DSA to a location outside the NUHDSS DSA and have been away for at least 120 days. The form enables the system to de-register the out-migrant from the HDSS system | Every round | 2–24 |
| 8 | Verbal autopsy | For all deaths, this form allows obtaining cause of death by interviewing lay respondents on the signs and symptoms experienced by the deceased before death | Every round | 2–24 |
| 9 | Amendment/update form | To report corrections to mistakes that were made in previous rounds and changes to various attributes that we would like to keep updating whenever there is a change (e.g., usage of a room from a business premise to a sleeping room) | Every round | 0–24 |
| 10 | Change of residence entry form | For HDSS members who (or whose household members) have moved from one location to another within the NUHDSS DSA. The form is completed at the new residence (entry point) | Every round | 1–24 |
| 11 | Change of residence exit form | For HDSS members who (or whose household members) have moved from one location to another within the NUHDSS DSA. The form is completed at the last observed location (exit point) | Every round | 1–24 |
| 12 | Household characteristics/household amenities and livelihood | To record housing characteristics, household’ ownership and livelihood | Once a year | 1–24 |
aPregnancy and death registration forms were collapsed into the event confirmation while child registration forms were colapsed into pregnancy outcome and birth registration form from round 17