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Table 1 Description of Principal Component Analysis input variables

From: Development of integration indexes to determine the extent of family planning and child immunization services integration in health facilities in urban areas of Nigeria

Input variable description Type Survey source
What proportion of providers at facility offer both child immunization and family planning services?a Continuous between 0 and 1 Provider
What proportion of providers at facility routinely offers family planning information during child immunization or child growth monitoring visits?a Continuous between 0 and 1 Provider
What is the average count of family planning topics that providers at facility discuss with client during child health service visits?b Ordinal between 0 and 7
FP topics include: (1) Identify reproductive goals (2) Provide information about different FP methods (3) Discuss the client's FP preferences (4) Help women select a suitable method (5) Educate women to use the selected method (6) Explain side effects (7) Explain specific medical reasons to return
Provider
What proportion of providers at facility do not request partner consent prior to woman’s receipt of family planning services during a child health service visit?a Continuous between 0 and 1 Provider
Does the facility provide both child immunization and family planning services? Binary (0 = no, 1 = yes) Facility
What is the normal practice at this facility if client wants family planning information during a child health service visit?c Ordinal between 0 and 7
Responses include: (0) Facility does not provide child health services (1) Facility does provide child health services but does not provide family planning services (2) Client is given no information or referral (3) Client is given referral to another facility (4) No appointment made, client told to return on a different day (5) Appointment made for different day (6) Client sometimes receives information on same day (7) Client always receives information on same day
Facility
What is the normal practice at this facility if client wants hormonal method of family planning during a child health service visit?c Ordinal between 0 and 7
Responses include: (0) Facility does not provide child health services (1) Facility does provide child health services but does not provide family planning services (2) Client is given no information or referral (3) Client is given referral to another facility (4) No appointment made, client told to return on a different day (5) Appointment made for different day (6) Client sometimes receives method on same day (7) Client always receives method on same day
Facility
What is the score of operational days when both child immunization and family planning services are offered?d Continuous between 0 and 1
Defined as: (Proportion of operational days that child immunization services are provided) multiplied by (Proportion of operational days that family planning services are provided)
Facility
  1. Child health service visits include either immunization or growth monitoring visits, but not sick child visits. In variables referring to child health service visits, it was not possible to differentiate data pertaining only to immunization from data pertaining only to growth. Client exit interviews show that immunization visits comprise 95% of all child health service visits
  2. aProportion of providers was obtained from the provider survey by taking an average of provider responses to dichotomous survey questions (0 = no, 1 = yes). For example, if two providers responded that they did not routinely offer family planning information during an immunization or growth monitoring visit and two responded that they did then the facility would score a 0.5 on this item
  3. bFacility score calculated by adding one point for affirmative responses to items 1–7
  4. cFacility scores reflect the response, ranked from 0 (low) to 7 (high)
  5. dThe score for a facility that is open 7 days/week and offers immunization 1 day/week and family planning services 7 days/week would be calculated: (1/7) × (7/7) = 0.14