Attach A5. PLSND Item NR Rates

PLSND Item Nonresponse Rates, Phase 2f

Pregnancy Loss, Stillbirth, and Neonatal Death Instrument

Item Nonresponse Rates for Source Questions and Related Survey Questions

Number of past pregnancies
*NPHS, Question 23: “How times have you been pregnant before? Include those that ended in live birth, miscarriage, stillbirth, induced abortion, and ectopic pregnancy. Please don’t include this pregnancy.”	Refusals = 0.04% (1); DK = 0% (0); N = 2,701 women
Pregnancy outcomes
NMIHS, Question C.5: “How did this most recent pregnancy end?” Response options: Pregnant now, live birth, stillbirth, miscarriage, and abortion.	Live birth sample: Missing (imputed) = 1.1% (111); N = 9,953 women Fetal death sample: Missing (imputed) = 2.2% (72); N = 3,309 women Infant death sample: Missing (imputed) = 1.8% (98); N = 5,332 women
*NPHS, Question 24A: “How many pregnancies ended in: Delivery of a live born baby? (Multiple births count as one (1) pregnancy.)”	Refusals = 0.05% (1); DK = 0.1% (2); N = 1,960 women
*NPHS, Question 24B: “How many pregnancies ended in: Miscarriages? That is a spontaneous abortion before 20 weeks of pregnancy.”	Refusals = 0.15% (3); DK = 0% (0); N = 1,960 women
*NPHS, Question 24C: “How many pregnancies ended in: A stillbirth, at, or after 20 weeks of pregnancy?”	Refusals = 0.6% (3); DK = 0% (0); N = 495 women
*NPHS, Question 24D: “How many pregnancies ended in: An ectopic pregnancy?”	Refusals = 0.6% (3);DK = 0% (0) N = 495 women
*NPHS, Question 24E: “How many pregnancies ended in: An induced abortion?”	Refusals = 0.6% (3); DK = 0% (0); N = 495 women
NPHS, Question 25: “What was the outcome of your last pregnancy?” Response categories: Live birth, miscarriage, stillbirth, induced abortion, and ectopic pregnancy.	Refusals = 0.3% (6); DK = 0% (0); N = 1,906 women
NSFG, Question BC.1: “In which of the ways shown on Card 13 did the pregnancy end?” Asked about each completed pregnancy up to 19th pregnancy. Card 13 listed: miscarriage; stillbirth; abortion; ectopic or tubal pregnancy; live birth by Cesarean section; and, live birth by vaginal delivery.	Refusals = 0.01% (2); DK = 0.03% (5); N = 19,968 pregnancies
*NSFG, Question BC.3: “Did you have (twins/triplets/all of these babies with this [nth] pregnancy?” Asked if more than 1 live born baby reported for pregnancy.	Refusals = 0% (0); DK = 0% (0); N = 239 pregnancies
Whether preterm birth
*NSFG, Question BC.7: “A preterm delivery is one that occurs at 36 weeks or earlier in pregnancy. As far as you know, did you have a preterm birth?” (Asked about each completed pregnancy up to 19th pregnancy if respondent did not know or refused to report gestational length in prior questions.)	Refusals = 0% (0); DK = 0.005% (1); N = 19,965 pregnancies

Received prenatal care
*NMIHS, Question A.2: “Did you get any prenatal care from a doctor or nurse-midwife during this pregnancy?”	Live birth sample: Refusals = 0% (0); DK = 0% (0); N = 9,953 women Fetal death sample: Refusals = 0% (0); DK = 0% (0); N = 3,309 women Infant death sample: Refusals = 0% (0); DK = 0% (0); N = 5,332 women
NSFG, Question BE-6: “During this (nth) pregnancy, did you ever visit a doctor or other medical care provider for prenatal care, that is, for one or more pregnancy checkups.” Asked about each completed pregnancy up to 19th pregnancy.	Refusals = 0.02% (1); DK = 0.11% (7); N = 6,366 pregnancies
NPHS, Question 7: “Did you get any prenatal care during this pregnancy? Prenatal care includes pregnancy tests done in a clinic or doctor’s office and prenatal checkups related to pregnancy.”	Refusals = 0.04% (1); N = 2,701 women

Note: DK = “don’t know”; N = total sample size. Source questions are indicated by an asterisk.