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. 2021 Jan 25;41(3):422–434. doi: 10.1038/s41372-021-00915-z

Table 1.

Race and ethnicity comparison of key clinical setting variables.

Race and ethnicity
Non-Hispanic White
(n = 250)
Asian
(n = 51)
p value Underrepresented in medicine
(n = 34)
p value
Employer type
 Hospital or healthcare system 74% 80% NS 56% NS
 Contracted: private single subspecialty group 13% 10% 29%
 Contracted: private multispecialty group 12% 10% 15%
 Military or Federal Government 1% 0% 0%
 Other 0% 0% 0%
Academic or nonacademic affiliation
 Academic 71% 82% NS 62% NS
 Non academic 29% 18% 38%
Level of primary nursery for clinical duties
 Level 4 (Regional Neonatal Intensive Care Unit) 55% 63% NS 38% NS
 Level 3 (Neonatal Intensive Care Unit) 42% 37% 62%
 Level 2 (Special Care Nursery) 3% 0% 0%
Characteristics of primary nursery for clinical duties
 Number neonatologists rotating at primary nurserya 10 (6–17) 10 (7–16) NS 7.5 (4–17) NS
 Capacity of primary nurserya 50 (32–68.5) 55 (35–65) NS 36 (24.75–67) NS
 Delivery volumea 3000 (1337.5–4500) 3800 (2000–5000) NS 2900 (1937.5–3500) NS
Clinical dutiesa
 Clinical service—weeks/year 18 (12–26) 18 (12–26) NS 17 (12–36) NS
 Weekday daytime clinical shifts per year 86 (60–120) 90 (60–120) NS 90 (67.5–155) NS
 Weeknight clinical shifts per year 36 (18–60) 40 (30–60) NS 48 (27–81.25) 0.016
 Weekend daytime clinical shifts per year 24 (15–32) 20 (12–26) NS 25 (17.25–37) NS
 Weekend night time clinical shifts per year 15 (10–24) 15 (10–24) NS 20.5 (12–28) NS
 Clinical hours/year 1919.5 (1408.75–2623.5) 1898 (1584–2520) NS 1957 (1506.75–3124) NS
Average daily censusa
 Total rounding census 20 (16–29) 20 (16–25) NS 22 (16–32) NS
Call type provided
 In-house 39% 47% NS 29% NS
 From home 35% 27% 35%
 Both in-house and from home 23% 25% 35%
 No call 4% 0% 0%
Region
 Great Lakes region—OH, MI, IN, IL, WI, MN 19% 24% NS 18% 0.008
 Mid-Atlantic region—WV, VA, DE, MD, DC, NC, PA, NJ 20% 12% 9%
 North Central region—IA, MO, KS, NE, SD, ND 9% 12% 3%
 Northeast region—ME, NH, VT, MA, CT, NY, RI 18% 20% 9%
 Northwest region—MT, WY, ID, OR, WA 6% 0% 3%
 South Central region—TX, OK, AR 5% 8% 21%
 Southeast region—SC, GA, FL, AL, MS, LA, TN, KY 12% 12% 29%
 Southwest region—AZ, UT, CO, NM, NV 3% 2% 6%
 West region—CA, AK, HI 7% 12% 3%

aMedian value (interquartile range).