Table 5 Multivariable with jointly significant HRSN interaction effects for hospital admission after index 1 ED visit and ≥ 2 ED visits

Outcome: Admission after 1 ED Visit

Sex (ref: female beneficiaries)

 Male beneficiaries

1.67

0.83–3.38

Age Category (ref: 65–74)

 Age 75–84 yo

0.72

0.32–1.61

 Age 85+ yo

0.50

0.17–1.47

Chronic Conditions (ref: 0–1)

 Chronic Conditions 2–3

1.67

0.47–5.92

 Chronic Conditions 3+

1.36

0.43–4.31

Education (ref: High School or less)

 Education Some College

1.87

0.73–4.77

 Education College Degree

1.16

0.28–4.77

Outcome: Admission after ≥ 2 ED visits

Age Category (ref: 65–74)

 Age 75–84

1.30

0.63–2.66

 Age 85+

1.73

0.70–4.29

Chronic Conditions (ref: 0–1)

 Chronic Conditions 2–3

0.70

0.20–2.44

 Chronic Conditions 3+

0.80

0.26–2.43