Table 3 Two-Part Model Results of Having Any Health Care Costs and Per Member Per Month Cost Models among New Medicaid Enrollees Pre-COVID and New Enrollees During COVID, North Carolina

January

Reference

Reference

February

1.02

(1.00-1.04)

1.02 (1.03)

March

0.83***

(0.81–0.84)

1.07** (1.02)

April

0.93***

(0.92–0.95)

1.02 (1.02)

May

0.96***

(0.95–0.98)

1.03 (1.02)

June

0.95***

(0.93–0.97)

1.01 (1.03)

July

0.93***

(0.91–0.95)

1.02 (1.03)

August

0.89***

(0.87–0.91)

0.96 (1.03)

September

0.97**

(0.95–0.99)

1.04 (1.03)

October

0.93***

(0.92–0.95)

0.98 (1.03)

November

0.85***

(0.83–0.87)

0.99 (1.03)

December

0.98*

(0.96-1.00)

1.12*** (1.03)

Enrolled During COVID

0.71***

(0.70–0.72)

0.92*** (1.02)

Age at enrollment

 18–25

Reference

Reference

 26–35

0.91***

(0.90–0.92)

1.28*** (1.01)

 36–45

0.72***

(0.71–0.73)

1.67*** (1.02)

 46–55

0.56***

(0.55–0.57)

1.95*** (1.02)

 56–64

0.59***

(0.58–0.61)

1.63*** (1.02)

 65+

0.84***

(0.82–0.85)

2.24*** (1.02)

Race

 White

Reference

Reference

 Black

0.92***

(0.91–0.93)

0.90*** (1.01)

 Other

0.70***

(0.69–0.72)

0.86*** (1.03)

 Unknown

0.55***

(0.51–0.59)

0.50*** (1.08)

Ethnicity

 Non-Hispanic

Reference

Reference

 Hispanic

1.53***

(1.51–1.54)

2.60*** (1.01)

 Unknown

1.18***

(1.14–1.21)

1.04 (1.03)

 Live in a rural county

1.12***

(1.11–1.13)

0.94*** (1.01)

 Female

1.61***

(1.59–1.63)

0.71*** (1.01)

N = 360,508

 N = 126,429