Table 2.

Caesarean section (CS) rates among groups with different insurance status

Author	Year	State	Year of data collection	CS rate of privately insured (%)	CS rate of publicly insured (%)	CS rate of uninsured (%)
Stafford20	1990	California	1986	26.8	22.1	19.3
Haas et al 15 A	1993	Massachusetts	1984	23.0	19.4	17.2
Haas et al 15 B	1993	Massachusetts	1987	25.9	20.8	22.4
Braveman et al 209	1995	California	1991	27.1	21.2	23.0
Burns et al 21	1995	Arizona	1989	n/a	n/a	n/a
Onion et al 210 A*	1999	Maine	1990–1992	15.9	14.9	13.4
Onion et al 210 B*	1999	New Hampshire	1990–1992	16.1	13.2	13.0
Onion et al 210 C*	1999	Vermont	1990–1992	14.5	13.5	9.4
Aron et al 211	2000	Ohio	1993–1995	17.0	14.2	10.7
Grant22 A	2005	All states	1988	27.0	23.7	17.1
Grant22 B	2005	Florida	1992	30.0	21.6	20.7
Coonrod et al 62	2008	Arizona	2005	26.0	19.0	20.0
Huesch212	2011	New Jersey	2004–2007	26.7	22.5	20.3
Kozhimannil et al 103	2014	All states	2002–2009	n/a	n/a	n/a
Huesch et al 213	2014	California	2010	13.9	10.7	13.0
Sebastião et al 214	2016	Florida	2004–2011	25.2	22.8	19.7

*The rates are adjusted as compared with the rates from other studies which are crude rates. 

Dark grey, CS rates below 10% benchmark.

Light grey, CS rates below 19% benchmark.

n/a, not applicable.