. 2022 Feb 23;37(16):4168–4175. doi: 10.1007/s11606-022-07433-4

Table 6.

Associations Between Age, Ethnicity, and Number of Days with One or More Claims for Outcomes of Interest, 180–364 Days After Tubal Ligation or IUC Placement Provided by Medicaid to California Patients, 2008–2014

	Adjusted^*incident rate ratios for outcomes of interest
Age (referent = 45+ years)
18–27 years old	1.71 (1.51–1.94)	1.11 (1.01–1.21)	0.54 (0.51–0.57)	0.85 (0.67–1.08)	0.88 (0.76–1.02)	5.80 (2.64–12.72)
28–33 years old	1.43 (1.27–1.62)	1.01 (0.93–1.11)	0.67 (0.63–0.71)	0.92 (0.73–1.15)	0.80 (0.70–0.93)	3.95 (1.80–8.65)
34–44 years old	1.31 (1.16–1.47)	0.97 (0.90–1.06)	0.76 (0.72–0.80)	0.81 (0.64–1.01)	0.86 (0.75–0.98)	2.85 (1.31–6.21)
Race/ethnicity (referent = White)
Asian	0.64 (0.56–0.74)	0.79 (0.72–0.88)	0.54 (0.52–0.61)	0.68 (0.52–0.89)	1.10 (0.96–1.26)	0.76 (0.43–1.32)
Black	0.91 (0.84–0.98)	0.87 (0.82–0.93)	0.80 (0.77–0.84)	0.50 (0.40–0.61)	0.91 (0.82–1.02)	1.33 (0.99–1.78)
Hispanic	0.76 (0.72–0.80)	0.93 (0.89–0.97)	0.74 (0.72–0.76)	0.72 (0.64–0.80)	0.97 (0.90–1.04)	0.84 (0.68–1.05)
Other^†	0.83 (0.76–0.91)	1.01 (0.94–1.08)	0.86 (0.82–0.90)	0.70 (0.57–0.85)	1.05 (0.94–1.17)	1.15 (0.83–1.60)

Adjusted^*incident rate ratios for outcomes of interest

Pelvic pain

GI pain

Non-abdominal pain

GU pain

Abnormal uterine bleeding

PID

Age (referent = 45+ years)

18–27 years old

1.71

(1.51–1.94)

1.11

(1.01–1.21)

0.54

(0.51–0.57)

0.85

(0.67–1.08)

0.88

(0.76–1.02)

5.80

(2.64–12.72)

28–33 years old

1.43

(1.27–1.62)

1.01

(0.93–1.11)

0.67

(0.63–0.71)

0.92

(0.73–1.15)

0.80

(0.70–0.93)

3.95

(1.80–8.65)

34–44 years old

1.31

(1.16–1.47)

0.97

(0.90–1.06)

0.76

(0.72–0.80)

0.81

(0.64–1.01)

0.86

(0.75–0.98)

2.85

(1.31–6.21)

Race/ethnicity (referent = White)

Asian

0.64

(0.56–0.74)

0.79

(0.72–0.88)

0.54

(0.52–0.61)

0.68

(0.52–0.89)

1.10

(0.96–1.26)

0.76

(0.43–1.32)

Black

0.91

(0.84–0.98)

0.87

(0.82–0.93)

0.80

(0.77–0.84)

0.50

(0.40–0.61)

0.91

(0.82–1.02)

1.33

(0.99–1.78)

Hispanic

0.76

(0.72–0.80)

0.93

(0.89–0.97)

0.74

(0.72–0.76)

0.72

(0.64–0.80)

0.97

(0.90–1.04)

0.84

(0.68–1.05)

Other^†

0.83

(0.76–0.91)

1.01

(0.94–1.08)

0.86

(0.82–0.90)

0.70

(0.57–0.85)

1.05

(0.94–1.17)

1.15

(0.83–1.60)

Excluding procedures performed within 42 days of a birth

GI gastrointestinal, GU genitourinary, PID pelvic inflammatory disease

^*Incident rate ratios from multivariable Poisson models adjusted for age category, year of procedure, race/ethnicity, region, MediCal program, baseline months eligibility (log transformed), same-day ablation, health care utilization in the 2 years pre-procedure (i.e., claims related to abdominal pain or other gastrointestinal symptoms, genitourinary pain, menorrhagia, non-abdominal pain, pelvic inflammatory disease, pelvic pain, fibroids, mood disorder, obesity, pregnancy history, use of any contraceptive method, Charlson Comorbidity Index)

^†American Indian, Alaska Native, Native Hawaiian, Asian Pacific Islander, multiracial, or race unknown

Values shown in bold are statistically significant, at the level of p < 0.05