Table 5

Subpopulation specific racial effect (relative risk) of infant mortality # decomposed into direct and indirect multiplicative factors

Racial Effect

Females

Males




estimate

LCI UCI

estimate

LCI UCI

"Normal" Subpopulation

Relative Risk

1.89

(1.71; 2.14)

1.77

(1.63; 1.98)

Direct Factor

2.11

(1.87; 2.49)

2.00

(1.71; 2.68)

Indirect Factor

0.89

(0.78; 1.01)*

0.88

(0.71; 1.00)*

"Compromised" Subpopulation

Relative Risk

5.19

(4.29; 6.16)

5.12

(4.37; 6.08)

Direct Factor

0.18

(0.01; 0.69)

0.43

(0.11; 1.55)*

Indirect Factor

29.38

(13.83; 91.15)

11.80

(4.31; 33.46)

Total Birth Cohort

Relative Risk

3.10

(2.83; 3.41)

3.09

(2.89; 3.37)


#: mortalities are calculated by the method of direct standardization using European American births as the reference (standard) population

LCI = lower 95% confidence interval; UCI = upper 95% confidence interval

*: relative risk or factor is not significantly different from 1 based on the bias-adjusted 95% CI

Gage et al. BMC Pregnancy and Childbirth 2010 10:86   doi:10.1186/1471-2393-10-86

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