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Table 4 Inequality decompositions of the Erreygers’s concentration index for women’s knowledge of cervical cancer and utilisation of cervical cancer screening

From: Wealth-related inequalities of women’s knowledge of cervical cancer screening and service utilisation in 18 resource-constrained countries: evidence from a pooled decomposition analysis

Variables 1OR
(95% CI)
Elast. Erreygers’sConc.I RC to the Erreygers’s Conc.I, % (95% CI)
Knowledge of cervical cancer
 Age (years) 1.03** (1.01, 1.05) 0.49 0.71 25.62*** (10.12, 30.59)
 Schooling (years) 1.08* (1.05, 1.11) 0.32 0.36 15.07*** (10.26, 19.57)
 Household head (= male) 0.76*** (0.74, 0.77) − 0.24 0.01 −2.24*** (−3.10, −1.59)
 Household size 0.99 (0.99, 1.00) − 0.01 − 0.25 8.59 (− 2.36, 25.65)
 Currently breastfeeding (= yes) 1.03*** (1.01, 1.05) 0.02 0.11 6.51 (− 0.25, 12.69)
 Currently amenorrhea (= yes) 1.23*** (1.19, 1.27) 0.02 − 0.06 − 1.37*** (− 2.37, − 1.05)
 Currently abstaining (= yes) 0.93** (0.90, 0.96) − 0.01 − 0.03 0.32 (− 0.24, 2.38)
 Marital status (= married) 1.02* (1.00, 1.04) 0.01 − 0.01 − 0.08 (− 1.21, 0.09)
 Currently working status (= yes) 1.39*** (1.37, 1.41) 0.15 0.06 15.21*** (11.23, 59.45)
 Access to health facility (= yes) 1.55*** (1.52, 1.58) 0.33 −0.24 − 10.00** (− 12.65, −4.89)
 Health insurance coverage (= yes) 0.66*** (0.65, 0.67) − 0.08 0.04 −6.94*** (− 9.58, − 4.29)
 Mass media exposure (= no) 0.84*** (0.83, 0.85) −0.15 − 0.26 15.26** (5.16, 23.36)
 Place of residence (= urban) 1.13*** (1.11, 1.15) 0.09 −0.49 −9.76** (− 12.59, −5.69)
 Wealth score 1.26*** (1.25, 1.27) 0.64 0.61 24.00* (3.68, 55.23)
 Total     80.20** (60.55, 89.65)
Utilisation of cervical cancer screening
 Age (years) 1.03** (1.02, 1.05) 0.79 0.51 29.00*** (10.20, 39.51)
 Schooling (years) 0.99* (0.98, 0.99) −0.08 0.36 17.00** (12.59, 51.16)
 Household head (= male) 1.12*** (1.10, 1.15) 0.12 0.01 3.33 (−2.36, 6.23)
 Household size 0.98* (0.97, 0.98) −0.11 −0.25 1.29 (−1.20, 2.31)
 Currently breastfeeding (= yes) 1.16*** (1.14, 1.19) −0.03 − 0.12 9.51*** (2.59, 12.59)
 Currently amenorrhea (= yes) 0.96** (0.93, 0.99) −0.01 − 0.06 0.63 (−2.16, 2.13)
 Currently abstaining (= yes) 0.79*** (0.76, 0.82) −0.01 − 0.03 2.04* (0.59, 4.57)
 Marital status (= married) 2.11*** (2.07, 2.15) 0.09 −0.02 −8.23*** (−12.46, −5.80)
 Currently working status (= no) 0.86*** (0.85, 0.88) − 0.05 0.061 − 14.16*** (−19.23, − 8.47)
 Access to health facility (= no) 0.73*** (0.72, 0.74) −0.18 − 0.24 11.22* (2.36, 19.49)
 Health insurance coverage (= yes) 1.58*** (1.55, 1.61) 0.07 0.04 8.08* (1.26, 9.45)
 Mass media exposure (= no) 0.43*** (0.39, 0.47) −0.70 −0.26 6.72** (1.56, 16.81)
 Place of residence (= urban) 0.91** (0.89, 0.93) 0.09 −0.49 −9.76*** (−15.62, −6.85)
 Wealth score 1.99*** (1.09, 2.11) 0.14 0.62 27.00** (14.56, 45.65)
 Total     83.69*** (75.85, 95.54)
  1. OR odds ratio, CI confidence interval, Elast elasticity, Conc.I concentration index, RC relative contribution, 1ORs were derived using logit regression model, ***P < 0.001, **P < 0.01, *P < 0.05