Measurement and decomposition of socioeconomic inequality in single and multimorbidity in older adults in China and Ghana: results from the WHO study on global AGEing and adult health (SAGE)

Kunna, Rasha; San Sebastian, Miguel; Stewart Williams, Jennifer

doi:10.1186/s12939-017-0578-y

International Journal for Equity in Health

Table 5 Decomposition of CIs of single and multiple NCD morbidity, adults aged 50+, Ghana (2008–2009), SAGE Wave 1

From: Measurement and decomposition of socioeconomic inequality in single and multimorbidity in older adults in China and Ghana: results from the WHO study on global AGEing and adult health (SAGE)

Determinants	Concentration index (C_K)	Single Morbidity			Multimorbidity
Determinants	Concentration index (C_K)	Elasticity	Contribution to C_K 0.1182	%Contribution	Elasticity	Contribution to C_K 0.1439	%Contribution
Wealth
Q5 richest Base
Q4	0.3633	0.0025	0.0009	0.63	−0.0047	−0.0017	−1.43
Q3	−0.0504	0.0095	−0.0005	−0.33	−0.0021	0.0001	0.09
Q2	−0.4454	−0.0103	0.0046	3.20	−0.0126	0.0056	4.76
Q1 poorest	−0.8183	−0.0368	0.0301	20.95	−0.0067	0.0055	4.62
Total			0.0352	24.45		0.0095	8.04
Sex
Male Base
Female	−0.0680	0.0664	−0.0045	−3.14	0.0267	−0.0018	−1.54
Age
50-59 Base
60-69	−0.0134	0.0363	−0.0005	−0.34	0.0167	−0.0002	−0.19
70-79	−0.0461	0.0329	−0.0015	−1.05	0.0171	−0.0008	−0.67
80+	−0.0783	0.0193	−0.0015	−1.05	0.0025	−0.0002	−0.16
Total			−0.0035	−2.44		−0.0012	−1.02
Residence
Urban Base
Rural	−0.2005	−0.0385	0.0077	5.36	−0.0389	0.0078	6.60
Marital Status
Married/Cohabit Base
Unmarried	−0.1522	−0.0029	0.0004	0.31	−0.0045	0.0007	0.58
Widow/separate	−0.1210	0.0876	−0.0106	−7.37	0.0261	−0.0032	−2.67
Total			−0.0102	−7.06		−0.0025	−2.09
Education level
No school Base
< 6 years	−0.0120	0.0104	−0.0001	−0.09	0.0089	−0.0001	−0.09
Primary	0.1090	−0.0141	−0.0015	−1.07	0.0013	0.0001	0.12
Secondary	0.4413	−0.0042	−0.0019	−1.29	−0.0009	−0.0004	−0.33
High School	0.2554	0.0171	0.0044	3.03	0.0140	0.0036	3.03
University	0.6088	−0.0015	−0.0009	−0.63	0.0022	0.0013	1.14
Total			−0.0001	−0.04		0.0046	3.86
Work Status
Never Worked Base
Currently working	−0.0162	0.2023	−0.0033	−2.28	−0.0285	0.0005	0.39
Currently not working	0.0448	0.1694	0.0076	5.27	0.0005	0.0000	0.02
Total			0.0043	3.00		0.0005	0.41
Body Mass Index
Underweight Base
Normal	−0.0768	0.0755	−0.0058	−4.03	0.0454	−0.0035	−2.95
Overweight	0.2195	0.0812	0.0178	12.39	0.0514	0.0113	9.54
Obese	0.3873	0.0526	0.0204	14.16	0.0292	0.0113	9.57
Total			0.0324	22.51		0.0191	16.16
Physical Activity
High Base
Moderate	0.1012	−0.0096	−0.0010	−0.67	−0.0037	−0.0004	−0.31
Low	0.1698	−0.0167	−0.0028	−1.98	−0.0054	−0.0009	−0.77
Total			−0.0038	−2.65		−0.0013	−1.09
Smoking
Non Smoker Base
Former smoker	0.0677	0.0217	0.0015	1.02	0.0125	0.0008	0.71
Current smoker	−0.0387	0.0022	−0.0001	−0.06	−0.0005	0.0000	0.02
Current daily	−0.3713	−0.0093	0.0035	2.40	−0.0082	0.0030	2.57
Total			0.0048	3.37		0.0039	3.30
Alcohol Drinking
No Base
Yes	−0.0223	−0.0150	0.0003	0.23	0.0052	−0.0001	−0.10
Fruit/Veg Intake
Adequate Base
Inadequate	−0.0309	0.1413	−0.0044	−3.03	−0.0689	0.0021	1.80
Total			0.0584			0.0406
Residual			0.0855			0.0776

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ISSN: 1475-9276

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