International Journal for Equity in Health

Table 4 Descriptive statistical analysis and comparison of variables in 2005 and 2008

From: Medical insurance policy organized by Chinese government and the health inequity of the elderly: longitudinal comparison based on effect of New Cooperative Medical Scheme on health of rural elderly in 22 provinces and cities

		B11	B12	B121	B23	B24	B26	D11b	G9	G11
Mean value	2005	2.40	2.60	3.35	3.99	3.87	2.44	2.93	1.42	1.47
Mean value	2008	2.40	2.58	3.32	3.97	3.87	3.11	3.03	1.46	1.50
Plural	2005	2	2	3	4	5	1	1	1	1
Plural	2008	2	2	3	5	5	3	5	1	1
Minimum	2005	1	1	1	1	1	1	1	1	1
Minimum	2008	1	1	1	1	1	1	1	1	1
Maximum	2005	5	5	5	5	5	5	5	3	3
Maximum	2008	5	5	5	5	5	5	5	3	3
Skewness	2005	0.404	0.260	−0.136	−0.614	−0.666	0.364	0.096	1.253	1.160
Skewness	2008	0.370	0.204	−0.126	−0.714	−0.608	0.037	-0.076	1.136	1.056
Standard error of skewness	2005	0.027	0.027	0.028	0.028	0.028	0.028	0.026	0.026	0.026
Standard error of skewness	2008	0.026	0.026	0.027	0.027	0.027	0.027	0.025	0.025	0.025
Kurtosis	2005	0.211	−0.405	0.433	−0.100	−0.107	−0.900	−1.804	0.360	0.001
Kurtosis	2008	0.200	−0.491	0.456	−0.067	−0.364	−0.792	−1.842	0.082	0.082
Standard error of kurtosis	2005	0.055	0.055	0.055	0.056	0.056	0.056	0.053	0.053	0.053
Standard error of kurtosis	2008	0.053	0.053	0.053	0.054	0.054	0.054	0.049	0.049	−0.249

Note: b11: Self-rated quality of life;b12: Self-rated health; b121: do you feel any change of your health since last year; b23: Feel fearful or anxious; b24: Feel lonely and isolated; b26: Feel useless with age; d11b: Do you do any outdoor activities at present?; g9: Able to stand up from sitting in a chair?; g11: Able to pick up a book from the floor?

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