Table 3.

Socioeconomic inequalities in the utilisation of various types and levels of healthcare

	Type of care	Level of care	SPR (95% CI)*		Rate difference	Rate ratio	RII (95% CI), adjusted for age, sex	RII (95% CI), adjusted for age, sex, self-assessed health
			Two lowest groups	Two highest groups
Education	Outpatient	Primary	14.68 (14.18 to 15.20)	14.38 (13.74 to 15.05)	−0.30	0.98	0.99 (0.98 to 1.01)	1.13 (1.01 to 1.26)
		Secondary	1.64 (1.47 to 1.82)	2.88 (2.59 to 3.19)	1.24	1.76	7.89 (6.33 to 9.85)	10.35 (8.11 to 13.22)
		Total	15.62 (15.09 to 16.15)	17.51 (16.80 to 18.25)	1.89	1.12	1.35 (1.24 to 1.46)	1.59 (1.44 to 1.77)
	Inpatient	Overall	3.74 (3.48 to 4.01)	6.31 (5.88 to 6.76)	2.57	1.69	2.38 (1.97 to 2.76)	2.78 (2.32 to 3.32)
Income	Outpatient	Primary	12.88 (12.35 to 13.42)	16.25 (15.62 to 16.89)	3.37	1.26	1.50 (1.39 to 1.62)	1.68 (1.52 to 1.85)
		Secondary	1.36 (1.20 to 1.54)	4.69 (4.35 to 5.04)	3.33	3.45	6.61 (5.29 to 8.25)	7.43 (5.88 to 9.39)
		Total	13.61 (13.08 to 14.16)	19.18 (18.50 to 19.88)	5.57	1.41	1.80 (1.67 to 1.94)	2.15 (1.96 to 2.36)
	Inpatient	Overall	3.36 (3.10 to 3.63)	6.30 (5.91 to 6.71)	2.94	1.88	2.94 (2.52 to 3.43)	3.11 (2.63 to 3.66)

*Prevalence rate per 100 persons, age and sex standardised to the total population.

SPR, standardised prevalence rate; RII, relative index of inequality.