International Journal for Equity in Health

Table 1 Descriptive statistics - proportion with no problems in mobility limitations, ADL limitations, and psychological distress and average number of problems for those reporting any problems

From: Different indicators of socioeconomic status and their relative importance as determinants of health in old age

		Mobility limitations (0–2)¹	ADL limitations (0–10)		Psychological distress (0–4)
	All (n = 2036)	Mean problems²	n ³	Mean problems	n	Mean problems	n
Total	%	0.59	1763	0.53	2027	0.38	1596
Sex		p = 0.005 ⁴		p = 0.325		p < 0.001
Women	41.7	0.69	1000	0.57	1185	0.46	867
Men	58.3	0.48	763	0.48	842	0.27	729
Age at follow-up		p < 0.001		p < 0.001		p = 0.797
69–75	19.7	0.34	360	0.13	399	0.36	346
76–82	56.8	0.58	1018	0.47	1153	0.39	884
83–88	23.5	0.85	385	1.02	475	0.37	366
Education		p < 0.001		p = 0.011		p = 0.105
High	9.4	0.35	182	0.28	191	0.25	159
Medium	36.1	0.51	668	0.48	730	0.40	584
Low	54.6	0.69	913	0.61	1106	0.38	853
Social class		p < 0.001		p = 0.017		p = 0.135
High	24.4	0.44	458	0.62	495	0.32	425
Medium	22.2	0.56	400	0.40	450	0.38	343
Low	53.4	0.67	904	0.59	1078	0.41	826
Occupational complexity		p = 0.001		p = 0.144		p = 0.009
High	11.4	0.39	216	0.46	233	0.25	193
Medium	51.3	0.59	897	0.43	1038	0.34	823
Low	37.2	0.65	650	0.71	756	0.48	580
Income		p < 0.001		p = 0.031		p < 0.001
High	20.0	0.36	354	0.32	405	0.21	324
Medium	40.0	0.60	705	0.52	810	0.41	646
Low	40.0	0.69	704	0.66	812	0.43	646
SEP-index		p < 0.001		p = 0.002		p = 0.017
High	29.9	0.42	558	0.35	606	0.30	503
Medium	36.2	0.61	635	0.49	727	0.41	576
Low	34.0	0.72	569	0.75	690	0.42	515

¹Range of the dependent variable
²The average number of reported problems
³The number of observations differ between dependent variables because of internal non-response
⁴Kruskal-Wallis equality-of-populations rank test

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