Table 4

Age adjusted proportions of people with chronic conditions, odds ratios and relative index of inequality according to sex, occupation, education and income. Basque Health Surveys, 1986 and 1992

Chronic conditionsMenWomen
19861992Relative change 1992/1986 (95% CI)19861992Relative change 1992/1986 (95% CI)
%4-150OR (95% CI)%OR (95% CI)%OR (95% CI)%OR (95% CI)
Total18.121.224.827.4
Occupation
Class I (high)15.5122.11122.6121.411
Class II17.51.10 (0.82, 1.49)18.10.80 (0.59, 1.09)0.73 (0.47, 1.12)22.91.06 (0.82, 1.38)24.41.25 (0.92, 1.68)1.20 (0.81, 1.77)
Class III17.51.16 (0.88, 1.56)23.21.16 (0.88, 1.53)1.00 (0.67, 1.49)24.01.16 (0.90, 1.49)26.21.40 (1.06, 1.85)1.21 (0.84, 1.76)
Class IV21.31.48 (1.14, 1.95)23.31.17 (0.93, 1.48)0.79 (0.55, 1.12)27.41.46 (1.15, 1.85)28.01.61 (1.27, 2.05)1.10 (0.79, 1.53)
Class V (low)19.01.29 (0.97, 1.73)24.41.27 (0.99, 1.63)0.98 (0.67, 1.43)28.71.60 (1.25, 2.06)29.61.81 (1.42, 2.33)1.16 (0.82, 1.65)
p value 0.09740.7760
Relative index of inequality1.38 (1.13, 1.67)1.44 (1.13, 1.82)1.10 (0.81, 1.49)1.76 (1.48, 2.09)1.81 (1.44, 2.27)1.07 (0.81, 1.42)
Education
Higher16.9111.91123.2113.711
Secondary19.21.26 (0.97, 1.65)16.71.25 (0.94, 1.67)1.06 (0.72, 1.56)26.11.41 (1.03, 1.94)13.01.31 (1.00, 1.78)0.95 (0.61, 1.46)
Basic22.41.57 (1.27, 1.97)34.81.99 (1.56, 2.56)1.24 (0.89, 1.72)30.62.14 (1.64, 2.83)39.71.86 (1.44, 2.42)0.90 (0.62, 1.30)
p value0.26900.4912
Relative index of inequality1.89 (1.42, 2.52)3.01 (2.16, 4.22)1.44 (0.94, 2.20)2.94 (2.14, 4.05)2.58 (1.79, 3.72)0.92 (0.59, 1.45)
Income
4th quartile (high)14.9114.21122.1114.911
3rd quartile18.61.25 (1.04, 1.50)18.11.21 (0.95, 1.55)0.97 (0.72, 1.32)25.31.22 (1.04, 1.45)17.21.37 (1.07, 1.75)1.12 (0.83, 1.51)
2nd quartile19.21.45 (1.21, 1.74)26.71.35 (1.10, 1.66)0.92 (0.70, 1.22)25.41.33 (1.13, 1.58)24.91.50 (1.21, 1.85)1.15 (0.88, 1.50)
1st quartile (low)19.11.18 (0.93, 1.49)41.21.49 (1.14, 1.93)1.22 (0.86, 1.74)25.71.36 (1.11, 1.66)50.31.54 (1.20, 1.98)1.18 (0.86, 1.63)
p value0.41790.0440
Relative index of inequality1.40 (1.10, 1.76)1.64 (1.22, 2.21)1.13 (0.78, 1.66)1.44 (1.16, 1.78)1.69 (1.27, 2.25)1.23 (0.86, 1.75)
  • 4-150 Age adjusted proportions, using the direct method and the Basque population in 1991 as the reference. Odds ratio adjusted by age using logistic regression models. p Value for statistical significance of interaction between socioeconomic indicator and survey year.