Int. J. Environ. Res. Public Health 2012, 9 947 Table 1. Univariate analyses of sociodemographic, disease-related and lifestyle variables with SRH categories (N = 1,519) (chi-square tests). Very good Good Poor p value (Kendall’s tau b) 1 Good Poor p value (Kendall’s tau b) 1 Sociodemographic variables Gender Male (%) Female (%) Age categories ≤45 (%) 46–65 (%) ≥66 (%) Primary (%) Secondary (%) Tertiary (%) Disease-related variables Education categories 231 (35.4) 258 (29.9) 251 (52.4) 115 (27.9) 123 (19.7) 151 (22.4) 251 (38.3) 84 (51.9) 341 (52.3) 449 (52) 204 (42.6) 234 (56.8) 352 (56.3) 377 (55.9) 329 (50.2) 69 (42.6) 80 (12.3) 157 (18.2) 24 (5) 63 (15.3) 150 (24) 147 (21.8) 75 (11.5) 9 (5.6) 0.003 * (0.079 *) <0.0005 ** (0.291 **) <0.0005 ** (−0.221 **) Lifestyle variables Smoking No (%) Yes (%) Regular exercise No (%) Yes (%) Healthy Diet categories Low (%) Moderate (%) High (%) Quality of Sleep categories Low (%) Very good 356 (29.7) 133 (41.7) 393 (29) 96 (60.4) 231 (27.6) 152 (36.7) 105 (39.8) 202 (28.6) 637 (53.2) 153 (48) 733 (54) 57 (35.8) 473 (56.5) 203 (49) 114 (43.2) 344 (48.7) 204 (17) 33 (10.3) 231 (17) 6 (3.8) 133 (15.9) 59 (14.3) 45 (17) 161 (22.8) <0.0005 ** (−0.109 **) <0.0005 ** (−0.198 **) <0.0005 ** (−0.077 **) <0.0005 ** (−0.12 **)