Int. J. Environ. Res. Public Health 2012, 9 948 Table 1. Cont. Very good Good Poor p value Very Good Poor p value (Kendall’s tau b) 1 (Kendall’s tau b) 1 good Health status <0.0005 ** Moderate (%) 138 200 40 (0.275 **) (36.5) (52.9) (10.6) Healthy 328 365 59 High (%) 148 244 35 (43.6) (48.5) (7.8) (34.7) (57.1) (8.2) One disease 114 228 83 Religiosity 0.016 * (26.8) (53.6) (19.5) categories (0.039) Co-morbidity 47 197 95 Low (%) 99 114 48 (13.9) (58.1) (28) (37.9) (43.7) (18.4) BMI categories 0.125 Moderate (%) 353 588 166 (0.044 †) (31.9) (53.1) (15) Normal (%) 192 263 81 High (%) 36 87 23 (35.8) (49.1) (15.1) (24.7 (59.6) (15.8) Overweight (%) 187 324 78 (31.7) (55) (13.2) Obese (%) 101 185 59 (17) (29.3) (53.6) 1 Kendall’s tau b coefficient is a statistic used to measure the association between two quantities. In this paradigm positive values signify worse SRH as we vertically advance to independent variables' categories and vice versa for the negative values; ** Level of significance <0.001; * Level of significance <0.05; † Level of significance <0.1.