Levene's Test for Equality of Variances t-test for Equality of Means
        95% Confidence Interval of the Difference
    F Sig. t df Sig. (2-tailed) Mean Difference Std. Error Difference Lower Upper
Age Equal variances assumed 2.362 .126 -5.298- 183 .000 -9.040- 1.706 -12.406- -5.673-
Equal variances not assumed     -5.275- 176.520 .000 -9.040- 1.714 -12.422- -5.658-
Sex Equal variances assumed 9.813 .002 -1.774- 183 .078 -.127- .071 -.267- .014
Equal variances not assumed     -1.769- 179.572 .079 -.127- .072 -.268- .015
Smoker Equal variances assumed 8.640 .004 -1.618- 183 .107 -.115- .071 -.256- .025
Equal variances not assumed     -1.614- 179.694 .108 -.115- .071 -.256- .026
Sport Equal variances assumed 3.197 .075 .886 183 .377 .037 .041 -.045- .119
Equal variances not assumed     .892 180.415 .373 .037 .041 -.045- .118
Hypertension Equal variances assumed 62.161 .000 -6.119- 183 .000 -.395- .065 -.523- -.268-
Equal variances not assumed     -6.054- 162.820 .000 -.395- .065 -.524- -.266-
D.M Equal variances assumed 212.670 .000 -6.302- 183 .000 -.365- .058 -.480- -.251-
Equal variances not assumed     -6.166- 130.632 .000 -.365- .059 -.482- -.248-
Table 2: Distribution of Levene’s and t-tests for testing equality of variance and means between studied groups with reference to age, sex, smoking, hypertension and diabetes mellitus variables.