Table 3 Crude and adjusted OR of knowledge of modifiable risk factors for heart diseases among subjects with first heart attack in a tertiary care hospital Karachi Pakistan. (n = 720)
Variable | Crude OR | 95% CI | aOR* | 95% CI |
|---|---|---|---|---|
Age | Â | Â | Â | Â |
   Older > 45 yrs | 1.00 |  | not significant | |
   Younger ≤45 | 1.41 | (0.95, 2.09) |  |  |
Sex | Â | Â | Â | Â |
   Female | 1.00 |  | not significant | |
   Male | 2.81 | (1.59, 4.96) |  |  |
Ethnicity | Â | Â | Â | Â |
   Muhajir (Urdu) | 1.00 |  | 1.00 |  |
   Sindhi | 2.12 | (1.81, 3.82) | 3.03 | (1.54, 5.95) |
   Punjabi | 2.19 | (1.12, 4.30) | 1.90 | (0.86, 4.19) |
   Pushtoo | 0.57 | (0.17, 1.91) | 1.09 | (0.29, 4.11) |
   Others | 1.47 | (0.79, 2.73) | 1.33 | (0.64, 2.77) |
Years of school education | Â | Â | Â | Â |
   Illiterate | 1.00 |  | 1.00 |  |
   < 5 years | 0.85 | (0.45,1.58) | 0.66 | (0.33, 1.31) |
   6–10 years | 1.73 | (1.08, 2.79) | 1.17 | (0.67, 2.03) |
   > 10 years | 3.24 | (2.14, 5.85) | 2.50 | (1.30, 4.83) |
Exercise | Â | Â | Â | Â |
   No | 1.00 |  | 1.00 |  |
   Yes | 4.12 | (1.98, 8.53) | 2.76 | (1.21, 6.28) |
Type of family | Â | Â | Â | Â |
   Extended | 1.00 |  | 1.00 |  |
   Nuclear | 3.14 | (2.16, 4.58) | 2.54 | (1.65, 3.89) |
Tobacco use | Â | Â | Â | Â |
   Current user | 1.00 |  | 1.00 |  |
   Ex user | 0.46 | (0.10, 2.26) | 0.45 | (0.08, 2.42) |
   Never used | 2.28 | (1.11, 4.69) | 2.53 | (1.15, 5.56) |
Income | Â | Â | Â | Â |
   > 8000 | 1.00 |  |  |  |
   5001–8000 | 0.69 | (0.40, 1.21) | not significant | |
   3001–5000 | 0.39 | (0.23, 0.66) |  |  |
   ≤ 3000 | 0.35 | (0.20, 0.63) |  |  |
   Didn't reveal | 0.41 | (0.17, 1.03) |  |  |
Hypertension | Â | Â | Â | Â |
   No | 1.00 |  | not significant | |
   Yes | 0.81 | (0.56, 1.17) |  |  |