Table 1

Comparison of characteristics between cases and controls

VariableTotalCasesControlsp Value
Values are n (%) or mean (SD). Comparison of variables between cases and controls was done using the t test for continuous variables and the χ2 test for discrete variables.
*Overweight defined as BMI >25 kg/m2.
†Obesity defined as BMI ⩾30 kg/m2.
‡Raised blood glucose defined as fasting blood glucose ⩾6.1 mmol/l (110 mg/dl).
§Raised blood cholesterol defined as total cholesterol ⩾5.18 mmol/l (200 mg/dl).
¶Meat consumption is defined as intake of beef and mutton or not.
**Parental consanguinity is defined as first cousin marriage between parents of subjects.
††2.8% and 2.3% of subjects did not know about paternal and maternal history of cardiovascular disease, respectively.
‡‡US $1 = 60 Pakistan rupees (Rs)
§§Exercise was defined as jogging, swimming, bicycling, or exercising in the gymnasium most days of the week during the past six months.
BMI, body mass index; BP, blood pressure; CVD, cardiovascular disease.
Number of patients386193193
Male326 (84.5%)163 (84.5%)163 (84.5%)0.99
Age (years)39.0 (4.9)39.3 (5.1)38.7 (4.7)0.29
Weight (kg)69.3 (12.7)68.9 (12.5)69.8 (12.9)0.51
Body mass index (kg/m2)24.9 (4.7)24.9 (4.4)24.8 (5.0)0.97
*Overweight178 (46.1%)97 (50.3%)81 (41.9%)0.10
†Obese39 (10.1%)21 (10.9%)18 (19.3%)0.61
Waist-hip ratio0.93 (0.1)0.93 (0.1)0.93 (0.1)0.97
Systolic BP (mm Hg)120.1 (17.1)118.5 (18.1)122.6 (15.9)0.02
Diastolic BP (mm Hg)78.3 (17.2)78.1 (22.0)78.6 (10.5)0.77
Fasting blood glucose (mmol/l)7.2 (4.2)8.1 (5.2)6.6 (3.2)0.001
‡Raised blood glucose122 (31.6%)75 (38.9%)47 (24.4%)0.001
Serum cholesterol (mmol/l)4.8 (1.9)5.1 (1.3)4.5 (1.0)<0.001
§Raised blood cholesterol112 (30.2%)75 (38.9%)37 (19.2%)0.001
Illicit drug use14 (3.7%)8 (4.2%)6 (3.2%)0.60
Ghee in cooking146 (37.8%)105 (54.4%)41 (21.2%)0.001
¶Beef or mutton eaters320 (82.9%)165 (85.5%)155 (80.3%)0.18
**Parental consanguinity102 (26.4%)66 (34.2%)36 (18.6%)0.001
††Paternal history of CVD80 (21.2%)48 (24.9%)32 (16.6%)0.05
††Maternal history of CVD83 (22.1%)44 (22.8%)39 (20.2%)0.47
History of hypertension61 (15.8%)27 (14.0%)34 (17.7%)0.21
History of diabetes37 (9.6%)13 (6.7%)24 (12. %5)0.06
‡‡Monthly income ⩽Rs 5000239 (61.9%)142 (73.6%)97 (50.3%)0.001
Level of education0.001
    None71 (18.4%)61 (31.6%)10 (5.1%)
    School198 (51.3%)96 (49.8%)104 (52.9%)
    College117 (30.3%)36 (18.7%)84 (42.4%)
§§Exercise67 (17.4%)41 (21.2%)26 (13.5%)0.05
Married (%)341 (88.5)170 (88.1)171 (89.1)0.85