Table 1 Comparison of demographic characteristics and number of comorbidities between the case and control group
Variable | Case group (n = 217) | Control group (n = 217) | P value* |
|---|---|---|---|
Age (year) | 58.2 ± 16.1 | 58.4 ± 15.9 | 0.4 |
Gender | |||
• Female | 147 (67.7) | 138 (63.6) | 0.12 |
• Male | 70 (32.3) | 79 (36.4) | |
Marriage status | |||
• Married | 151 (69.6) | 161 (74.2) | 0.11 |
• Single | 19 (8.7) | 14 (6.4) | |
• Divorced | 9 (4.1) | 10 (4.7) | |
• Widowed | 38 (17.6) | 32 (14.7) | |
Educational status | |||
• Illiterate | 19 (8.7) | 13 (6) | 0.09 |
• Under diploma | 44 (20.3) | 50 (23) | |
• Diploma | 57 (26.3) | 63 (29) | |
• College education | 97 (44.7) | 91 (42) | |
Smoking history | |||
• Positive | 89 (41) | 77 (35.5) | 0.061 |
• Negative | 128 (59) | 140 (64.5) | |
BMI (kg/m2)** | 24.1 ± 3.1 | 23.8 ± 3.8 | 0.081 |
Number of comorbidities | |||
• 0 | 59 (27.2) | 61 (28.2) | 0.21 |
• 1 | 98 (45.1) | 101 (46.5) | |
• 2 | 46 (21.2) | 43 (19.8) | |
• > 2 | 14 (6.5) | 12 (5.5) | |