Table 2 Distribution of 155 case and 310 control characteristics across categories of Dietary Inflammatory Index (DII)
Variables | Mean ± SD or N (%) | P value | |||||
|---|---|---|---|---|---|---|---|
Quartile1 (<−1.49) | Quartile2 (−1.49 ≤ to < 0.11) | Quartile3 (0.11 ≤ to < 1.65) | Quartile4 (1.65≤) | ||||
Age (year) a | Case | 38.85 ± 13.72 | 37.57 ± 11.66 | 39.92 ± 13.81 | 39.72 ± 10.57 | 0.857 | |
Control | 39.92 ± 12.67 | 39.75 ± 12.04 | 38.11 ± 12.26 | 38.87 ± 11.61 | 0.771 | ||
Body mass index (BMI, kg/m2) a | Case | 24.51 ± 2.62 | 24.52 ± 3.39 | 25.66 ± 3.83 | 25.69 ± 4.19 | 0.330 | |
Control | 24.38 ± 3.68 | 25.09 ± 3.57 | 25.52 ± 3.45 | 25.58 ± 2.90 | 0.107 | ||
Waist circumference (WC,cm) a | Case | 89.85 ± 12.01 | 92.75 ± 11.90 | 94.47 ± 11.68 | 96.60 ± 12.47 | 0.106 | |
Control | 90.05 ± 12.22 | 92.80 ± 11.83 | 92.89 ± 11.20 | 94.55 ± 9.64 | 0.109 | ||
Total energy (Kcal) a | Case | 1896.10 ± 360.78 | 2098.27 ± 298.56 | 2275.73 ± 349.66 | 2420.80 ± 322.16 | 0.000 | |
Control | 2221.55 ± 424.37 | 2261.26 ± 401 ± 19 | 2400.40 ± 415.39 | 2464.10 ± 487.91 | 0.002 | ||
Physical activity (MET) a | Case | 782.48 ± 1232.04 | 710.92 ± 887.50 | 842.56 ± 1482.24 | 1676.19 ± 2099.93 | 0.015 | |
Control | 1060.17 ± 1729.62 | 1194.27 ± 1335.09 | 1236.95 ± 1314.58 | 2028.97 ± 3288.18 | 0.022 | ||
Marital status b | Single | Control | 23 (30.7%) | 19 (25.3%) | 17 (22.7%) | 16 (21.3%) | 0.849 |
Married | Control | 67 (28.5%) | 67 (28.5%) | 59 (25.1%) | 42 (17.95) | ||
Single | Case | 11 (25.6%) | 14 (32.6%) | 8 (18.6%) | 10 (23.3%) | 0.003 | |
Married | Case | 16 (14.3%) | 14 (12.5%) | 34 (30.4%) | 48 (42.9%) | ||
Occupation b | Freelance | Control | 48 (28.7%) | 45 (26.9%) | 38 (22.8%) | 36 (21.6%) | 0.787 |
Employee | Control | 20 (32.8%) | 17 (27.9%) | 13 (21.3%) | 11 (18.0%) | ||
Unemployed | Control | 5 (38.5%) | 4 (30.8%) | 3 (23.1%) | 1 (7.7%) | ||
Housewife | Control | 17 (24.6%) | 20 (29.0%) | 22 (31.9%) | 10 (14.5%) | ||
Freelance | Case | 10 (16.9%) | 9 (15.3%) | 12 (20.3%) | 28 (47.5%) | 0.388 | |
Employee | Case | 7 (14.6%) | 9 (18.8%) | 13 (27.1%) | 19 (39.6%) | ||
Unemployed | Case | 1 (20.0%) | 2 (40.0%) | 2 (40.0%) | 0 (0.0%) | ||
Housewife | Case | 9 (20.9%) | 8 (18.6%) | 15 (34.9%) | 11 (25.6%) | ||
Smoking b | Yes | Control | 3 (15.8%) | 5 (26.3%) | 4 (21.1%) | 7 (36.8%) | 0.180 |
No | Control | 87 (29.9%) | 81 (27.8%) | 72 (24.7%) | 51 (17.5%) | ||
Yes | Case | 1 (6.7%) | 3 (20.0%) | 5 (33.3%) | 6 (40.0%) | 0.704 | |
No | Case | 26 (18.6%) | 25 (17.9%) | 37 (26.4%) | 52 (37.1%) | ||
Passive smoking b | Yes | Control | 73 (27.4%) | 78 (29.3%) | 67 (25.2%) | 48 (18.0%) | 0.250 |
No | Control | 17 (38.6%) | 8 (18.2%) | 9 (20.5%) | 10 (22.7%) | ||
Yes | Case | 22 (18.3%) | 20 (16.7%) | 30 (25/0%) | 48 (40.0%) | 0.451 | |
No | Case | 5 (14.3%) | 8 (22.9%) | 12 (34.3%) | 10 (28.6%) | ||