Table 1.
Basic characteristics of case (n = 153) and control (n = 147) groups.
| MDD group (N = 153) | Control group (N = 147) | p‐Value† | |||
| Characteristics | Mean±SD | Mean±SD | |||
| Age (years) | 31.21±10.41 | 32.00±8.21 | NS* | ||
| Body mass index (kg/m2) | 22.06±3.23 | 21.50±3.01 | NS | ||
| Cholesterol (mg/dl) | 158.03±27.69 | 136.59±28.59 | 0.06 | ||
| Low‐density lipoprotein (mg/dl) | 92.96±20.74 | 79.59±21.31 | 0.01 | ||
| High‐density lipoprotein (mg/dl) | 35.96±7.39 | 44.65±8.26 | 0.03 | ||
| Apolipoprotein A (mg/dl) | 130.78±24.44 | 151.09±34.20 | ≤0.001 | ||
| Apolipoprotein B (mg/dl) | 91.78±26.54 | 85.71±25.82 | 0.05 | ||
| Hamilton Depression Rating Scale | 20.8±10.07 | 3.96±1.73 | ≤0.001 | ||
| N | % | N | % | p‐Value‡ | |
| Sex | NS | ||||
| Men | 90 | 58.8 | 69 | 46.9 | |
| Women | 63 | 41.2 | 78 | 53.1 | |
| Occupation | NS | ||||
| Unemployed | 54 | 35.3 | 51 | 34.7 | |
| Home worker | 33 | 21.6 | 39 | 26.5 | |
| Salary employed | 42 | 27.5 | 42 | 28.6 | |
| Self‐employed | 24 | 15.7 | 15 | 10.2 | |
| Marital status | NS | ||||
| Married | 87 | 56.9 | 90 | 61.2 | |
| Unmarried(single, widow, divorced) | 66 | 43.1 | 57 | 38.8 | |
| Educational level | NS | ||||
| 0‐5 years | 54 | 35.3 | 51 | 34.7 | |
| 6‐12 years | 45 | 29.4 | 39 | 26.5 | |
| >12 years | 54 | 35.3 | 57 | 38.8 | |
| Positive family history | 0.04 | ||||
| Yes | 30 | 19.6 | 6 | 4.1 | |
| No | 123 | ||||
| Smoking | 0.02 | ||||
| Yes | 60 | 39.3 | 24 | 16.3 | |
| No | 93 | 60.7 | 123 | 83.7 | |
*
NS, not significant.
†
p‐Values were based on t‐test.
‡
p‐Values were based on χ2 test.