Table 4 Necessity analysis for depression (n = 551)

Duration of infection

0.64

0.67

0.65

0.63

∼ Duration of infection

0.64

0.66

0.66

0.63

Sense of coherence

0.53

0.55

0.84

0.81

∼Sense of coherence

0.82

0.85

0.53

0.51

Family function

0.59

0.62

0.74

0.73

∼Family function

0.74

0.75

0.62

0.58

Death anxiety

0.71

0.73

0.60

0.58

∼Death anxiety

0.59

0.61

0.72

0.70

Positive coping style

0.58

0.60

0.75

0.72

∼ Positive coping style

0.73

0.76

0.59

0.57

Stigma

0.74

0.73

0.64

0.58

∼Stigma

0.57

0.63

0.70

0.72