Table 2 OCD-CA parent form and self-report form: Cronbach’s alphas (α) and item-total correlations, CLIN, {OCDS}, (COS)

Contamination & Washing (9 items)

.91

{.91}

.55–.83

{.49-.83}

.94

{.93}

(.85)

.62–.89

{.54–.87}

(.47–.69)

.89

{.88}

(.78)

.55–.71

{.54–.72}

(.31–.60)

Catastrophes & Injuries (11 items)

.88

{.88}

.42–.76

{.35-.76}

.87

{.85}

(.84)

.25–.74

{.16–.73}

(.28–.73)

.87

{.87}

(.82)

.43–.71

{.41–73}

(.36–.64)

Checking (7 items)

.80

{.83}

.33–.67

{40-.69}

.82

{.81}

(.80)

.43-.68

{.37–.68}

(.31–.64)

.78

{.79}

(.74)

.41–.62

{.40–.64}

(.34–.55)

Ordering & Repeating (5 items)

.78

{.74}

.49–.67

{.33-.63}

.84

{.80}

(.77)

.60–.75

{.53–.69}

(.48–.63)

.74

{.70}

(.55)

.49–.54

{.43–.53}

(.11–.49)

OCD Total (36 items)

.92

{.90}

.18–.69

{.18-.71}

.93

{.88}

(.93)

.18-.67

{.08-.54}

(.23–.66)

.93

{.92}

(.91)

.35–.68

{.29–.66}

(.14–.61)