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Table 2 Item-internal consistency reliability coefficients and scaling failures (indicated by one or more stars).

From: The use of the SF-36 questionnaire in adult survivors of childhood cancer: evaluation of data quality, score reliability, and scaling assumptions

  PF RP BP GH EV SF RE MH
all survivors 0.69–0.88 0.75–0.82 0.81 0.61–0.81 0.71–0.74 0.67 0.70–0.76 0.52–0.73*
Cancer diagnosis         
leukaemia 0.64–0.84 0.74–0.80 0.82 0.63–0.80 0.69–0.71 0.59** 0.67–0.74 0.47–0.72
Hodgkin's disease 0.62–0.84 0.72–0.83 0.79 0.51–0.78 0.73–0.75 0.74 0.70–0.74 0.58–0.75*
non-Hodgkin's 0.640.84 0.73–0.83 0.81 0.61–0.81 0.75–0.77 0.67 0.69–0.75 0.53–0.73*
CNS 0.70–0.89 0.75–0.82 0.82 0.59–0.81 0.69–0.73 0.67 0.73–0.79 0.48–0.69
neuroblastoma 0.64–0.90 0.79–0.83 0.82 0.58–0.84 0.70–0.74 0.62 0.66–0.75 0.51–0.76
retinoblastoma 0.65–0.89 0.69–0.81 0.79 0.55–0.78 0.70–0.73 0.61 0.67–0.73 0.54–0.76
Wilms' tumour 0.63–0.84 0.72–0.81 0.80 0.61–0.82 0.70–0.75 0.68 0.69–0.77 0.54–0.75*
bone tumour 0.48–0.86 0.75–0.84 0.82 0.49–0.81 0.71–0.76 0.71 0.80–0.85 0.56–0.76
soft tissue sarcoma 0.56–0.86 0.70–0.80 0.80 0.56–0.82 0.73–0.77 0.70 0.68–0.78 0.58–0.80
other 0.62–0.84 0.78–0.84 0.79 0.59–0.82 0.72–0.76 0.69 0.68–0.74 0.54–0.73
Sex         
Males 0.68–0.88 0.73–0.81 0.79 0.57–0.80 0.71–0.74 0.66 0.70–0.75 0.51–0.72
Females 0.68–0.88 0.76–0.83 0.83 0.58–0.82 0.70–0.73 0.67 0.71–0.77 0.51–0.73*
Age         
16–19 0.66–0.88 0.66–0.74 0.77 0.58–0.80 0.66–0.71 0.57** 0.69–0.65 0.48–0.70*
20–29 0.68–0.87 0.73–0.81 0.80 0.59–0.81 0.71–0.75 0.65 0.69–0.76 0.53–0.74*
30–39 0.68–0.87 0.76–0.84 0.83 0.56–0.81 0.72–0.75 0.69 0.72–0.77 0.53–0.74*
40–49 0.71–0.90 0.80–0.85 0.81 0.59–0.83 0.74–0.76 0.73 0.72–0.81 0.55–0.74
50+ 0.62–0.88 0.76–0.87 0.83 0.55–0.81 0.66–0.74 0.69 0.78–0.82 0.49–0.71
Age at diagnosis         
0–3 0.69–0.88 0.74–0.82 0.80 0.58–0.81 0.71–0.72 0.64** 0.69–0.76 0.50–0.72*
4–7 0.68–0.88 0.72–0.80 0.82 0.57–0.80 0.69–0.75 0.63** 0.69–0.75 0.52–0.72
8–11 0.68–0.88 0.76–0.83 0.82 0.58–0.83 0.73–0.75 0.70 0.73–0.77 0.52–0.74
12–16 0.64–0.88 0.78–0.84 0.81 0.56–0.81 0.72–0.75 0.71 0.71–0.78 0.55–0.74
  1. *Scaling failure:item 9d correlated higher with EV than with MH **Scaling failure: item 6 correlated higher with RE than with SF
  2. Age at questionnaire completion
  3. PF: Physical Functioning; RP: Role-Limitation Physical; BP; Bodily Pain; GH: General Health Perception; EV: Energy/Vitality;
  4. SF: Social Functioning; RE: Role-Limitation Emotional: MH: Mental Health