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Table 2 Uncertain model parameters and their properties

From: Cost-effectiveness of counseling and pedometer use to increase physical activity in the Netherlands: a modeling study

 

Distribution

Mean

95% CI

Reference

Fraction of participating GPs

beta

0.375

0.056–0.789

[11]

Fraction filling in SQUASH

beta

0.83

0.54–0.99

[12]

Costs for scoring SQUASH

2.22 * (1+ 4*beta)

6.66

3.37–9.95

Expert opinion. Minimum one minute (digital scoring) to maximum five minutes (manual scoring, multiple sports)

Fraction accepting pedometer, and fraction completing follow-up sessions

beta

0.50

0.13–0.87

 

Additional steps per day

normal

2491

1098–3885

[4]

Fraction of the effect sustained in the long term

beta

0.25

0.08–0.47

[18]

Incidence, prevalence, and mortality rates of each disease

Poisson and binomial

  

[20]