Figure 2.

Estimated power curves for the SF-36 General Health dimension using general population data (females aged 16–45), based on α = 0.05 (two-sided) with 10,000 bootstrap replications SF-36 General Health Dimension (General Population Females aged 16–45); n= 487; mean = 74.8; sd = 19.6; 14.2% scoring 95 or more.