highly significantp <0.001
Highly significant correlations were observed between the PCS-36 and PCS-12 (r = 0.932, ρ = 0.928, p <0.001 for both, n = 252, Figure 2 ), and between the MCS-36 and MCS-12 (r = 0.953, ρ = 0.951, p <0.001 for both, n = 252, Figure 2 ).