Table 2. Main psychometric characteristics between the parent and child version of the JAMAR. Parent N=100/217 Child N=63/130 Missing values (1st-3rd No missing values No missing values quartiles) Response pattern PF and HRQoL positively skewed PF and HRQoL positively skewed Floor effect, median PF 92.0% 90.5% PhH 60.0% 71.4% HRQoL PsH 66.0% 69.8% Pain VAS 47.0% 36.5% Disease activity VAS 39.0% 36.5% Well-being VAS 48.0% 50.8% Ceiling effect, median PF 0.0% 0.0% HRQoL PhH 4.0% 1.6% HRQoL PsH 0.0% 0.0% Pain VAS 1.0% 0.0% Disease activity VAS 3.0% 1.6% Well-being VAS 0.0% 0.0% Items with equivalent 87% for PF, 90% for HRQoL 73% for PF, 90% for HRQoL item-scale correlation Items with items-scale 87% for PF, 100% for HRQoL 67% for PF, 100% for HRQoL correlation 0.4 ≥ Cronbach’s alpha PF-LL 0.82 0.84 PF-HW 0.74 0.89 PF-US 0.64 0.47 HRQoL-PhH 0.86 0.86 0.85 0.76 Items with item-scale correlation lower than the 93% for PF, 100% for HRQoL 100% for PF, 100% for HRQoL Cronbach alpha Test-retest intraclass correlation PF total score 0.60 - HRQoL- PhH 0.62 - HRQoL- PsH 0.97 -
Table 2. Main psychometric characteristics between the parent and child version of the JAMAR. Parent N=100/217 Child N=63/130 Missing values (1st-3rd quartiles) No missing values No missing values Response pattern PF and HRQoL positively skewed PF and HRQoL positively skewed Floor effect, median PF 92.0% 90.5% PhH 60.0% 71.4% HRQoL PsH 66.0% 69.8% Pain VAS 47.0% 36.5% Disease activity VAS 39.0% 36.5% Well-being VAS 48.0% 50.8% Ceiling effect, median PF 0.0% 0.0% HRQoL PhH 4.0% 1.6% HRQoL PsH 0.0% 0.0% Pain VAS 1.0% 0.0% Disease activity VAS 3.0% 1.6% Well-being VAS 0.0% 0.0% Items with equivalent item-scale correlation 87% for PF, 90% for HRQoL 73% for PF, 90% for HRQoL Items with items-scale correlation ≥ 0.4 87% for PF, 100% for HRQoL 67% for PF, 100% for HRQoL Cronbach’s alpha PF-LL 0.82 0.84 PF-HW 0.74 0.89 PF-US 0.64 0.47 HRQoL-PhH 0.86 0.86 0.85 0.76 Items with item-scale correlation lower than the Cronbach alpha 93% for PF, 100% for HRQoL 100% for PF, 100% for HRQoL Test-retest intraclass correlation PF total score 0.60 - HRQoL- PhH 0.62 - HRQoL- PsH 0.97 -
JAMAR_SLOVENIA_v.7_tbs.docx