Table 1

Reliability of Bull-M
Item Internal consistency1 Reproducibility 4
rs2 α3 Test Retest
1 .10 .79 1.9 ± 0.09 1.9 ± 0.09
2 .48 .72 0.7 ± 0.06 0.8 ± 0.06
3 .40 .73 0.5 ± 0.05 0.9 ± 0.05*
4 .53 .71 0.8 ± 0.06 0.9 ± 0.06
5 .47 .72 0.7 ± 0.06 0.9 ± 0.06*
6 .44 .72 0.9 ± 0.06 1.0 ± 0.06
7 .49 .72 0.4 ± 0.05 0.6 ± 0.05*
8 .52 .71 0.8 ± 0.06 0.9 ± 0.06
9 .55 .71 0.7 ± 0.06 0.9 ± 0.06*
10 .34 .74 1.2 ± 0.08 1.1 ± 0.06

1 Cronbach’s α for total test = 0.75; 2Item-total correlation; 3 Adjusted Cronbach’s α if item is deleted; 4mean ± EE; *statistical differences between test (p < 0.05).

Ramos-Jimenez et al.

Ramos-Jimenez et al. BMC Public Health 2013 13:334   doi:10.1186/1471-2458-13-334

Open Data