Table 4

Community data: factor extraction decision¥
Components Eigen value Total variance (%) Extraction criteria Decision to extract
PA random eigen value (SD) Kaiser Scree test
Felt stigma
1 5.79 24.10 1.42 (.04) Yes Yes Yes Yes
2 2.81 11.7 1.35 (.03) Yes Yes Yes Yes
3 1.75 7.3 1.30 (.02) Yes Yes Yes Yes
4 1.50 6.3 1.26 (.02) Yes Yes No Yes
Enacted stigma
1 7.84 34.1 1.4075 (.04) Yes Yes Yes Yes
2 1.97 8.6 1.3411 (.04) Yes Yes Yes Yes
3 1.27 5.5 1.2915 (.02) No Yes No No
4 1.20 5.2 1.2473 (.02) No Yes No No

¥ The non rotated factor analysis provided the best fit to the data; Kaiser-Meyer-Olkin sampling adequacy equals 0.85 and 0.90 for perceived and enacted stigmas respectively; All anti-image matrices measures of sampling adequacy (MSA) were near or greater than 0.90 for both scales; Bartlett’s test of sphericity, p < 0.000 for both scales; ‘Yes’, indicates criteria is fulfilled, ‘No’ indicates otherwise. Kaiser recommends extracting factors with eigen value of ≥1; Scree (Cattel’s) test recommends extracting factors above the elbow of the scree plot. PA: parallel analysis.

Franklin et al.

Franklin et al. BMC Public Health 2013 13:298   doi:10.1186/1471-2458-13-298

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