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Table 4 Factor loading of Igbo-MSPSS items from exploratory factor analysis using the Kaiser criterion and parallel analysis for determining dimensionality compared with original MSPSS and intercorrelations among the subscales of the Igbo-MSPSS for the three-factor and two factor structures

From: Adaptation and validation of the Nigerian Igbo Multidimensional Scale of Perceived Social Support in patients with chronic low back pain

 

Factor 1 (friends)

Factor 2 (significant other)

Factor 3 (family)

Factor structures of the Igbo-MSPSS

 Igbo-MSPSS

  Igbo-MSPSS6

KC/PA = .84/.65 (MSPSS = .82)

  

  Igbo-MSPSS9

KC/PA = .79/.71 (MSPSS = .86)

  

  Igbo-MSPSS7

KC/PA = .77/.90 (MSPSS = .79)

  

  Igbo-MSPSS12

KC/PA = .74/.78 (MSPSS = .86)

  

  Igbo-MSPSS2

 

KC/PA = .92/.71 (MSPSS = .91)

 

  Igbo-MSPSS1

 

KC/PA = .90/.77 (MSPSS = .74)

 

  Igbo-MSPSS10

 

KC/PA = .75/.69 (MSPSS = .92)

 

  Igbo-MSPSS5

 

KC/PA = .62/.74 (MSPSS = .91)

 

  Igbo-MSPSS8

  

KC/PA = .83/.70 (MSPSS = .84)

  Igbo-MSPSS4

  

KC/PA = .78/.69 (MSPSS = .84)

  Igbo-MSPSS11

  

KC/PA = .74/.87 (MSPSS = .81)

  Igbo-MSPSS3

  

KC/PA = .70/.87 (MSPSS = .83)

 KMO = 0.88 (Kaiser criterion)

 Χ2 = 1415.25*** (Kaiser criterion)

Intercorrelations among Igbo-MSPSS subscales

 Three-factor structure

Factor 1 (friends)

Factor 2 (significant other)

Factor 3 (family)

  Factor 1 (friends)

1.00

0.64

0.63

  Factor 2 (significant other)

 

1.00

0.37

  Factor 3 (family)

  

1.00

 Two-factor structure

Factor 1 (family and significant other)

Factor 2 (friends)

 

  Factor 1 (family and significant other)

1.00

0.38

 

  Factor 2 (friends)

 

1.00

 
  1. KC Kaiser criterion and PA parallel analysis: both used for determining number of factors to be extracted. ***p < 0.001; Factor loadings ≥ 0.30 are presented; KMO Kaiser-Meyer-Olkin and is a measure of adequacy of sampling; χ2 = Bartlett’s sphericity test using chi-square; Principal axis factoring extraction; Promax with Kaiser normalization rotation; 5 iterations for rotation convergence; MSPSS = factor loadings from the original MSPSS study