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. 2012 Nov 30;28(5):828–842. doi: 10.1093/her/cys114

Table II.

Goodness-of-fit of confirmatory factor analytic models of sun protection self-efficacy and perceived barriers items

Model χ2 df a P CFI TLI RMSEA WRMR
Self-efficacy
    One-factor 286.37 22 0.0000 0.802 0.847 0.242 1.979
    Four-factor 35.79 21 0.0231 0.989 0.991 0.059 0.617
    Second-order 43.14 22 0.0045 0.984 0.988 0.068 0.697
    Bifactor 48.55 20 0.0004 0.979 0.982 0.083 0.663
Perceived barriers
    One-factor 307.99 44 0.0000 0.716 0.800 0.171 1.658
    Four-factor 111.58 48 0.0000 0.932 0.956 0.080 0.895
    Second-order 107.35 46 0.0000 0.934 0.956 0.081 0.926
    Bifactor 88.02 42 0.0000 0.950 0.963 0.073 0.787

aIn WLSMV estimation, the df of the model are not estimated from the specification of the model but instead are estimated from the data; thus, the df are sample dependent [28, 29].