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. 2017 Aug 4;4(3):e31. doi: 10.2196/mental.7600

Table 6.

Mixed models (with random intercept) considering attitudes regarding avoidance, dangerousness, workability, helping, and responsibility as the dependent variable (n=48).

Dependent variable and predictors of change over time Model A: unconditional means model Model B: unconditional growth (with time) Model C: time & age & education


Parameter estimate (SE) P value Parameter estimate (SE) P value Parameter estimate (SE) P value
Attitude avoidance

Fixed effects






Intercept (initial status) 10.50 (0.439) <.001 11.44 (0.492) <.001 11.69 (0.773) <.001

Time (rate of change)






Wave = 1

–1.37 (0.390) .001 –1.37 (0.390) .001

Wave = 2

–1.66 (0.422) <.001 –1.66 (0.422) <.001

Age



–0.39 (0.880)

Education



–0.12 (0.881)

Variance components






Level 1: within-person (residual) 4.43 (0.681) <.001 3.60 (0.554) <.001 3.60 (0.555) <.001

Level 2: in intercept 7.63 (1.926) <.001 8.00 (1.932) <.001 7.95 (1.924) <.001

Goodness of fit






Deviance 659.03
641.77
641.55

AICa 665.03
651.77
655.55

BICb 673.70
666.22
675.78
Attitude dangerousness

Fixed effects






Intercept (initial status) 9.72 (0.404) <.001 10.60 (0.440) <.001 11.33 (0.688) <.001

Time (rate of change)






Wave = 1

–1.32 (0.308) <.001 –1.32 (0.308) <.001

Wave = 2

–1.52 (0.333) <.001 –1.51 (0.333) <.001

Age



–0.40 (0.791)

Education



–1.10 (0.792)

Variance components






Level 1: within-person (residual) 2.96 (0.454) <.001 2.24 (0.345) <.001 2.25 (0.345) <.001

Level 2: in intercept 6.76 (1.615) <.001 7.03 (1.614) <.001 6.67 (1.543) <.001

Goodness of fit






Deviance 616.80
593.42
591.23

AIC 622.80
603.42
605.23

BIC 631.47
617.87
625.46
Attitude workability

Fixed effects 10.68 (0.409) <.001 10.83 (0.472) <.001 11.83 (0.707) <.001

Intercept (initial status)






Time (rate of change)






Wave = 1

–0.08 (0.415)
–0.08 (0.415)

Wave = 2

–0.47 (0.451)
–0.46 (0.452)

Age



–1.24 (0.791)

Education



–0.78 (0.792)

Variance components






Level 1: within-person (residual) 4.20 (0.642) <.001 4.13 (0.632) <.001 4.14 (0.635) <.001

Level 2: in intercept 6.50 (1.666) <.001 6.58 (1.676) <.001 5.98 (1.565) <.001

Goodness of fit






Deviance 652.52
651.35
647.93

AIC 658.52
661.35
661.93

BIC 667.21
675.84
682.21
Attitude helping

Fixed effects 8.07 (0.241) <.001 8.17 (0.315) <.001 8.00 (0.452) <.001

Intercept (initial status)






Time (rate of change)






Wave = 1

1.16 (0.587)
–0.51 (0.365)

Wave = 2

0.31 (0.484)
0.31 (0.392)

Age



0.38 (0.479)

Education



–0.04 (0.479)

Variance components






Level 1: within-person (residual) 3.32 (0.507) <.001 3.17 (0.484) <.001 3.16 (0.482) <.001

Level 2: in intercept 1.58 (0.594) .008 1.61 (0.587) .006 1.59 (0.580) .006

Goodness of fit






Deviance 577.25
572.78
572.15

AIC 583.25
582.78
586.15

BIC 591.92
597.24
606.39
Attitude responsibility

Fixed effects






Intercept (initial status) 4.68 (0.248) <.001 5.08 (0.274) <.001 4.99 (0.428) <.001

Time (rate of change)






Wave = 1

–0.62 (0.208) .004 –0.61 (0.208) .004

Wave = 2

–0.69 (0.225) .003 –0.68 (0.225) .003

Age



0.54 (0.489)

Education



–0.37 (0.490)

Variance components






Level 1: within-person (residual) 1.18 (0.181) <.001 1.02 (0.157) <.001 1.02 (0.157) <.001

Level 2: in intercept 2.52 (0.611) <.001 2.58 (0.612) <.001 2.49 (0.591) <.001

Goodness of fit






Deviance 491.42
479.80
478.11

AIC 497.42
489.80
492.11

BIC 506.09
504.25
512.34

aAIC: Akaike information criterion.

bBIC: Bayesian information criterion.