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. Author manuscript; available in PMC: 2010 May 12.
Published in final edited form as: Ann Hum Biol. 2009 May–Jun;36(3):248–260. doi: 10.1080/03014460902832942

Table III.

Zero-inflated Poisson regressions predicting depressive affect at LTI-Y


Model 1 (n=319)
Model 2 (n=319)
AIC 4.06 AIC 3.92
Wald Chi2 37.23 Wald Chi2 88.43
p < .0001 p < .0001
Max. likelihood r2 .21 Max. likelihood r2 .32
RR (95% CI) p RR (95% CI) p
Ethnicity .93 (.84, 1.04) .21 .88 (.8, .97) .009
Age 1.0 (.84, 1.18) .97 1.06 (.92, 1.23) .41
Sex .91 (.78, 1.06) .23 .86 (.75, .99) .04
Prior MFQ 1.23 (1.1, 1.38) <.0001 1.26 (1.15, 1.39) < .0001
Life events 1.15 (1.01, 1.33) .04 1.11 (.97, 1.27) .12
LTI-Y barriers -- -- 1.21 (1.01, 1.46) .04
LTI-Y milestones -- -- .81 (.73, .92) .001